From: kruland2607 <kruland2607@180e2498-e6e9-4542-8430-84ac67f01cd8>
Date: Fri, 27 Apr 2012 20:12:54 +0000 (+0000)
Subject: Rebuilt orc files with new parser and orc format.
X-Git-Tag: upstream/12.09^2~310
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=dd24bdbbc7bdf20f9288c76b21bf677a77976e0c;p=debian%2Fopenrocket

Rebuilt orc files with new parser and orc format.

git-svn-id: https://openrocket.svn.sourceforge.net/svnroot/openrocket/trunk@629 180e2498-e6e9-4542-8430-84ac67f01cd8
---

diff --git a/core/resources/datafiles/presets/bluetube.orc b/core/resources/datafiles/presets/bluetube.orc
index 12f0ddde..818fc52b 100644
--- a/core/resources/datafiles/presets/bluetube.orc
+++ b/core/resources/datafiles/presets/bluetube.orc
@@ -2,7 +2,7 @@
 <OpenRocketComponent>
     <Version>0.1</Version>
     <Materials>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Vulcanized Fiber</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
@@ -14,189 +14,177 @@
             <PartNumber>BT20-29A</PartNumber>
             <Description>29mm Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.0289814</InsideDiameter>
-            <OutsideDiameter>0.03213099999999999</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.0289814</InsideDiameter>
+            <OutsideDiameter Unit="m">0.03213099999999999</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-38A</PartNumber>
             <Description>38mm Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.038735</InsideDiameter>
-            <OutsideDiameter>0.0418846</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.038735</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0418846</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-54A</PartNumber>
             <Description>54mm Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.054356</InsideDiameter>
-            <OutsideDiameter>0.05750559999999999</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.054356</InsideDiameter>
+            <OutsideDiameter Unit="m">0.05750559999999999</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-63A</PartNumber>
             <Description>2.56 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.06477</InsideDiameter>
-            <OutsideDiameter>0.0679196</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.06477</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0679196</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-75A</PartNumber>
             <Description>3 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.07619999999999999</InsideDiameter>
-            <OutsideDiameter>0.0793496</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.07619999999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0793496</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-98A</PartNumber>
             <Description>4 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.099314</InsideDiameter>
-            <OutsideDiameter>0.1022096</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.099314</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1022096</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-139A</PartNumber>
             <Description>5.5 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.135763</InsideDiameter>
-            <OutsideDiameter>0.1397762</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.135763</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1397762</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-152A</PartNumber>
             <Description>6 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.15239999999999998</InsideDiameter>
-            <OutsideDiameter>0.156464</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.15239999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.156464</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-191A</PartNumber>
             <Description>7.5 in Blue Tube 2.0 Airframe</Description>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <InsideDiameter>0.19075399999999998</InsideDiameter>
-            <OutsideDiameter>0.194818</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.19075399999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.194818</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-29C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.025831799999999995</InsideDiameter>
-            <OutsideDiameter>0.0289814</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.025831799999999995</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0289814</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-38C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0354076</InsideDiameter>
-            <OutsideDiameter>0.038480999999999994</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.0354076</InsideDiameter>
+            <OutsideDiameter Unit="m">0.038480999999999994</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-54C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0508</InsideDiameter>
-            <OutsideDiameter>0.0539496</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.0508</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0539496</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-63C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0614172</InsideDiameter>
-            <OutsideDiameter>0.0645668</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.0614172</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0645668</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-75C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0729742</InsideDiameter>
-            <OutsideDiameter>0.07612379999999999</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.0729742</InsideDiameter>
+            <OutsideDiameter Unit="m">0.07612379999999999</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-98C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.09560559999999999</InsideDiameter>
-            <OutsideDiameter>0.09875519999999999</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.09560559999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09875519999999999</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-139C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.131826</InsideDiameter>
-            <OutsideDiameter>0.1355852</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <InsideDiameter Unit="m">0.131826</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1355852</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-152C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.14820899999999998</InsideDiameter>
-            <OutsideDiameter>0.1517904</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <InsideDiameter Unit="m">0.14820899999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1517904</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-191C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.18669</InsideDiameter>
-            <OutsideDiameter>0.1900682</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <InsideDiameter Unit="m">0.18669</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1900682</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-139C</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.131826</InsideDiameter>
-            <OutsideDiameter>0.1355852</OutsideDiameter>
-            <Length>0.4064</Length>
+            <InsideDiameter Unit="m">0.131826</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1355852</OutsideDiameter>
+            <Length Unit="m">0.4064</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-152CL</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.14820899999999998</InsideDiameter>
-            <OutsideDiameter>0.1517904</OutsideDiameter>
-            <Length>0.4064</Length>
+            <InsideDiameter Unit="m">0.14820899999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1517904</OutsideDiameter>
+            <Length Unit="m">0.4064</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Always Ready Rocketry</Manufacturer>
             <PartNumber>BT20-191CL</PartNumber>
             <Material Type="BULK">Vulcanized Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.18669</InsideDiameter>
-            <OutsideDiameter>0.1900682</OutsideDiameter>
-            <Length>0.4064</Length>
+            <InsideDiameter Unit="m">0.18669</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1900682</OutsideDiameter>
+            <Length Unit="m">0.4064</Length>
         </TubeCoupler>
     </Components>
 </OpenRocketComponent>
diff --git a/core/resources/datafiles/presets/bms.orc b/core/resources/datafiles/presets/bms.orc
index 4a631982..e0a1b48d 100644
--- a/core/resources/datafiles/presets/bms.orc
+++ b/core/resources/datafiles/presets/bms.orc
@@ -2,22 +2,22 @@
 <OpenRocketComponent>
     <Version>0.1</Version>
     <Materials>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>lite ply</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
@@ -29,1792 +29,1648 @@
             <PartNumber>T2-34</PartNumber>
             <Description>0.246x0.220x.013x34</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.005588</InsideDiameter>
-            <OutsideDiameter>0.0062483999999999994</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.005588</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0062483999999999994</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T2PLUS-34</PartNumber>
             <Description>0.281x0.255x.013x34 (fits over T2)</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.006477</InsideDiameter>
-            <OutsideDiameter>0.0071374</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.006477</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0071374</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T14LL-34</PartNumber>
             <Description>0.316x0.280x.018x34  1/4 inch Launch lug stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.007112</InsideDiameter>
-            <OutsideDiameter>0.0080264</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.007112</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0080264</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T4-34</PartNumber>
             <Description>.448x.432x.013x34 Apogee micro</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0109728</InsideDiameter>
-            <OutsideDiameter>0.011379199999999999</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0109728</InsideDiameter>
+            <OutsideDiameter Unit="m">0.011379199999999999</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T4+34</PartNumber>
             <Description>.478x.452x.013x34 slips over T4</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0114808</InsideDiameter>
-            <OutsideDiameter>0.0121412</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0114808</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0121412</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T5-34</PartNumber>
             <Description>.544x.518x.013x34 Estes mini A</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013157199999999999</InsideDiameter>
-            <OutsideDiameter>0.013817600000000001</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.013157199999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.013817600000000001</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T5-9</PartNumber>
             <Description>.544x.518 x.013 x9  Plain Kraft</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013157199999999999</InsideDiameter>
-            <OutsideDiameter>0.013817600000000001</OutsideDiameter>
-            <Length>0.2286</Length>
+            <InsideDiameter Unit="m">0.013157199999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.013817600000000001</OutsideDiameter>
+            <Length Unit="m">0.2286</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T20Q-34</PartNumber>
             <Description>.787x.748x.039x34 MPC/Quest T20</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0189992</InsideDiameter>
-            <OutsideDiameter>0.0199898</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0189992</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0199898</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T20-34</PartNumber>
             <Description>.736x.710x.013x34 Estes 18mm</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T908-34</PartNumber>
             <Description>.908x.865x.022x34 Centuri ST-8</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.021970999999999997</InsideDiameter>
-            <OutsideDiameter>0.0230632</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.021970999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0230632</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T50-34</PartNumber>
             <Description>.976x.950x.013x34  24mm</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.02413</InsideDiameter>
-            <OutsideDiameter>0.024790399999999997</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.02413</InsideDiameter>
+            <OutsideDiameter Unit="m">0.024790399999999997</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T50H-34</PartNumber>
             <Description>. 990 x.950 x.020 x34  Heavy Wall</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.02413</InsideDiameter>
-            <OutsideDiameter>0.025145999999999998</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.02413</InsideDiameter>
+            <OutsideDiameter Unit="m">0.025145999999999998</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T50MF-34</PartNumber>
             <Description>1.000x0.950x.025x34 metal foil lined</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.02413</InsideDiameter>
-            <OutsideDiameter>0.0254</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.02413</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0254</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>T104-34</PartNumber>
             <Description>1.040x1.00x.020 x 34 Centuri ST-10</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.026416</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.026416</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>BalsaMachining.com</Manufacturer>
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-            <OutsideDiameter>0.0404368</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0325882</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404368</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR5570-F</PartNumber>
             <Description>2.217x1.283x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0325882</InsideDiameter>
-            <OutsideDiameter>0.0563118</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0325882</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0563118</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR5570-W</PartNumber>
             <Description>2.178x1.325x.125thk lite-ply</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.033655</InsideDiameter>
-            <OutsideDiameter>0.055321199999999994</OutsideDiameter>
-            <Length>0.003175</Length>
+            <InsideDiameter Unit="m">0.033655</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055321199999999994</OutsideDiameter>
+            <Length Unit="m">0.003175</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR5580-F</PartNumber>
             <Description>2.558x1.283x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0325882</InsideDiameter>
-            <OutsideDiameter>0.0649732</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0325882</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0649732</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR55101-F</PartNumber>
             <Description>3.896x1.283x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0325882</InsideDiameter>
-            <OutsideDiameter>0.09895839999999999</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0325882</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09895839999999999</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR6070-F</PartNumber>
             <Description>2.217x1.595x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.040513</InsideDiameter>
-            <OutsideDiameter>0.0563118</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.040513</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0563118</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR6070-W</PartNumber>
             <Description>2.175x1.637x.125thk lite-ply</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.041528999999999996</InsideDiameter>
-            <OutsideDiameter>0.055321199999999994</OutsideDiameter>
-            <Length>0.003175</Length>
+            <InsideDiameter Unit="m">0.041528999999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055321199999999994</OutsideDiameter>
+            <Length Unit="m">0.003175</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR6080-F</PartNumber>
             <Description>2.558x1.595x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.040513</InsideDiameter>
-            <OutsideDiameter>0.0649732</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.040513</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0649732</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CR60101-F</PartNumber>
             <Description>3.896x1.595x.05thk fiber</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.040513</InsideDiameter>
-            <OutsideDiameter>0.09895839999999999</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.040513</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09895839999999999</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C5-2</PartNumber>
             <Description>.516x.474x2inch long T5 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0120396</InsideDiameter>
-            <OutsideDiameter>0.0131064</OutsideDiameter>
-            <Length>0.0508</Length>
+            <InsideDiameter Unit="m">0.0120396</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0131064</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C20-3</PartNumber>
             <Description>.708x.666x3 inch long T20 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0169164</InsideDiameter>
-            <OutsideDiameter>0.017983199999999998</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <InsideDiameter Unit="m">0.0169164</InsideDiameter>
+            <OutsideDiameter Unit="m">0.017983199999999998</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C50-1</PartNumber>
             <Description>.948x.88x.034x1in long T50 coupler.</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.022352</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.0254</Length>
+            <InsideDiameter Unit="m">0.022352</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C50-4</PartNumber>
             <Description>.948x.88x.034x4in long T50 coupler.</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.022352</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.022352</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C52H-4</PartNumber>
             <Description>1.137x.977x4 inch T52H coupler  .080thk</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0248158</InsideDiameter>
-            <OutsideDiameter>0.0288798</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.0248158</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0288798</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C55-4</PartNumber>
             <Description>1.280x1.212x4 inch long T55 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.030784799999999998</InsideDiameter>
-            <OutsideDiameter>0.032512</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.030784799999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032512</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C60-4</PartNumber>
             <Description>1.592x1.524x4 inch long T60 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0387096</InsideDiameter>
-            <OutsideDiameter>0.0404368</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.0387096</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404368</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C188-4</PartNumber>
             <Description>1.796x1.728x4 inch long T188 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0438912</InsideDiameter>
-            <OutsideDiameter>0.045618399999999996</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.0438912</InsideDiameter>
+            <OutsideDiameter Unit="m">0.045618399999999996</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C204-4</PartNumber>
             <Description>1.997x1.929x4 inch long T204 coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0489966</InsideDiameter>
-            <OutsideDiameter>0.0507238</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.0489966</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507238</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C70-4</PartNumber>
             <Description>2.172x2.104x4 in long T70 or T70H coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0534416</InsideDiameter>
-            <OutsideDiameter>0.055168800000000004</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.0534416</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055168800000000004</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C80-4</PartNumber>
             <Description>2.554x2.474x4in long T80 or T80H coupler</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.06283960000000001</InsideDiameter>
-            <OutsideDiameter>0.06487159999999999</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.06283960000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.06487159999999999</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C80-6</PartNumber>
             <Description>2.554x2.474x6in T80 or T80H coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.06283960000000001</InsideDiameter>
-            <OutsideDiameter>0.06487159999999999</OutsideDiameter>
-            <Length>0.15239999999999998</Length>
+            <InsideDiameter Unit="m">0.06283960000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.06487159999999999</OutsideDiameter>
+            <Length Unit="m">0.15239999999999998</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C5-34</PartNumber>
             <Description>.516x.474x34inch long T5 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0120396</InsideDiameter>
-            <OutsideDiameter>0.0131064</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0120396</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0131064</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C20-34</PartNumber>
             <Description>.708x.666x34 inch long T20 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0169164</InsideDiameter>
-            <OutsideDiameter>0.017983199999999998</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0169164</InsideDiameter>
+            <OutsideDiameter Unit="m">0.017983199999999998</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C50-34</PartNumber>
             <Description>.948x.88x.034x34 T50 coupler stk.</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.022352</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.022352</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C52H-34</PartNumber>
             <Description>1.137x.977x34inch T52H coupler stock .080thk</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0248158</InsideDiameter>
-            <OutsideDiameter>0.0288798</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0248158</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0288798</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C55-34</PartNumber>
             <Description>1.280x1.212x34 inch long T55 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.030784799999999998</InsideDiameter>
-            <OutsideDiameter>0.032512</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.030784799999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032512</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C60-34</PartNumber>
             <Description>1.592x1.524x34 inch long T60 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0387096</InsideDiameter>
-            <OutsideDiameter>0.0404368</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0387096</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404368</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C188-34</PartNumber>
             <Description>1.796x1.728x34 inch long T188 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0438912</InsideDiameter>
-            <OutsideDiameter>0.045618399999999996</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0438912</InsideDiameter>
+            <OutsideDiameter Unit="m">0.045618399999999996</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C204-34</PartNumber>
             <Description>1.997x1.929x34 inch long T204 coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0489966</InsideDiameter>
-            <OutsideDiameter>0.0507238</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0489966</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507238</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C70-34</PartNumber>
             <Description>2.172x2.104x34in T70 or T70H coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0534416</InsideDiameter>
-            <OutsideDiameter>0.055168800000000004</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.0534416</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055168800000000004</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>C80-34</PartNumber>
             <Description>2.554x2.474x34in T80 or T80H coupler stock</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.06283960000000001</InsideDiameter>
-            <OutsideDiameter>0.06487159999999999</OutsideDiameter>
-            <Length>0.8635999999999999</Length>
+            <InsideDiameter Unit="m">0.06283960000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.06487159999999999</OutsideDiameter>
+            <Length Unit="m">0.8635999999999999</Length>
         </TubeCoupler>
         <EngineBlock>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>EB13-P</PartNumber>
             <Description>.516x.376x.25thk paper (mini eng thrust ring)</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.009550399999999999</InsideDiameter>
-            <OutsideDiameter>0.0131064</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.009550399999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0131064</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>EB18-P</PartNumber>
             <Description>.708x.542x.25thk paper (fits T20 tube)</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013868400000000001</InsideDiameter>
-            <OutsideDiameter>0.017983199999999998</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.013868400000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.017983199999999998</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>EB24-P</PartNumber>
             <Description>.946x.736x.25thk paper (fits T50 tube)</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0186944</InsideDiameter>
-            <OutsideDiameter>0.0240284</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0186944</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240284</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>EB29-P</PartNumber>
             <Description>1.137x.977x.50thk paper (fits T52H)</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0248158</InsideDiameter>
-            <OutsideDiameter>0.0288798</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.0248158</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0288798</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </EngineBlock>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMS20V2C</PartNumber>
             <Description>V2 Nose Cone w/bored hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.018542</OutsideDiameter>
-            <ShoulderDiameter>0.018033999999999998</ShoulderDiameter>
-            <Length>0.05715</Length>
+            <OutsideDiameter Unit="m">0.018542</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018033999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.05715</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMS60V2C</PartNumber>
             <Description>V2 cone with 4 inch deep bored hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.041401999999999994</OutsideDiameter>
-            <ShoulderDiameter>0.040386</ShoulderDiameter>
-            <Length>0.13335</Length>
+            <OutsideDiameter Unit="m">0.041401999999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.040386</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.019049999999999997</ShoulderLength>
+            <Length Unit="m">0.13335</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC20L</PartNumber>
             <Description>Estes CYL-Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.018542</OutsideDiameter>
-            <ShoulderDiameter>0.018033999999999998</ShoulderDiameter>
-            <Length>0.035559999999999994</Length>
+            <OutsideDiameter Unit="m">0.018542</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018033999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.035559999999999994</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC20N</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.018542</OutsideDiameter>
-            <ShoulderDiameter>0.018033999999999998</ShoulderDiameter>
-            <Length>0.06858</Length>
+            <OutsideDiameter Unit="m">0.018542</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018033999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.06858</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC20R</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <OutsideDiameter>0.018542</OutsideDiameter>
-            <ShoulderDiameter>0.018033999999999998</ShoulderDiameter>
-            <Length>0.06985</Length>
+            <OutsideDiameter Unit="m">0.018542</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018033999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.06985</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC20Y</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <OutsideDiameter>0.018542</OutsideDiameter>
-            <ShoulderDiameter>0.018033999999999998</ShoulderDiameter>
-            <Length>0.02667</Length>
+            <OutsideDiameter Unit="m">0.018542</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018033999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.02667</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC30E</PartNumber>
             <Description>Estes-CYL-Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.019303999999999998</OutsideDiameter>
-            <ShoulderDiameter>0.018288</ShoulderDiameter>
-            <Length>0.055625999999999995</Length>
+            <OutsideDiameter Unit="m">0.019303999999999998</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018288</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.055625999999999995</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC30N</PartNumber>
             <Description>BT30 Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.019303999999999998</OutsideDiameter>
-            <ShoulderDiameter>0.018288</ShoulderDiameter>
-            <Length>0.06985</Length>
+            <OutsideDiameter Unit="m">0.019303999999999998</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018288</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.06985</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC55F</PartNumber>
             <Description>V2 nose cone</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.033528</OutsideDiameter>
-            <ShoulderDiameter>0.032512</ShoulderDiameter>
-            <Length>0.10668</Length>
+            <OutsideDiameter Unit="m">0.033528</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.032512</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.017779999999999997</ShoulderLength>
+            <Length Unit="m">0.10668</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC55O61</PartNumber>
             <Description>BT55 6:1 Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.033528</OutsideDiameter>
-            <ShoulderDiameter>0.032512</ShoulderDiameter>
-            <Length>0.15239999999999998</Length>
+            <OutsideDiameter Unit="m">0.033528</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.032512</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.019049999999999997</ShoulderLength>
+            <Length Unit="m">0.15239999999999998</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5AW</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.05715</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.05715</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5AX</PartNumber>
             <Description>Estes-Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.05511799999999999</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.05511799999999999</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5E</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.03505199999999999</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.03505199999999999</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5O51</PartNumber>
             <Description>BT5 5:1 Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.069088</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.01016</ShoulderLength>
+            <Length Unit="m">0.069088</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5S</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.038099999999999995</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BNC5W</PartNumber>
             <Description>Estes Classic</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.013716</OutsideDiameter>
-            <ShoulderDiameter>0.012954</ShoulderDiameter>
-            <Length>0.07111999999999999</Length>
+            <OutsideDiameter Unit="m">0.013716</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.012954</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.07111999999999999</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BOMARC</PartNumber>
             <Description>Estes Citation BOMARC (bored hole)</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.033528</OutsideDiameter>
-            <ShoulderDiameter>0.032512</ShoulderDiameter>
-            <Length>0.10541</Length>
+            <OutsideDiameter Unit="m">0.033528</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.032512</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.02286</ShoulderLength>
+            <Length Unit="m">0.10541</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CENBC107</PartNumber>
             <Description>Centuri Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.026416</OutsideDiameter>
-            <ShoulderDiameter>0.0254</ShoulderDiameter>
-            <Length>0.13335</Length>
+            <OutsideDiameter Unit="m">0.026416</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0254</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.13335</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CENBC79</PartNumber>
             <Description>Centuri Conical</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.020066</OutsideDiameter>
-            <ShoulderDiameter>0.018288</ShoulderDiameter>
-            <Length>0.06604</Length>
+            <OutsideDiameter Unit="m">0.020066</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.018288</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0127</ShoulderLength>
+            <Length Unit="m">0.06604</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CENBC89</PartNumber>
             <Description>Centuri Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.02286</OutsideDiameter>
-            <ShoulderDiameter>0.021589999999999998</ShoulderDiameter>
-            <Length>0.1397</Length>
+            <OutsideDiameter Unit="m">0.02286</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.021589999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.019049999999999997</ShoulderLength>
+            <Length Unit="m">0.1397</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>CENV2NC</PartNumber>
             <Description>Centuri V2 nose cone w/ bored hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.042418</OutsideDiameter>
-            <ShoulderDiameter>0.040386</ShoulderDiameter>
-            <Length>0.1397</Length>
+            <OutsideDiameter Unit="m">0.042418</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.040386</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.019049999999999997</ShoulderLength>
+            <Length Unit="m">0.1397</Length>
         </NoseCone>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMS20V2B</PartNumber>
             <Description>V2 Boat-tail with 10mm bored hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.018542</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.018033999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.013208</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.041148000000000004</Length>
+            <ForeOutsideDiameter Unit="m">0.018542</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.018033999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.013208</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.041148000000000004</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMS50V2B</PartNumber>
             <Description>V2 Boat-tail with bored BT5 hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.024637999999999997</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.02413</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.017272</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.0508</Length>
+            <ForeOutsideDiameter Unit="m">0.024637999999999997</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.02413</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.017272</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.0508</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMS60V2B</PartNumber>
             <Description>V2 Boat-tail with bored BT20 hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040386</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.02667</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.09398</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040386</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.02667</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.09398</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BMSV2BT1</PartNumber>
             <Description>V2 Boat-tail with bored BT50 hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040386</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.028194</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.09398</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040386</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.028194</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.09398</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>BTC55Z</PartNumber>
             <Description>V2 Boat-tail with bored BT20 hole</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.033528</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.032512</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.024637999999999997</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.07619999999999999</Length>
+            <ForeOutsideDiameter Unit="m">0.033528</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.032512</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.024637999999999997</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.07619999999999999</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA2050</PartNumber>
             <Description>Transition   T20 to T50  2 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.018542</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.018033999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.024637999999999997</AftOutsideDiameter>
-            <AftShoulderDiameter>0.018033999999999998</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0508</Length>
+            <ForeOutsideDiameter Unit="m">0.018542</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.018033999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.024637999999999997</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.018033999999999998</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0508</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA2050A</PartNumber>
             <Description>Transition   T20 to T50  1 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.018542</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.018033999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.024637999999999997</AftOutsideDiameter>
-            <AftShoulderDiameter>0.02413</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.0254</Length>
+            <ForeOutsideDiameter Unit="m">0.018542</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.018033999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.024637999999999997</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.02413</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.0254</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA2055</PartNumber>
             <Description>Transition   T20 to T55  1.5 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.018542</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.018033999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.032512</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.018542</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.018033999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.032512</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA2060</PartNumber>
             <Description>Transition   T20 to T80  0.84 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.018542</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.018033999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.06604</AftOutsideDiameter>
-            <AftShoulderDiameter>0.06477</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.021335999999999997</Length>
+            <ForeOutsideDiameter Unit="m">0.018542</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.018033999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.06604</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.06477</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.021335999999999997</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA5055</PartNumber>
             <Description>Transition   T50 to T55  1 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.024637999999999997</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.02413</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.032512</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.0254</Length>
+            <ForeOutsideDiameter Unit="m">0.024637999999999997</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.02413</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.032512</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.0254</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA5055L</PartNumber>
             <Description>Transiition  T50 to T55   1.5 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.024637999999999997</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.02413</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.032512</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.024637999999999997</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.02413</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.032512</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA5060</PartNumber>
             <Description>Transition   T50 to T60  2 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.024637999999999997</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.02413</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040386</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.0508</Length>
+            <ForeOutsideDiameter Unit="m">0.024637999999999997</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.02413</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040386</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.0508</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA520</PartNumber>
             <Description>Transition   T5 to T20  0.78 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.013716</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.012954</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.018542</AftOutsideDiameter>
-            <AftShoulderDiameter>0.018033999999999998</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.019812</Length>
+            <ForeOutsideDiameter Unit="m">0.013716</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.012954</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.018542</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.018033999999999998</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.019812</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA550</PartNumber>
             <Description>Transition   T5 to T50  1 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.013716</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.012954</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.024637999999999997</AftOutsideDiameter>
-            <AftShoulderDiameter>0.02413</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0254</Length>
+            <ForeOutsideDiameter Unit="m">0.013716</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.012954</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.024637999999999997</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.02413</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0254</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA555</PartNumber>
             <Description>Transiition   T5 to T55  2.75 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.013716</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.012954</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.032512</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.06985</Length>
+            <ForeOutsideDiameter Unit="m">0.013716</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.012954</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.032512</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.06985</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA5560</PartNumber>
             <Description>Transition   T55 to T60  1 long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.032512</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0254</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040386</AftShoulderDiameter>
-            <AftShoulderLength>0.0254</AftShoulderLength>
-            <Length>0.0254</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.032512</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0254</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040386</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0254</AftShoulderLength>
+            <Length Unit="m">0.0254</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA5560A</PartNumber>
             <Description>Transition    T55 to T60  1.3 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.032512</ForeShoulderDiameter>
-            <ForeShoulderLength>0.019049999999999997</ForeShoulderLength>
-            <AftOutsideDiameter>0.041401999999999994</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040386</AftShoulderDiameter>
-            <AftShoulderLength>0.019049999999999997</AftShoulderLength>
-            <Length>0.03302</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.032512</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.019049999999999997</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.041401999999999994</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040386</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.019049999999999997</AftShoulderLength>
+            <Length Unit="m">0.03302</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA6070</PartNumber>
             <Description>Transition   T60 to T70  1.75 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040386</ForeShoulderDiameter>
-            <ForeShoulderLength>0.015239999999999998</ForeShoulderLength>
-            <AftOutsideDiameter>0.056133999999999996</AftOutsideDiameter>
-            <AftShoulderDiameter>0.05511799999999999</AftShoulderDiameter>
-            <AftShoulderLength>0.015239999999999998</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040386</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.015239999999999998</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.056133999999999996</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.05511799999999999</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.015239999999999998</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA6080</PartNumber>
             <Description>Transition   T60 to T80   2.25 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.041401999999999994</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040386</ForeShoulderDiameter>
-            <ForeShoulderLength>0.03175</ForeShoulderLength>
-            <AftOutsideDiameter>0.06604</AftOutsideDiameter>
-            <AftShoulderDiameter>0.06477</AftShoulderDiameter>
-            <AftShoulderLength>0.038099999999999995</AftShoulderLength>
-            <Length>0.05715</Length>
+            <ForeOutsideDiameter Unit="m">0.041401999999999994</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040386</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.03175</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.06604</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.06477</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.038099999999999995</AftShoulderLength>
+            <Length Unit="m">0.05715</Length>
         </Transition>
         <Transition>
             <Manufacturer>BalsaMachining.com</Manufacturer>
             <PartNumber>TA7080</PartNumber>
             <Description>Transition T70 to T80 2 in long</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.056133999999999996</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.05511799999999999</ForeShoulderDiameter>
-            <ForeShoulderLength>0.035559999999999994</ForeShoulderLength>
-            <AftOutsideDiameter>0.06604</AftOutsideDiameter>
-            <AftShoulderDiameter>0.06477</AftShoulderDiameter>
-            <AftShoulderLength>0.035559999999999994</AftShoulderLength>
-            <Length>0.0508</Length>
+            <ForeOutsideDiameter Unit="m">0.056133999999999996</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.05511799999999999</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.035559999999999994</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.06604</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.06477</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.035559999999999994</AftShoulderLength>
+            <Length Unit="m">0.0508</Length>
         </Transition>
     </Components>
 </OpenRocketComponent>
diff --git a/core/resources/datafiles/presets/publicmissiles.orc b/core/resources/datafiles/presets/publicmissiles.orc
index 17eed2fe..855b6977 100644
--- a/core/resources/datafiles/presets/publicmissiles.orc
+++ b/core/resources/datafiles/presets/publicmissiles.orc
@@ -2,7 +2,7 @@
 <OpenRocketComponent>
     <Version>0.1</Version>
     <Materials>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Pine (White Northern)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
@@ -12,42 +12,42 @@
             <Density>0.0038</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Fir (White)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Fir (Douglas)</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Brass</Name>
             <Density>8553.8594556</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Sycamore</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Birch</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Oak (White)</Name>
             <Density>752.8677798000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Iron (wrought)</Name>
             <Density>7768.954749</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Rocketwood</Name>
             <Density>529.089846102</Density>
             <Type>BULK</Type>
@@ -62,7 +62,7 @@
             <Density>0.00205</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Polystyrene PS</Name>
             <Density>1049.2093527000002</Density>
             <Type>BULK</Type>
@@ -72,17 +72,17 @@
             <Density>0.00183</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Mylar</Name>
             <Density>1309.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Nylon</Name>
             <Density>1140.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
@@ -92,7 +92,7 @@
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Maple (Hard)</Name>
             <Density>632.7293043000001</Density>
             <Type>BULK</Type>
@@ -107,37 +107,37 @@
             <Density>3.3E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Spruce</Name>
             <Density>448.51697520000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Lead (cast)</Name>
             <Density>11341.072087200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m²">
+        <Material UnitsOfMeasure="g/m2">
             <Name>G10 (PML 0.093)</Name>
             <Density>5.022553313268</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Iron (cast</Name>
             <Density>7208.308530000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Acrylic (Cast)</Name>
             <Density>1185.3662916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Copper (cast)</Name>
             <Density>8682.0071628</Density>
             <Type>BULK</Type>
@@ -147,12 +147,12 @@
             <Density>6.590000000000001E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Silver</Name>
             <Density>10460.056600200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Urethane</Name>
             <Density>847.0563445920002</Density>
             <Type>BULK</Type>
@@ -162,42 +162,42 @@
             <Density>1.78E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Leather</Name>
             <Density>945.0893406000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Polyethylene LDPE</Name>
             <Density>924.2653381800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Pine (White Western)</Name>
             <Density>432.4985118000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Cottonwood</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Beech</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Chalk (Fine)</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Lexan</Name>
             <Density>1218.0</Density>
             <Type>BULK</Type>
@@ -207,102 +207,102 @@
             <Density>0.0024200000000000003</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Fiberglass</Name>
             <Density>128.147704</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Gold (24 kt.)</Name>
             <Density>19286.229933600003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Poplar (Yellow)</Name>
             <Density>480.55390200000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m²">
+        <Material UnitsOfMeasure="g/m2">
             <Name>G10 (PML 0.062)</Name>
             <Density>3.137448001464</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>G10 fiberglass</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Basswood</Name>
             <Density>424.48928010000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Oak (Brown)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Kraft phenolic</Name>
             <Density>958.7050344900001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Copper (rolled)</Name>
             <Density>8906.2656504</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Epoxy</Name>
             <Density>1254.2456842200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Ash</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Oak (Red)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Aircraft plywood (Birch)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>PVC</Name>
             <Density>1300.6992280800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Cardboard</Name>
             <Density>688.7939262000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m²">
+        <Material UnitsOfMeasure="g/m2">
             <Name>G10 (PML 0.125)</Name>
             <Density>6.169435565904</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>G10 phenolic</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Cork (Solid)</Name>
             <Density>240.27695100000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m²">
+        <Material UnitsOfMeasure="g/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Lead (rolled)</Name>
             <Density>11389.127477400001</Density>
             <Type>BULK</Type>
@@ -314,198 +314,198 @@
             <PartNumber>PML PT-1.145</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.029082999999999998</InsideDiameter>
-            <OutsideDiameter>0.03223259999999999</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.029082999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.03223259999999999</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-1.525</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.038735</InsideDiameter>
-            <OutsideDiameter>0.0418846</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.038735</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0418846</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-2.152</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.0546608</InsideDiameter>
-            <OutsideDiameter>0.05781039999999999</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.0546608</InsideDiameter>
+            <OutsideDiameter Unit="m">0.05781039999999999</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-2.560</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.065024</InsideDiameter>
-            <OutsideDiameter>0.0681736</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.065024</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0681736</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-3.002</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.0762508</InsideDiameter>
-            <OutsideDiameter>0.0794004</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.0762508</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0794004</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-3.900</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.09906</InsideDiameter>
-            <OutsideDiameter>0.1022096</OutsideDiameter>
-            <Length>0.9144</Length>
+            <InsideDiameter Unit="m">0.09906</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1022096</OutsideDiameter>
+            <Length Unit="m">0.9144</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-6.007</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.15257779999999999</InsideDiameter>
-            <OutsideDiameter>0.156337</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.15257779999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.156337</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-7.512</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.19080479999999997</InsideDiameter>
-            <OutsideDiameter>0.19486879999999998</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.19080479999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.19486879999999998</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PT-11.41</PartNumber>
             <Description>Airframe tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.289814</InsideDiameter>
-            <OutsideDiameter>0.296164</OutsideDiameter>
-            <Length>1.2191999999999998</Length>
+            <InsideDiameter Unit="m">0.289814</InsideDiameter>
+            <OutsideDiameter Unit="m">0.296164</OutsideDiameter>
+            <Length Unit="m">1.2191999999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 1.5</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.035585399999999996</InsideDiameter>
-            <OutsideDiameter>0.038735</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <InsideDiameter Unit="m">0.035585399999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.038735</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 2.1</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.0515112</InsideDiameter>
-            <OutsideDiameter>0.0546608</OutsideDiameter>
-            <Length>0.0508</Length>
+            <InsideDiameter Unit="m">0.0515112</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0546608</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 2.5</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.061874399999999996</InsideDiameter>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.0508</Length>
+            <InsideDiameter Unit="m">0.061874399999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 3.0</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.0731012</InsideDiameter>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.0508</Length>
+            <InsideDiameter Unit="m">0.0731012</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 3.9</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.09591039999999999</InsideDiameter>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.0635</Length>
+            <InsideDiameter Unit="m">0.09591039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.0635</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 6.0</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.1488186</InsideDiameter>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.1488186</InsideDiameter>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PIS 7.5</PartNumber>
             <Description>Piston</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.1867408</InsideDiameter>
-            <OutsideDiameter>0.19080479999999997</OutsideDiameter>
-            <Length>0.1016</Length>
+            <InsideDiameter Unit="m">0.1867408</InsideDiameter>
+            <OutsideDiameter Unit="m">0.19080479999999997</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML KS-2.152</PartNumber>
             <Description>KS2000 54mm</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.0546608</InsideDiameter>
-            <OutsideDiameter>0.05781039999999999</OutsideDiameter>
-            <Length>0.36829999999999996</Length>
+            <InsideDiameter Unit="m">0.0546608</InsideDiameter>
+            <OutsideDiameter Unit="m">0.05781039999999999</OutsideDiameter>
+            <Length Unit="m">0.36829999999999996</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML KS-1.525</PartNumber>
             <Description>KS2000 38mm</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.038735</InsideDiameter>
-            <OutsideDiameter>0.0418846</OutsideDiameter>
-            <Length>0.36829999999999996</Length>
+            <InsideDiameter Unit="m">0.038735</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0418846</OutsideDiameter>
+            <Length Unit="m">0.36829999999999996</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML KS-1.145</PartNumber>
             <Description>KS2000 29mm</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.029082999999999998</InsideDiameter>
-            <OutsideDiameter>0.03223259999999999</OutsideDiameter>
-            <Length>0.36829999999999996</Length>
+            <InsideDiameter Unit="m">0.029082999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.03223259999999999</OutsideDiameter>
+            <Length Unit="m">0.36829999999999996</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML 29/38ADPTR</PartNumber>
             <Description>29&gt;38mm Adapter</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.029082999999999998</InsideDiameter>
-            <OutsideDiameter>0.038607999999999996</OutsideDiameter>
-            <Length>0.2032</Length>
+            <InsideDiameter Unit="m">0.029082999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.038607999999999996</OutsideDiameter>
+            <Length Unit="m">0.2032</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML 54/38 ADPTR</PartNumber>
             <Description>54&gt;38mm Adapter</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.038735</InsideDiameter>
-            <OutsideDiameter>0.05461</OutsideDiameter>
-            <Length>0.2286</Length>
+            <InsideDiameter Unit="m">0.038735</InsideDiameter>
+            <OutsideDiameter Unit="m">0.05461</OutsideDiameter>
+            <Length Unit="m">0.2286</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML 54/29 ADPTR</PartNumber>
             <Description>54&gt;29mm Adapter</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <InsideDiameter>0.029082999999999998</InsideDiameter>
-            <OutsideDiameter>0.05461</OutsideDiameter>
-            <Length>0.2286</Length>
+            <InsideDiameter Unit="m">0.029082999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.05461</OutsideDiameter>
+            <Length Unit="m">0.2286</Length>
         </BodyTube>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -513,8 +513,8 @@
             <Description>Fits PT-1.145</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.029082999999999998</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.029082999999999998</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -522,8 +522,8 @@
             <Description>Fits PT-1.525</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.038735</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.038735</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -531,8 +531,8 @@
             <Description>Fits PT-2.152</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0546608</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.0546608</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -540,8 +540,8 @@
             <Description>Fits PT-2.560</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -549,8 +549,8 @@
             <Description>Fits PT-3.002</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -558,8 +558,8 @@
             <Description>Fits PT-3.900</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -567,8 +567,8 @@
             <Description>Fits PT-6.007</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -576,8 +576,8 @@
             <Description>Fits PT-7.512</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.19080479999999997</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.19080479999999997</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -585,8 +585,8 @@
             <Description>Fits PT-11.41</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.289814</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.289814</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -594,8 +594,8 @@
             <Description>Fits CT-1.52</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.036829999999999995</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.036829999999999995</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -603,8 +603,8 @@
             <Description>Fits CT-2.15</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0530352</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.0530352</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -612,8 +612,8 @@
             <Description>Fits CT-2.56</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0634492</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.0634492</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -621,8 +621,8 @@
             <Description>Fits CT-3.00</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0746252</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.0746252</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -630,8 +630,8 @@
             <Description>Fits CT-3.90</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.097282</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <OutsideDiameter Unit="m">0.097282</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -639,8 +639,8 @@
             <Description>Fits CT-6.00</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.1505204</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.1505204</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -648,8 +648,8 @@
             <Description>Fits CT-7.51</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.18872199999999997</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.18872199999999997</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>Public Missiles</Manufacturer>
@@ -657,619 +657,631 @@
             <Description>Fits CT-11.4</Description>
             <Material Type="BULK">Birch</Material>
             <Filled>true</Filled>
-            <OutsideDiameter>0.286512</OutsideDiameter>
-            <Length>0.0127</Length>
+            <OutsideDiameter Unit="m">0.286512</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </BulkHead>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-00</PartNumber>
             <Description>1.5&gt;29mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.03223259999999999</InsideDiameter>
-            <OutsideDiameter>0.038735</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.03223259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.038735</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-01</PartNumber>
             <Description>2.1&gt;29mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.03223259999999999</InsideDiameter>
-            <OutsideDiameter>0.0546608</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.03223259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0546608</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-02</PartNumber>
             <Description>2.1&gt;38mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.0546608</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0546608</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-06</PartNumber>
             <Description>2.5&gt;29mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.03223259999999999</InsideDiameter>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.03223259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-07</PartNumber>
             <Description>2.5&gt;38mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-08</PartNumber>
             <Description>2.5&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-09</PartNumber>
             <Description>3.0&gt;29mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.03223259999999999</InsideDiameter>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.03223259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-10</PartNumber>
             <Description>3.0&gt;38mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-11</PartNumber>
             <Description>3.0&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-12</PartNumber>
             <Description>3.9&gt;29mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.03223259999999999</InsideDiameter>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.03223259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-13</PartNumber>
             <Description>3.9&gt;38mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-14</PartNumber>
             <Description>3.9&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-16</PartNumber>
             <Description>6.0&gt;38mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-17</PartNumber>
             <Description>6.0&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-18</PartNumber>
             <Description>6.0&gt;98mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.1022096</InsideDiameter>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.1022096</InsideDiameter>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-20</PartNumber>
             <Description>7.5&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.19080479999999997</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.19080479999999997</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-21</PartNumber>
             <Description>7.5&gt;98mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.1022096</InsideDiameter>
-            <OutsideDiameter>0.19080479999999997</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.1022096</InsideDiameter>
+            <OutsideDiameter Unit="m">0.19080479999999997</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-90</PartNumber>
             <Description>11.4&gt;54mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.05781039999999999</InsideDiameter>
-            <OutsideDiameter>0.289814</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.05781039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.289814</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-91</PartNumber>
             <Description>11.4&gt;98mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.1022096</InsideDiameter>
-            <OutsideDiameter>0.289814</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.1022096</InsideDiameter>
+            <OutsideDiameter Unit="m">0.289814</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>Eclipse B</PartNumber>
             <Description>Custom 38mm MMT rings</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0418846</InsideDiameter>
-            <OutsideDiameter>0.09855199999999999</OutsideDiameter>
-            <Length>0.004762499999999999</Length>
+            <InsideDiameter Unit="m">0.0418846</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09855199999999999</OutsideDiameter>
+            <Length Unit="m">0.004762499999999999</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CR-92</PartNumber>
             <Description>11.4&gt;76mm</Description>
             <Material Type="BULK">Aircraft plywood (Birch)</Material>
-            <InsideDiameter>0.0794004</InsideDiameter>
-            <OutsideDiameter>0.289306</OutsideDiameter>
-            <Length>0.0127</Length>
+            <InsideDiameter Unit="m">0.0794004</InsideDiameter>
+            <OutsideDiameter Unit="m">0.289306</OutsideDiameter>
+            <Length Unit="m">0.0127</Length>
         </CenteringRing>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-1.52</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.008504856929999999</Mass>
-            <InsideDiameter>0.035585399999999996</InsideDiameter>
-            <OutsideDiameter>0.038735</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <Mass Unit="kg">0.008504856929999999</Mass>
+            <InsideDiameter Unit="m">0.035585399999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.038735</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-2.15</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.019844666169999997</Mass>
-            <InsideDiameter>0.0515112</InsideDiameter>
-            <OutsideDiameter>0.0546608</OutsideDiameter>
-            <Length>0.1016</Length>
+            <Mass Unit="kg">0.019844666169999997</Mass>
+            <InsideDiameter Unit="m">0.0515112</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0546608</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-2.56</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.031184475410000002</Mass>
-            <InsideDiameter>0.061874399999999996</InsideDiameter>
-            <OutsideDiameter>0.065024</OutsideDiameter>
-            <Length>0.127</Length>
+            <Mass Unit="kg">0.031184475410000002</Mass>
+            <InsideDiameter Unit="m">0.061874399999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.065024</OutsideDiameter>
+            <Length Unit="m">0.127</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-3.00</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.03685438003</Mass>
-            <InsideDiameter>0.0731012</InsideDiameter>
-            <OutsideDiameter>0.0762508</OutsideDiameter>
-            <Length>0.127</Length>
+            <Mass Unit="kg">0.03685438003</Mass>
+            <InsideDiameter Unit="m">0.0731012</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0762508</OutsideDiameter>
+            <Length Unit="m">0.127</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-3.90</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.07370876006</Mass>
-            <InsideDiameter>0.09591039999999999</InsideDiameter>
-            <OutsideDiameter>0.09906</OutsideDiameter>
-            <Length>0.17779999999999999</Length>
+            <Mass Unit="kg">0.07370876006</Mass>
+            <InsideDiameter Unit="m">0.09591039999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.09906</OutsideDiameter>
+            <Length Unit="m">0.17779999999999999</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-6.00</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.15308742474</Mass>
-            <InsideDiameter>0.1488186</InsideDiameter>
-            <OutsideDiameter>0.15257779999999999</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <Mass Unit="kg">0.15308742474</Mass>
+            <InsideDiameter Unit="m">0.1488186</InsideDiameter>
+            <OutsideDiameter Unit="m">0.15257779999999999</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-7.51</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.43658265574</Mass>
-            <InsideDiameter>0.1867408</InsideDiameter>
-            <OutsideDiameter>0.19080479999999997</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <Mass Unit="kg">0.43658265574</Mass>
+            <InsideDiameter Unit="m">0.1867408</InsideDiameter>
+            <OutsideDiameter Unit="m">0.19080479999999997</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML CT-11.4</PartNumber>
             <Description>Coupler tube</Description>
             <Material Type="BULK">Kraft phenolic</Material>
-            <Mass>0.85899054993</Mass>
-            <InsideDiameter>0.283464</InsideDiameter>
-            <OutsideDiameter>0.289814</OutsideDiameter>
-            <Length>0.4064</Length>
+            <Mass Unit="kg">0.85899054993</Mass>
+            <InsideDiameter Unit="m">0.283464</InsideDiameter>
+            <OutsideDiameter Unit="m">0.289814</OutsideDiameter>
+            <Length Unit="m">0.4064</Length>
         </TubeCoupler>
         <EngineBlock>
             <Manufacturer>Apogee</Manufacturer>
             <PartNumber>EB-50</PartNumber>
             <Description>Eng. block BT-50</Description>
             <Material Type="BULK">Paper</Material>
-            <InsideDiameter>0.018796</InsideDiameter>
-            <OutsideDiameter>0.02413</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.018796</InsideDiameter>
+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>Estes</Manufacturer>
             <PartNumber>30162-2</PartNumber>
             <Description>Eng. block BT-20</Description>
             <Material Type="BULK">Paper</Material>
-            <InsideDiameter>0.016530000000000003</InsideDiameter>
-            <OutsideDiameter>0.018033999999999998</OutsideDiameter>
-            <Length>0.0050</Length>
+            <InsideDiameter Unit="m">0.016530000000000003</InsideDiameter>
+            <OutsideDiameter Unit="m">0.018033999999999998</OutsideDiameter>
+            <Length Unit="m">0.0050</Length>
         </EngineBlock>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML UNC-1.145</PartNumber>
             <Description>Urethane nose cone</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.0566990462</Mass>
+            <Mass Unit="kg">0.0566990462</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <OutsideDiameter>0.032258</OutsideDiameter>
-            <ShoulderDiameter>0.029082999999999998</ShoulderDiameter>
-            <Length>0.15239999999999998</Length>
+            <OutsideDiameter Unit="m">0.032258</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.029082999999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.038099999999999995</ShoulderLength>
+            <Length Unit="m">0.15239999999999998</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML UNC-1.525</PartNumber>
             <Description>Urethane nose cone</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.1133980924</Mass>
+            <Mass Unit="kg">0.1133980924</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <OutsideDiameter>0.04064</OutsideDiameter>
-            <ShoulderDiameter>0.037465</ShoulderDiameter>
-            <Length>0.2032</Length>
+            <OutsideDiameter Unit="m">0.04064</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.037465</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.038099999999999995</ShoulderLength>
+            <Length Unit="m">0.2032</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML UNC-OG-1.5</PartNumber>
             <Description>Stratus nose cone</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.0</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.0418846</OutsideDiameter>
-            <ShoulderDiameter>0.038227</ShoulderDiameter>
-            <Length>0.111125</Length>
+            <OutsideDiameter Unit="m">0.0418846</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.038227</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.022224999999999998</ShoulderLength>
+            <Length Unit="m">0.111125</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PNC-2.15</PartNumber>
             <Description>Plastic nose cone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.09922333085</Mass>
+            <Mass Unit="kg">0.09922333085</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.05841999999999999</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.2413</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.05841999999999999</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.044449999999999996</ShoulderLength>
+            <Length Unit="m">0.2413</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PNC-2.56</PartNumber>
             <Description>Plastic nose cone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.15308742474</Mass>
+            <Mass Unit="kg">0.15308742474</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06858</OutsideDiameter>
-            <ShoulderDiameter>0.065405</ShoulderDiameter>
-            <Length>0.28575</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.06858</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.065405</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0508</ShoulderLength>
+            <Length Unit="m">0.28575</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PNC-3.00</PartNumber>
             <Description>Plastic nose cone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.15875732935999998</Mass>
+            <Mass Unit="kg">0.15875732935999998</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.07874</OutsideDiameter>
-            <ShoulderDiameter>0.075565</ShoulderDiameter>
-            <Length>0.33654999999999996</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.07874</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.075565</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0635</ShoulderLength>
+            <Length Unit="m">0.33654999999999996</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML PNC-3.90</PartNumber>
             <Description>Plastic nose cone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.283495231</Mass>
+            <Mass Unit="kg">0.283495231</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.1016</OutsideDiameter>
-            <ShoulderDiameter>0.098425</ShoulderDiameter>
-            <Length>0.42545</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.1016</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.098425</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.07619999999999999</ShoulderLength>
+            <Length Unit="m">0.42545</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML FNC-6.00</PartNumber>
             <Description>Fiberglass nose cone</Description>
             <Material Type="BULK">Fiberglass</Material>
-            <Mass>0.7937866468</Mass>
+            <Mass Unit="kg">0.7937866468</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.15494</OutsideDiameter>
-            <ShoulderDiameter>0.15176499999999998</ShoulderDiameter>
-            <Length>0.6095999999999999</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.15494</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.15176499999999998</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.1397</ShoulderLength>
+            <Length Unit="m">0.6095999999999999</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML FNC-7.51</PartNumber>
             <Description>Fiberglass nose cone</Description>
             <Material Type="BULK">Fiberglass</Material>
-            <Mass>1.2473790164</Mass>
+            <Mass Unit="kg">1.2473790164</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.19558</OutsideDiameter>
-            <ShoulderDiameter>0.192405</ShoulderDiameter>
-            <Length>0.7365999999999999</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.19558</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.192405</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.15239999999999998</ShoulderLength>
+            <Length Unit="m">0.7365999999999999</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML FNC-11.41</PartNumber>
             <Description>Fiberglass nose cone</Description>
             <Material Type="BULK">Fiberglass</Material>
-            <Mass>2.267961848</Mass>
+            <Mass Unit="kg">2.267961848</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.29717999999999994</OutsideDiameter>
-            <ShoulderDiameter>0.29400499999999996</ShoulderDiameter>
-            <Length>1.0668</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.29717999999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.29400499999999996</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.15239999999999998</ShoulderLength>
+            <Length Unit="m">1.0668</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML FNC-11.4HRPN</PartNumber>
             <Description>Fiberglass nose cone</Description>
             <Material Type="BULK">Fiberglass</Material>
-            <Mass>0.0</Mass>
             <Shape>CONICAL</Shape>
-            <OutsideDiameter>0.296164</OutsideDiameter>
-            <ShoulderDiameter>0.289306</ShoulderDiameter>
-            <Length>0.557276</Length>
-            <Thickness>0.0022224999999999996</Thickness>
+            <OutsideDiameter Unit="m">0.296164</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.289306</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.15239999999999998</ShoulderLength>
+            <Length Unit="m">0.557276</Length>
+            <Thickness Unit="m">0.0022224999999999996</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML IC-2.1-1.1</PartNumber>
             <Description>Intellicone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.13324275857</Mass>
+            <Mass Unit="kg">0.13324275857</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.05841999999999999</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.2413</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.05841999999999999</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.07619999999999999</ShoulderLength>
+            <Length Unit="m">0.2413</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML IC-2.6-1.5</PartNumber>
             <Description>Intellicone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.20411656632</Mass>
+            <Mass Unit="kg">0.20411656632</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06858</OutsideDiameter>
-            <ShoulderDiameter>0.065405</ShoulderDiameter>
-            <Length>0.28575</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.06858</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.065405</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0508</ShoulderLength>
+            <Length Unit="m">0.28575</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML IC-3.0-2.1</PartNumber>
             <Description>Intellicone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.24664085096999996</Mass>
+            <Mass Unit="kg">0.24664085096999996</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.07874</OutsideDiameter>
-            <ShoulderDiameter>0.075565</ShoulderDiameter>
-            <Length>0.33654999999999996</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.07874</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.075565</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0635</ShoulderLength>
+            <Length Unit="m">0.33654999999999996</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <NoseCone>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML IC-3.9-2.1</PartNumber>
             <Description>Intellicone</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.40823313264</Mass>
+            <Mass Unit="kg">0.40823313264</Mass>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.1016</OutsideDiameter>
-            <ShoulderDiameter>0.098425</ShoulderDiameter>
-            <Length>0.42545</Length>
-            <Thickness>0.003175</Thickness>
+            <OutsideDiameter Unit="m">0.1016</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.098425</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.07619999999999999</ShoulderLength>
+            <Length Unit="m">0.42545</Length>
+            <Thickness Unit="m">0.003175</Thickness>
         </NoseCone>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-2.1-1.1</PartNumber>
             <Description>Transition (or tailcone) from 2.152 to 1.145</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.04252428465</Mass>
+            <Mass Unit="kg">0.04252428465</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.05781039999999999</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0546608</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.03223259999999999</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.00556006</Thickness>
+            <ForeOutsideDiameter Unit="m">0.05781039999999999</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0546608</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.03223259999999999</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.00556006</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-2.5-1.1</PartNumber>
             <Description>Transition (or tailcone) from 2.560 to 1.145</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.07654371237</Mass>
+            <Mass Unit="kg">0.07654371237</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0681736</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.065024</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.03223259999999999</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.0084836</Thickness>
+            <ForeOutsideDiameter Unit="m">0.0681736</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.065024</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.03223259999999999</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.0084836</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-2.5-1.5</PartNumber>
             <Description>Transition (or tailcone) from 2.560 to 1.525</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.04252428465</Mass>
+            <Mass Unit="kg">0.04252428465</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0681736</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.065024</ForeShoulderDiameter>
-            <ForeShoulderLength>0.004775199999999999</ForeShoulderLength>
-            <AftOutsideDiameter>0.0418846</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.004318</Thickness>
+            <ForeOutsideDiameter Unit="m">0.0681736</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.065024</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.004775199999999999</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0418846</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.004318</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-3.0-1.5</PartNumber>
             <Description>Transition (or tailcone) from 3.002 to 1.525</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.07937866467999999</Mass>
+            <Mass Unit="kg">0.07937866467999999</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0794004</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0762508</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.0418846</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.0066802</Thickness>
+            <ForeOutsideDiameter Unit="m">0.0794004</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0762508</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0418846</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.0066802</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-3.0-2.1</PartNumber>
             <Description>Transition (or tailcone) from 3.002 to 2.152</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.05102914158</Mass>
+            <Mass Unit="kg">0.05102914158</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0794004</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0762508</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.05781039999999999</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.0039369999999999995</Thickness>
+            <ForeOutsideDiameter Unit="m">0.0794004</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0762508</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.05781039999999999</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.0039369999999999995</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-3.9-2.1</PartNumber>
             <Description>Transition (or tailcone) from 3.900 to 2.152</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.10205828316</Mass>
+            <Mass Unit="kg">0.10205828316</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.1022096</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.09906</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.05781039999999999</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.005715</Thickness>
+            <ForeOutsideDiameter Unit="m">0.1022096</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.09906</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.05781039999999999</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.005715</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>PML TC-3.9-3.0</PartNumber>
             <Description>Transition (or tailcone) from 3.900 to 3.002</Description>
             <Material Type="BULK">Urethane</Material>
-            <Mass>0.09638837854</Mass>
+            <Mass Unit="kg">0.09638837854</Mass>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.1022096</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.09906</ForeShoulderDiameter>
-            <ForeShoulderLength>0.00635</ForeShoulderLength>
-            <AftOutsideDiameter>0.0794004</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.044449999999999996</Length>
-            <Thickness>0.005207</Thickness>
+            <ForeOutsideDiameter Unit="m">0.1022096</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.09906</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.00635</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0794004</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.044449999999999996</Length>
+            <Thickness Unit="m">0.005207</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>Large Lunar</PartNumber>
             <Description>Boattail</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.566990462</Mass>
+            <Mass Unit="kg">0.566990462</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.156337</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.1520698</ForeShoulderDiameter>
-            <ForeShoulderLength>0.156337</ForeShoulderLength>
-            <AftOutsideDiameter>0.05781039999999999</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0541528</AftShoulderDiameter>
-            <AftShoulderLength>2.54E-5</AftShoulderLength>
-            <Length>0.508</Length>
-            <Thickness>0.0022224999999999996</Thickness>
+            <ForeOutsideDiameter Unit="m">0.156337</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.1520698</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.156337</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.05781039999999999</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0541528</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">2.54E-5</AftShoulderLength>
+            <Length Unit="m">0.508</Length>
+            <Thickness Unit="m">0.0022224999999999996</Thickness>
         </Transition>
         <Transition>
             <Manufacturer>Public Missiles</Manufacturer>
             <PartNumber>Little Lunar</PartNumber>
             <Description>Boatail</Description>
             <Material Type="BULK">Polystyrene PS</Material>
-            <Mass>0.0</Mass>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.1022096</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.09855199999999999</ForeShoulderDiameter>
-            <ForeShoulderLength>0.1022096</ForeShoulderLength>
-            <AftOutsideDiameter>0.0418846</AftOutsideDiameter>
-            <AftShoulderDiameter>0.038227</AftShoulderDiameter>
-            <AftShoulderLength>2.54E-5</AftShoulderLength>
-            <Length>0.30479999999999996</Length>
-            <Thickness>0.0016002</Thickness>
+            <ForeOutsideDiameter Unit="m">0.1022096</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.09855199999999999</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.1022096</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0418846</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.038227</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">2.54E-5</AftShoulderLength>
+            <Length Unit="m">0.30479999999999996</Length>
+            <Thickness Unit="m">0.0016002</Thickness>
         </Transition>
     </Components>
 </OpenRocketComponent>
diff --git a/core/resources/datafiles/presets/semroc.orc b/core/resources/datafiles/presets/semroc.orc
index 4a380f03..94ab97b5 100644
--- a/core/resources/datafiles/presets/semroc.orc
+++ b/core/resources/datafiles/presets/semroc.orc
@@ -2,32 +2,32 @@
 <OpenRocketComponent>
     <Version>0.1</Version>
     <Materials>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Spiral/Glassine</Name>
             <Density>848.9785602000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>lite ply</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm³">
+        <Material UnitsOfMeasure="g/cm3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
@@ -39,9980 +39,10185 @@
             <PartNumber>BT-100CE</PartNumber>
             <Description>Classic Body Tube BT-100</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.012190294933</Mass>
-            <InsideDiameter>0.0940308</InsideDiameter>
-            <OutsideDiameter>0.0950976</OutsideDiameter>
-            <Length>0.08889999999999999</Length>
+            <Mass Unit="kg">0.012190294933</Mass>
+            <InsideDiameter Unit="m">0.0940308</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0950976</OutsideDiameter>
+            <Length Unit="m">0.08889999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-100D</PartNumber>
             <Description>Classic Body Tube BT-100</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.01417476155</Mass>
-            <InsideDiameter>0.0940308</InsideDiameter>
-            <OutsideDiameter>0.0950976</OutsideDiameter>
-            <Length>0.10388599999999999</Length>
+            <Mass Unit="kg">0.01417476155</Mass>
+            <InsideDiameter Unit="m">0.0940308</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0950976</OutsideDiameter>
+            <Length Unit="m">0.10388599999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-100Z</PartNumber>
             <Description>Classic Body Tube BT-100</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.037988360954</Mass>
-            <InsideDiameter>0.0940308</InsideDiameter>
-            <OutsideDiameter>0.0950976</OutsideDiameter>
-            <Length>0.276606</Length>
+            <Mass Unit="kg">0.037988360954</Mass>
+            <InsideDiameter Unit="m">0.0940308</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0950976</OutsideDiameter>
+            <Length Unit="m">0.276606</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-101</PartNumber>
             <Description>Classic Body Tube BT-101</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.055848560506999996</Mass>
-            <InsideDiameter>0.09895839999999999</InsideDiameter>
-            <OutsideDiameter>0.1000252</OutsideDiameter>
-            <Length>0.4191</Length>
+            <Mass Unit="kg">0.055848560506999996</Mass>
+            <InsideDiameter Unit="m">0.09895839999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1000252</OutsideDiameter>
+            <Length Unit="m">0.4191</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-101K</PartNumber>
             <Description>Classic Body Tube BT-101</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.025798066021000002</Mass>
-            <InsideDiameter>0.09895839999999999</InsideDiameter>
-            <OutsideDiameter>0.1000252</OutsideDiameter>
-            <Length>0.19278599999999999</Length>
+            <Mass Unit="kg">0.025798066021000002</Mass>
+            <InsideDiameter Unit="m">0.09895839999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1000252</OutsideDiameter>
+            <Length Unit="m">0.19278599999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-101LA</PartNumber>
             <Description>Classic Body Tube BT-101</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.072574779136</Mass>
-            <InsideDiameter>0.09895839999999999</InsideDiameter>
-            <OutsideDiameter>0.1000252</OutsideDiameter>
-            <Length>0.5435599999999999</Length>
+            <Mass Unit="kg">0.072574779136</Mass>
+            <InsideDiameter Unit="m">0.09895839999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1000252</OutsideDiameter>
+            <Length Unit="m">0.5435599999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-101SV</PartNumber>
             <Description>Classic Body Tube BT-101</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.083631093145</Mass>
-            <InsideDiameter>0.09895839999999999</InsideDiameter>
-            <OutsideDiameter>0.1000252</OutsideDiameter>
-            <Length>0.625602</Length>
+            <Mass Unit="kg">0.083631093145</Mass>
+            <InsideDiameter Unit="m">0.09895839999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1000252</OutsideDiameter>
+            <Length Unit="m">0.625602</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-101T</PartNumber>
             <Description>Classic Body Tube BT-101</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.010205828315999999</Mass>
-            <InsideDiameter>0.09895839999999999</InsideDiameter>
-            <OutsideDiameter>0.1000252</OutsideDiameter>
-            <Length>0.070612</Length>
+            <Mass Unit="kg">0.010205828315999999</Mass>
+            <InsideDiameter Unit="m">0.09895839999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.1000252</OutsideDiameter>
+            <Length Unit="m">0.070612</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.0076543712370000004</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.4572</Length>
+            <Mass Unit="kg">0.0076543712370000004</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.4572</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20AE</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>5.66990462E-4</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <Mass Unit="kg">5.66990462E-4</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20B</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.003685438003</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.21971</Length>
+            <Mass Unit="kg">0.003685438003</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.21971</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20D</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.00283495231</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.1651</Length>
+            <Mass Unit="kg">0.00283495231</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.1651</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20DJ</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.0017009713859999999</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.1016</Length>
+            <Mass Unit="kg">0.0017009713859999999</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20G</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.001417476155</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.08889999999999999</Length>
+            <Mass Unit="kg">0.001417476155</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.08889999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20J</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.001133980924</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.06985</Length>
+            <Mass Unit="kg">0.001133980924</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.06985</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20L</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.005102914157999999</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.30479999999999996</Length>
+            <Mass Unit="kg">0.005102914157999999</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.30479999999999996</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-20M</PartNumber>
             <Description>Classic Body Tube BT-20</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>8.504856929999999E-4</Mass>
-            <InsideDiameter>0.018033999999999998</InsideDiameter>
-            <OutsideDiameter>0.0186944</OutsideDiameter>
-            <Length>0.05715</Length>
+            <Mass Unit="kg">8.504856929999999E-4</Mass>
+            <InsideDiameter Unit="m">0.018033999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0186944</OutsideDiameter>
+            <Length Unit="m">0.05715</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-3</PartNumber>
             <Description>Classic Body Tube BT-3</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.003685438003</Mass>
-            <InsideDiameter>0.008762999999999998</InsideDiameter>
-            <OutsideDiameter>0.009524999999999999</OutsideDiameter>
-            <Length>0.4572</Length>
+            <Mass Unit="kg">0.003685438003</Mass>
+            <InsideDiameter Unit="m">0.008762999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.009524999999999999</OutsideDiameter>
+            <Length Unit="m">0.4572</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.006236895082</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.2286</Length>
+            <Mass Unit="kg">0.006236895082</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.2286</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30-180</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.012473790164</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.4572</Length>
+            <Mass Unit="kg">0.012473790164</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.4572</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30A</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.0025514570789999997</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.08889999999999999</Length>
+            <Mass Unit="kg">0.0025514570789999997</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.08889999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30B</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.004252428464999999</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.15570199999999998</Length>
+            <Mass Unit="kg">0.004252428464999999</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.15570199999999998</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30C</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.003685438003</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.1397</Length>
+            <Mass Unit="kg">0.003685438003</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.1397</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30F</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.004819418927</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.17779999999999999</Length>
+            <Mass Unit="kg">0.004819418927</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.17779999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30J</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.001984466617</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.06985</Length>
+            <Mass Unit="kg">0.001984466617</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.06985</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30K</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.0017009713859999999</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.059435999999999996</Length>
+            <Mass Unit="kg">0.0017009713859999999</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.059435999999999996</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-30XW</PartNumber>
             <Description>Classic Body Tube BT-30</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.001984466617</Mass>
-            <InsideDiameter>0.018414999999999997</InsideDiameter>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <Mass Unit="kg">0.001984466617</Mass>
+            <InsideDiameter Unit="m">0.018414999999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-3H</PartNumber>
             <Description>Classic Body Tube BT-3</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>5.66990462E-4</Mass>
-            <InsideDiameter>0.008762999999999998</InsideDiameter>
-            <OutsideDiameter>0.009524999999999999</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <Mass Unit="kg">5.66990462E-4</Mass>
+            <InsideDiameter Unit="m">0.008762999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.009524999999999999</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-3XW</PartNumber>
             <Description>Classic Body Tube BT-3</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>2.83495231E-4</Mass>
-            <InsideDiameter>0.008762999999999998</InsideDiameter>
-            <OutsideDiameter>0.009524999999999999</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <Mass Unit="kg">2.83495231E-4</Mass>
+            <InsideDiameter Unit="m">0.008762999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.009524999999999999</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-40</PartNumber>
             <Description>Classic Body Tube BT-40</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.001133980924</Mass>
-            <InsideDiameter>0.019431</InsideDiameter>
-            <OutsideDiameter>0.020954999999999998</OutsideDiameter>
-            <Length>0.34925</Length>
+            <Mass Unit="kg">0.001133980924</Mass>
+            <InsideDiameter Unit="m">0.019431</InsideDiameter>
+            <OutsideDiameter Unit="m">0.020954999999999998</OutsideDiameter>
+            <Length Unit="m">0.34925</Length>
         </BodyTube>
         <BodyTube>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BT-40-185</PartNumber>
             <Description>Classic Body Tube BT-40</Description>
             <Material Type="BULK">Spiral/Glassine</Material>
-            <Mass>0.0017009713859999999</Mass>
-            <InsideDiameter>0.019431</InsideDiameter>
-            <OutsideDiameter>0.020954999999999998</OutsideDiameter>
-            <Length>0.4699</Length>
+            <Mass Unit="kg">0.0017009713859999999</Mass>
+            <InsideDiameter Unit="m">0.019431</InsideDiameter>
+            <OutsideDiameter Unit="m">0.020954999999999998</OutsideDiameter>
+            <Length Unit="m">0.4699</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-8</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 8</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0010772818778</Mass>
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             <Filled>true</Filled>
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+            <OutsideDiameter Unit="m">0.021970999999999997</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-8F</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 8F</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0010772818778</Mass>
+            <Mass Unit="kg">0.0010772818778</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.022479</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.022479</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-9</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 9</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0012757285394999999</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.02413</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-10</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 10</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0018143694784</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.0254</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.0254</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-11</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 11</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0019561170939</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.028701999999999995</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
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+            <Length Unit="m">0.038099999999999995</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-13</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 13</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0035436903875</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.03302</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.03302</OutsideDiameter>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-16</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 16</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004961166542499999</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.04064</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.04064</OutsideDiameter>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-18</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 18</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.00566990462</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.04572</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.04572</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-20</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 20</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0075126236215</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.0508</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.0508</OutsideDiameter>
+            <Length Unit="m">0.05334</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-085</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 85</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0016159228167</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.021970999999999997</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <OutsideDiameter Unit="m">0.021970999999999997</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-115</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 115</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0031751465871999998</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.029209999999999996</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <OutsideDiameter Unit="m">0.029209999999999996</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-125</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 125</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004535923696</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.03175</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.03175</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-150</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 150</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006662137928499999</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.038099999999999995</OutsideDiameter>
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+            <OutsideDiameter Unit="m">0.038099999999999995</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-175</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 175</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0094970902385</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.044449999999999996</OutsideDiameter>
-            <Length>0.05715</Length>
+            <OutsideDiameter Unit="m">0.044449999999999996</OutsideDiameter>
+            <Length Unit="m">0.05715</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-225</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 225</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0180019471685</Mass>
+            <Mass Unit="kg">0.0180019471685</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.05715</OutsideDiameter>
-            <Length>0.0635</Length>
+            <OutsideDiameter Unit="m">0.05715</OutsideDiameter>
+            <Length Unit="m">0.0635</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BTC-275</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series 275</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0321767087185</Mass>
+            <Mass Unit="kg">0.0321767087185</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.06985</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <OutsideDiameter Unit="m">0.06985</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-3</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-3</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>1.9844666169999999E-4</Mass>
+            <Mass Unit="kg">1.9844666169999999E-4</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.008864599999999999</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <OutsideDiameter Unit="m">0.008864599999999999</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-5</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-5</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>2.83495231E-4</Mass>
+            <Mass Unit="kg">2.83495231E-4</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.013081</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <OutsideDiameter Unit="m">0.013081</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-20</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-20</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>5.66990462E-4</Mass>
+            <Mass Unit="kg">5.66990462E-4</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.018033999999999998</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <OutsideDiameter Unit="m">0.018033999999999998</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-30</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-30</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>5.66990462E-4</Mass>
+            <Mass Unit="kg">5.66990462E-4</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.018414999999999997</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <OutsideDiameter Unit="m">0.018414999999999997</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-40</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-40</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>7.937866467999999E-4</Mass>
+            <Mass Unit="kg">7.937866467999999E-4</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.019431</OutsideDiameter>
-            <Length>0.0254</Length>
+            <OutsideDiameter Unit="m">0.019431</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-50</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-50</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.001133980924</Mass>
+            <Mass Unit="kg">0.001133980924</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.02413</OutsideDiameter>
-            <Length>0.0254</Length>
+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </BulkHead>
         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-50L</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-50</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0021829132787</Mass>
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             <Filled>true</Filled>
-            <OutsideDiameter>0.02413</OutsideDiameter>
-            <Length>0.030225999999999996</Length>
+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.030225999999999996</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-55</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-55</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0032601951565</Mass>
+            <Mass Unit="kg">0.0032601951565</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0325882</OutsideDiameter>
-            <Length>0.03175</Length>
+            <OutsideDiameter Unit="m">0.0325882</OutsideDiameter>
+            <Length Unit="m">0.03175</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-60</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-60</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004819418927</Mass>
+            <Mass Unit="kg">0.004819418927</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.040513</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <OutsideDiameter Unit="m">0.040513</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-65</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-65</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0059533998509999995</Mass>
+            <Mass Unit="kg">0.0059533998509999995</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.044449999999999996</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <OutsideDiameter Unit="m">0.044449999999999996</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-70</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-70</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006236895082</Mass>
+            <Mass Unit="kg">0.006236895082</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.055244999999999995</OutsideDiameter>
-            <Length>0.0508</Length>
+            <OutsideDiameter Unit="m">0.055244999999999995</OutsideDiameter>
+            <Length Unit="m">0.0508</Length>
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         <BulkHead>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>NB-80</PartNumber>
             <Description>Semroc Solid Balsa Tube Adapter - Series BT-80</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.010489323547</Mass>
+            <Mass Unit="kg">0.010489323547</Mass>
             <Filled>true</Filled>
-            <OutsideDiameter>0.0649732</OutsideDiameter>
-            <Length>0.07619999999999999</Length>
+            <OutsideDiameter Unit="m">0.0649732</OutsideDiameter>
+            <Length Unit="m">0.07619999999999999</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-57</PartNumber>
             <Description>Centering Ring #5 to #7</Description>
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-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013843000000000001</InsideDiameter>
-            <OutsideDiameter>0.0181102</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.013843000000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0181102</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-58</PartNumber>
             <Description>Centering Ring #5 to #8</Description>
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-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013843000000000001</InsideDiameter>
-            <OutsideDiameter>0.021920199999999997</OutsideDiameter>
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+            <InsideDiameter Unit="m">0.013843000000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.021920199999999997</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-510</PartNumber>
             <Description>Centering Ring #5 to #10</Description>
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-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013843000000000001</InsideDiameter>
-            <OutsideDiameter>0.0253492</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.013843000000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0253492</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-513</PartNumber>
             <Description>Centering Ring #5 to #13</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013843000000000001</InsideDiameter>
-            <OutsideDiameter>0.0329692</OutsideDiameter>
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+            <InsideDiameter Unit="m">0.013843000000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0329692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-78</PartNumber>
             <Description>Centering Ring #7 to #8</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.021920199999999997</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.021920199999999997</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-78F</PartNumber>
             <Description>Centering Ring #7 to #8F</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0224282</OutsideDiameter>
-            <Length>0.001778</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0224282</OutsideDiameter>
+            <Length Unit="m">0.001778</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-78L</PartNumber>
             <Description>Centering Ring #7 to #8</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.021920199999999997</OutsideDiameter>
-            <Length>0.002032</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.021920199999999997</OutsideDiameter>
+            <Length Unit="m">0.002032</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-79</PartNumber>
             <Description>Centering Ring #7 to #9</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-710</PartNumber>
             <Description>Centering Ring #7 to #10</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0253492</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0253492</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-711</PartNumber>
             <Description>Centering Ring #7 to #11</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.028194</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.028194</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-713</PartNumber>
             <Description>Centering Ring #7 to #13</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0329692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0329692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-716</PartNumber>
             <Description>Centering Ring #7 to #16</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-718</PartNumber>
             <Description>Centering Ring #7 to #18</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0456692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0456692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-720</PartNumber>
             <Description>Centering Ring #7 to #20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0193294</InsideDiameter>
-            <OutsideDiameter>0.0507492</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0193294</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507492</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9115</PartNumber>
             <Description>Centering Ring #9 to #115</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.028448</OutsideDiameter>
-            <Length>0.0254</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.028448</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-13</PartNumber>
             <Description>Centering Ring #9 to #13</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0329692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0329692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-916</PartNumber>
             <Description>Centering Ring #9 to #16</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-16P</PartNumber>
             <Description>Centering Ring #9 to #16</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-918</PartNumber>
             <Description>Centering Ring #9 to #18</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0456692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0456692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-20</PartNumber>
             <Description>Centering Ring #9 to #20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0507492</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507492</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-225P</PartNumber>
             <Description>Centering Ring #9 to #225</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0570992</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0570992</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-150P</PartNumber>
             <Description>Centering Ring #9 to #150</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0380492</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0380492</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-70</PartNumber>
             <Description>Centering Ring #9 to BT-70</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0551942</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0551942</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-80</PartNumber>
             <Description>Centering Ring #9 to BT-80</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-9-80P</PartNumber>
             <Description>Centering Ring #9 to BT-80</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-10-13</PartNumber>
             <Description>Centering Ring #10 to #13</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0264668</InsideDiameter>
-            <OutsideDiameter>0.0329692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0264668</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0329692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-10-16</PartNumber>
             <Description>Centering Ring #10 to #16</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0264668</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0264668</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-10-20</PartNumber>
             <Description>Centering Ring #10 to #20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0264668</InsideDiameter>
-            <OutsideDiameter>0.0507492</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0264668</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507492</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-11516</PartNumber>
             <Description>Centering Ring #115 to #16</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-11520</PartNumber>
             <Description>Centering Ring #115 to #20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0507492</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0507492</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-18</PartNumber>
             <Description>Centering Ring #115 to #18</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0456692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0456692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-115-70P</PartNumber>
             <Description>Centering Ring #115 to BT-70</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0551942</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0551942</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-150P</PartNumber>
             <Description>Centering Ring #115 to #150</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0380492</OutsideDiameter>
-            <Length>0.00254</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0380492</OutsideDiameter>
+            <Length Unit="m">0.00254</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-16P</PartNumber>
             <Description>Centering Ring #115 to #16</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0405892</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0405892</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-175P</PartNumber>
             <Description>Centering Ring #115 to #175</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0443992</OutsideDiameter>
-            <Length>0.00254</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0443992</OutsideDiameter>
+            <Length Unit="m">0.00254</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-225P</PartNumber>
             <Description>Centering Ring #115 to #225</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0570992</OutsideDiameter>
-            <Length>0.00254</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0570992</OutsideDiameter>
+            <Length Unit="m">0.00254</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-115-275P</PartNumber>
             <Description>Centering Ring #115 to #275</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0697992</OutsideDiameter>
-            <Length>0.00254</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0697992</OutsideDiameter>
+            <Length Unit="m">0.00254</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-115-80P</PartNumber>
             <Description>Centering Ring #115 to BT-80</Description>
             <Material Type="BULK">lite ply</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0310388</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.002794</Length>
+            <InsideDiameter Unit="m">0.0310388</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.002794</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>AR-520</PartNumber>
             <Description>Centering Ring BT-5 to BT-20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013792200000000001</InsideDiameter>
-            <OutsideDiameter>0.017983199999999998</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.013792200000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.017983199999999998</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-520</PartNumber>
             <Description>Centering Ring BT-5 to BT-20</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013792200000000001</InsideDiameter>
-            <OutsideDiameter>0.017983199999999998</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.013792200000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.017983199999999998</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-550</PartNumber>
             <Description>Centering Ring BT-5 to BT-50</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013792200000000001</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.013792200000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-555</PartNumber>
             <Description>Centering Ring BT-5 to BT-55</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013792200000000001</InsideDiameter>
-            <OutsideDiameter>0.032537399999999994</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.013792200000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032537399999999994</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-560</PartNumber>
             <Description>Centering Ring BT-5 to BT-60</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.013792200000000001</InsideDiameter>
-            <OutsideDiameter>0.0404622</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.013792200000000001</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404622</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>AR-2050</PartNumber>
             <Description>Centering Ring BT-20 to BT-50</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>AR-2050S</PartNumber>
             <Description>Centering Ring BT-20 to BT-50 Split</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-2050</PartNumber>
             <Description>Centering Ring BT-20 to BT-50</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0240792</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0240792</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-2055</PartNumber>
             <Description>Centering Ring BT-20 to BT-55</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.032537399999999994</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032537399999999994</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-2060</PartNumber>
             <Description>Centering Ring BT-20 to BT-60</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0404622</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404622</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-2070</PartNumber>
             <Description>Centering Ring BT-20 to BT-70</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0551942</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0551942</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-2080</PartNumber>
             <Description>Centering Ring BT-20 to BT-80</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0187452</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.0187452</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>CR-50-18</PartNumber>
             <Description>Centering Ring BT-50 to #18</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.0456692</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0456692</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-5055</PartNumber>
             <Description>Centering Ring BT-50 to BT-55</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.032537399999999994</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032537399999999994</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RAH-5055</PartNumber>
             <Description>Centering Ring BT-50 to BT-55</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.032537399999999994</OutsideDiameter>
-            <Length>0.001778</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.032537399999999994</OutsideDiameter>
+            <Length Unit="m">0.001778</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-5060</PartNumber>
             <Description>Centering Ring BT-50 to BT-60</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.0404622</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404622</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RAH-5060</PartNumber>
             <Description>Centering Ring BT-50 to BT-60</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.0404622</OutsideDiameter>
-            <Length>0.001778</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404622</OutsideDiameter>
+            <Length Unit="m">0.001778</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-5070</PartNumber>
             <Description>Centering Ring BT-50 to BT-70</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.0551942</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0551942</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
         </CenteringRing>
         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-5080</PartNumber>
             <Description>Centering Ring BT-50 to BT-80</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.024841199999999997</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.024841199999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-5560</PartNumber>
             <Description>Centering Ring BT-55 to BT-60</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.025730199999999995</InsideDiameter>
-            <OutsideDiameter>0.0404622</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.025730199999999995</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0404622</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
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         <CenteringRing>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>RA-7080</PartNumber>
             <Description>Centering Ring BT-70 to BT-80</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.05636259999999999</InsideDiameter>
-            <OutsideDiameter>0.0651764</OutsideDiameter>
-            <Length>0.00127</Length>
+            <InsideDiameter Unit="m">0.05636259999999999</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0651764</OutsideDiameter>
+            <Length Unit="m">0.00127</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-5</PartNumber>
             <Description>Tube Coupler Series 5</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>2.83495231E-4</Mass>
-            <InsideDiameter>0.0120142</InsideDiameter>
-            <OutsideDiameter>0.013081</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <Mass Unit="kg">2.83495231E-4</Mass>
+            <InsideDiameter Unit="m">0.0120142</InsideDiameter>
+            <OutsideDiameter Unit="m">0.013081</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-7</PartNumber>
             <Description>Tube Coupler Series 7</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>7.370876006E-4</Mass>
-            <InsideDiameter>0.0170942</InsideDiameter>
-            <OutsideDiameter>0.018161</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">7.370876006E-4</Mass>
+            <InsideDiameter Unit="m">0.0170942</InsideDiameter>
+            <OutsideDiameter Unit="m">0.018161</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-7B</PartNumber>
             <Description>Tube Coupler Series 7</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>7.370876006E-4</Mass>
-            <InsideDiameter>0.018262599999999997</InsideDiameter>
-            <OutsideDiameter>0.0193294</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">7.370876006E-4</Mass>
+            <InsideDiameter Unit="m">0.018262599999999997</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0193294</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-8</PartNumber>
             <Description>Tube Coupler Series 8</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0010772818778</Mass>
-            <InsideDiameter>0.020904199999999998</InsideDiameter>
-            <OutsideDiameter>0.021970999999999997</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">0.0010772818778</Mass>
+            <InsideDiameter Unit="m">0.020904199999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.021970999999999997</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-8F</PartNumber>
             <Description>Tube Coupler Series 8F</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0011056314009</Mass>
-            <InsideDiameter>0.0214122</InsideDiameter>
-            <OutsideDiameter>0.022479</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">0.0011056314009</Mass>
+            <InsideDiameter Unit="m">0.0214122</InsideDiameter>
+            <OutsideDiameter Unit="m">0.022479</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-9</PartNumber>
             <Description>Tube Coupler Series 9</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0011623304471</Mass>
-            <InsideDiameter>0.0230632</InsideDiameter>
-            <OutsideDiameter>0.02413</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">0.0011623304471</Mass>
+            <InsideDiameter Unit="m">0.0230632</InsideDiameter>
+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-10</PartNumber>
             <Description>Tube Coupler Series 10</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0018143694784</Mass>
-            <InsideDiameter>0.0243332</InsideDiameter>
-            <OutsideDiameter>0.0254</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <Mass Unit="kg">0.0018143694784</Mass>
+            <InsideDiameter Unit="m">0.0243332</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0254</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-11</PartNumber>
             <Description>Tube Coupler Series 11</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0020128161401</Mass>
-            <InsideDiameter>0.027635200000000002</InsideDiameter>
-            <OutsideDiameter>0.028701999999999995</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <Mass Unit="kg">0.0020128161401</Mass>
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+            <OutsideDiameter Unit="m">0.028701999999999995</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-13</PartNumber>
             <Description>Tube Coupler Series 13</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0035436903875</Mass>
-            <InsideDiameter>0.0319532</InsideDiameter>
-            <OutsideDiameter>0.03302</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <Mass Unit="kg">0.0035436903875</Mass>
+            <InsideDiameter Unit="m">0.0319532</InsideDiameter>
+            <OutsideDiameter Unit="m">0.03302</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-16</PartNumber>
             <Description>Tube Coupler Series 16</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.004961166542499999</Mass>
-            <InsideDiameter>0.0395732</InsideDiameter>
-            <OutsideDiameter>0.04064</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <Mass Unit="kg">0.004961166542499999</Mass>
+            <InsideDiameter Unit="m">0.0395732</InsideDiameter>
+            <OutsideDiameter Unit="m">0.04064</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-18</PartNumber>
             <Description>Tube Coupler Series 18</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0059533998509999995</Mass>
-            <InsideDiameter>0.0446532</InsideDiameter>
-            <OutsideDiameter>0.04572</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <Mass Unit="kg">0.0059533998509999995</Mass>
+            <InsideDiameter Unit="m">0.0446532</InsideDiameter>
+            <OutsideDiameter Unit="m">0.04572</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>HTC-20</PartNumber>
             <Description>Tube Coupler Series 20</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0075126236215</Mass>
-            <InsideDiameter>0.0497332</InsideDiameter>
-            <OutsideDiameter>0.0508</OutsideDiameter>
-            <Length>0.05334</Length>
+            <Mass Unit="kg">0.0075126236215</Mass>
+            <InsideDiameter Unit="m">0.0497332</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0508</OutsideDiameter>
+            <Length Unit="m">0.05334</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-5C</PartNumber>
             <Description>Tube Coupler Series BT-5</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>2.83495231E-4</Mass>
-            <InsideDiameter>0.0120142</InsideDiameter>
-            <OutsideDiameter>0.013081</OutsideDiameter>
-            <Length>0.019049999999999997</Length>
+            <Mass Unit="kg">2.83495231E-4</Mass>
+            <InsideDiameter Unit="m">0.0120142</InsideDiameter>
+            <OutsideDiameter Unit="m">0.013081</OutsideDiameter>
+            <Length Unit="m">0.019049999999999997</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-20C</PartNumber>
             <Description>Tube Coupler Series BT-20</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>7.370876006E-4</Mass>
-            <InsideDiameter>0.0169672</InsideDiameter>
-            <OutsideDiameter>0.018033999999999998</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">7.370876006E-4</Mass>
+            <InsideDiameter Unit="m">0.0169672</InsideDiameter>
+            <OutsideDiameter Unit="m">0.018033999999999998</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-50C</PartNumber>
             <Description>Tube Coupler Series BT-50</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0011056314009</Mass>
-            <InsideDiameter>0.0230632</InsideDiameter>
-            <OutsideDiameter>0.02413</OutsideDiameter>
-            <Length>0.0254</Length>
+            <Mass Unit="kg">0.0011056314009</Mass>
+            <InsideDiameter Unit="m">0.0230632</InsideDiameter>
+            <OutsideDiameter Unit="m">0.02413</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-55C</PartNumber>
             <Description>Tube Coupler Series BT-55</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0013891266319</Mass>
-            <InsideDiameter>0.0315214</InsideDiameter>
-            <OutsideDiameter>0.0325882</OutsideDiameter>
-            <Length>0.038099999999999995</Length>
+            <Mass Unit="kg">0.0013891266319</Mass>
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+            <OutsideDiameter Unit="m">0.0325882</OutsideDiameter>
+            <Length Unit="m">0.038099999999999995</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-60C</PartNumber>
             <Description>Tube Coupler Series BT-60</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0015592237705</Mass>
-            <InsideDiameter>0.039446199999999994</InsideDiameter>
-            <OutsideDiameter>0.040513</OutsideDiameter>
-            <Length>0.044449999999999996</Length>
+            <Mass Unit="kg">0.0015592237705</Mass>
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+            <OutsideDiameter Unit="m">0.040513</OutsideDiameter>
+            <Length Unit="m">0.044449999999999996</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-70D</PartNumber>
             <Description>Tube Coupler Series BT-70</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0024664085097</Mass>
-            <InsideDiameter>0.054178199999999996</InsideDiameter>
-            <OutsideDiameter>0.055244999999999995</OutsideDiameter>
-            <Length>0.015875</Length>
+            <Mass Unit="kg">0.0024664085097</Mass>
+            <InsideDiameter Unit="m">0.054178199999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055244999999999995</OutsideDiameter>
+            <Length Unit="m">0.015875</Length>
         </TubeCoupler>
         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-70E</PartNumber>
             <Description>Tube Coupler Series BT-70</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.0157906843667</Mass>
-            <InsideDiameter>0.054178199999999996</InsideDiameter>
-            <OutsideDiameter>0.055244999999999995</OutsideDiameter>
-            <Length>0.1016</Length>
+            <Mass Unit="kg">0.0157906843667</Mass>
+            <InsideDiameter Unit="m">0.054178199999999996</InsideDiameter>
+            <OutsideDiameter Unit="m">0.055244999999999995</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
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         <TubeCoupler>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>JT-80E</PartNumber>
             <Description>Tube Coupler Series BT-80</Description>
             <Material Type="BULK">Paper</Material>
-            <Mass>0.020695151863</Mass>
-            <InsideDiameter>0.0638556</InsideDiameter>
-            <OutsideDiameter>0.0649224</OutsideDiameter>
-            <Length>0.1016</Length>
+            <Mass Unit="kg">0.020695151863</Mass>
+            <InsideDiameter Unit="m">0.0638556</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0649224</OutsideDiameter>
+            <Length Unit="m">0.1016</Length>
         </TubeCoupler>
         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TB-115</PartNumber>
             <Description>Thrust Block #115</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.028955999999999996</OutsideDiameter>
-            <Length>0.00635</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.028955999999999996</OutsideDiameter>
+            <Length Unit="m">0.00635</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TR-115</PartNumber>
             <Description>Thrust Ring #115</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0254</InsideDiameter>
-            <OutsideDiameter>0.028955999999999996</OutsideDiameter>
-            <Length>0.0254</Length>
+            <InsideDiameter Unit="m">0.0254</InsideDiameter>
+            <OutsideDiameter Unit="m">0.028955999999999996</OutsideDiameter>
+            <Length Unit="m">0.0254</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TB-5</PartNumber>
             <Description>Thrust Block #5</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0104902</InsideDiameter>
-            <OutsideDiameter>0.0130302</OutsideDiameter>
-            <Length>0.004775199999999999</Length>
+            <InsideDiameter Unit="m">0.0104902</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0130302</OutsideDiameter>
+            <Length Unit="m">0.004775199999999999</Length>
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         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TR-5</PartNumber>
             <Description>Thrust Ring #5</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.0104902</InsideDiameter>
-            <OutsideDiameter>0.0130302</OutsideDiameter>
-            <Length>0.009524999999999999</Length>
+            <InsideDiameter Unit="m">0.0104902</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0130302</OutsideDiameter>
+            <Length Unit="m">0.009524999999999999</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TB-7</PartNumber>
             <Description>Thrust Block #7</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.014604999999999998</InsideDiameter>
-            <OutsideDiameter>0.0181102</OutsideDiameter>
-            <Length>0.004775199999999999</Length>
+            <InsideDiameter Unit="m">0.014604999999999998</InsideDiameter>
+            <OutsideDiameter Unit="m">0.0181102</OutsideDiameter>
+            <Length Unit="m">0.004775199999999999</Length>
         </EngineBlock>
         <EngineBlock>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TR-7</PartNumber>
             <Description>Thrust Ring #7</Description>
             <Material Type="BULK">Fiber</Material>
-            <Mass>0.0</Mass>
-            <InsideDiameter>0.014604999999999998</InsideDiameter>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-70HAJ</PartNumber>
             <Description>Elliptical</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.024097094635</Mass>
+            <Mass Unit="kg">0.024097094635</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.057073799999999994</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.10794999999999999</Length>
+            <OutsideDiameter Unit="m">0.057073799999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.02032</ShoulderLength>
+            <Length Unit="m">0.10794999999999999</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-70HB</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.032034961103</Mass>
+            <Mass Unit="kg">0.032034961103</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.057073799999999994</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.17779999999999999</Length>
+            <OutsideDiameter Unit="m">0.057073799999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.02032</ShoulderLength>
+            <Length Unit="m">0.17779999999999999</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-70HCT</PartNumber>
             <Description>Bezier</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.02551457079</Mass>
+            <Mass Unit="kg">0.02551457079</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.057073799999999994</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.1143</Length>
+            <OutsideDiameter Unit="m">0.057073799999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.02032</ShoulderLength>
+            <Length Unit="m">0.1143</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-70HD</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.024947580328</Mass>
+            <Mass Unit="kg">0.024947580328</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.057073799999999994</OutsideDiameter>
-            <ShoulderDiameter>0.055244999999999995</ShoulderDiameter>
-            <Length>0.109982</Length>
+            <OutsideDiameter Unit="m">0.057073799999999994</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.055244999999999995</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.02032</ShoulderLength>
+            <Length Unit="m">0.109982</Length>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80AH</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.079662159911</Mass>
+            <Mass Unit="kg">0.079662159911</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.2667</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.2667</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80AO</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.037988360954</Mass>
+            <Mass Unit="kg">0.037988360954</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.25146</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.25146</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80BB</PartNumber>
             <Description>Elliptical</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.031184475410000002</Mass>
+            <Mass Unit="kg">0.031184475410000002</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.1016</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.1016</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80D</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.027782532638</Mass>
+            <Mass Unit="kg">0.027782532638</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.127</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.127</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80K</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.034869913413</Mass>
+            <Mass Unit="kg">0.034869913413</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.20827999999999997</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.20827999999999997</Length>
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         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80KA</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.032034961103</Mass>
+            <Mass Unit="kg">0.032034961103</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.186182</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.186182</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80KP</PartNumber>
             <Description>Rounded Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.031751465872</Mass>
+            <Mass Unit="kg">0.031751465872</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.17602199999999998</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.17602199999999998</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80L</PartNumber>
             <Description>Elliptical</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.03685438003</Mass>
+            <Mass Unit="kg">0.03685438003</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.127</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.127</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80VE</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.03685438003</Mass>
+            <Mass Unit="kg">0.03685438003</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.06604</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.12446</Length>
+            <OutsideDiameter Unit="m">0.06604</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.12446</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HAH</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.079662159911</Mass>
+            <Mass Unit="kg">0.079662159911</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.2667</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.2667</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HAO</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.037988360954</Mass>
+            <Mass Unit="kg">0.037988360954</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.25146</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.25146</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HBB</PartNumber>
             <Description>Elliptical</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.031184475410000002</Mass>
+            <Mass Unit="kg">0.031184475410000002</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.1016</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.1016</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HD</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.027782532638</Mass>
+            <Mass Unit="kg">0.027782532638</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.127</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.127</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HK</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.034869913413</Mass>
+            <Mass Unit="kg">0.034869913413</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.20827999999999997</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.20827999999999997</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HKA</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.032034961103</Mass>
+            <Mass Unit="kg">0.032034961103</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.186182</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.186182</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HKP</PartNumber>
             <Description>Rounded Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.031751465872</Mass>
+            <Mass Unit="kg">0.031751465872</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.17602199999999998</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.17602199999999998</Length>
         </NoseCone>
         <NoseCone>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BNC-80HL</PartNumber>
             <Description>Ogive</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.03685438003</Mass>
+            <Mass Unit="kg">0.03685438003</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <OutsideDiameter>0.067056</OutsideDiameter>
-            <ShoulderDiameter>0.0649732</ShoulderDiameter>
-            <Length>0.127</Length>
+            <OutsideDiameter Unit="m">0.067056</OutsideDiameter>
+            <ShoulderDiameter Unit="m">0.0649732</ShoulderDiameter>
+            <ShoulderLength Unit="m">0.0254</ShoulderLength>
+            <Length Unit="m">0.127</Length>
         </NoseCone>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-085225</PartNumber>
             <Description>Balsa Reducer 085 to 225</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.022112628018</Mass>
+            <Mass Unit="kg">0.022112628018</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.024002999999999997</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.021970999999999997</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.059435999999999996</AftOutsideDiameter>
-            <AftShoulderDiameter>0.05715</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0635</Length>
+            <ForeOutsideDiameter Unit="m">0.024002999999999997</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.021970999999999997</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.059435999999999996</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.05715</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0635</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-085225 [R]</PartNumber>
             <Description>Balsa Reducer 085 to 225 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.022112628018</Mass>
+            <Mass Unit="kg">0.022112628018</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.059435999999999996</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.05715</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.024002999999999997</AftOutsideDiameter>
-            <AftShoulderDiameter>0.021970999999999997</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0635</Length>
+            <ForeOutsideDiameter Unit="m">0.059435999999999996</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.05715</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.024002999999999997</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.021970999999999997</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0635</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-1013</PartNumber>
             <Description>Balsa Reducer 10 to 13</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
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-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.034036000000000004</AftOutsideDiameter>
-            <AftShoulderDiameter>0.03302</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.019049999999999997</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.034036000000000004</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.03302</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.019049999999999997</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-1013 [R]</PartNumber>
             <Description>Balsa Reducer 10 to 13 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.034036000000000004</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.03302</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.026416</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0254</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.019049999999999997</Length>
+            <ForeOutsideDiameter Unit="m">0.034036000000000004</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.03302</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.026416</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0254</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.019049999999999997</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-1016</PartNumber>
             <Description>Balsa Reducer 10 to 16</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.009071847392</Mass>
+            <Mass Unit="kg">0.009071847392</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.041656</AftOutsideDiameter>
-            <AftShoulderDiameter>0.04064</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
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             <Description>Balsa Reducer 13 to 16</Description>
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             <Description>Balsa Reducer 16 to 18</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 16 to 18 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Description>Balsa Reducer 16 to 20</Description>
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             <Description>Balsa Reducer 16 to 20 – Reversed</Description>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 225 to BT-80H – Reversed</Description>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 5 to 10 – Reversed</Description>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-511</PartNumber>
             <Description>Balsa Reducer 5 to 11</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0034019427719999998</Mass>
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             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-511 [R]</PartNumber>
             <Description>Balsa Reducer 5 to 11 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0034019427719999998</Mass>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-513</PartNumber>
             <Description>Balsa Reducer 5 to 13</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004535923696</Mass>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer 5 to 13 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004535923696</Mass>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 5 to 7</Description>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer 5 to 7 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <PartNumber>BR-58</PartNumber>
             <Description>Balsa Reducer 5 to 8</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 5 to 8 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 5 to 8F</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 5 to 8F – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 5 to 9</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 5 to 9 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer BT-60 to ST-18</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
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             <PartNumber>BR-60-18 [R]</PartNumber>
             <Description>Balsa Reducer BT-60 to ST-18 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 7 to 10</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer 7 to 10 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
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             <PartNumber>BR-711</PartNumber>
             <Description>Balsa Reducer 7 to 11</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-711 [R]</PartNumber>
             <Description>Balsa Reducer 7 to 11 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.003685438003</Mass>
+            <Mass Unit="kg">0.003685438003</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
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-            <Length>0.019049999999999997</Length>
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+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.019049999999999997</Length>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-713</PartNumber>
             <Description>Balsa Reducer 7 to 13</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-713 [R]</PartNumber>
             <Description>Balsa Reducer 7 to 13 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-716</PartNumber>
             <Description>Balsa Reducer 7 to 16</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.010205828315999999</Mass>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-716 [R]</PartNumber>
             <Description>Balsa Reducer 7 to 16 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.010205828315999999</Mass>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 7 to 18</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer 7 to 18 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <PartNumber>BR-78</PartNumber>
             <Description>Balsa Reducer 7 to 8</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 7 to 8 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 7 to 8F</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 7 to 8F – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <PartNumber>BR-78S</PartNumber>
             <Description>Balsa Reducer 7 to 8</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-78S [R]</PartNumber>
             <Description>Balsa Reducer 7 to 8 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <PartNumber>BR-79</PartNumber>
             <Description>Balsa Reducer 7 to 9</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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+            <Length Unit="m">0.0254</Length>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-79 [R]</PartNumber>
             <Description>Balsa Reducer 7 to 9 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004819418927</Mass>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-79L</PartNumber>
             <Description>Balsa Reducer 7 to 9</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-79L [R]</PartNumber>
             <Description>Balsa Reducer 7 to 9 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <PartNumber>BR-810</PartNumber>
             <Description>Balsa Reducer 8 to 10</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-810 [R]</PartNumber>
             <Description>Balsa Reducer 8 to 10 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.003968933234</Mass>
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             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
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+            <Length Unit="m">0.0127</Length>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-813</PartNumber>
             <Description>Balsa Reducer 8 to 13</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.007370876006</Mass>
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             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-813 [R]</PartNumber>
             <Description>Balsa Reducer 8 to 13 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.007370876006</Mass>
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             <Filled>true</Filled>
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             <PartNumber>BR-813P</PartNumber>
             <Description>Balsa Reducer 8 to 13</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 8 to 13 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.007370876006</Mass>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 8 to 16</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 8 to 16 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 8 to 16</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer 8 to 16 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Description>Balsa Reducer 8F to 11</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 8F to 11 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 8F to 11</Description>
             <Material Type="BULK">Balsa</Material>
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             <Filled>true</Filled>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-8F11L [R]</PartNumber>
             <Description>Balsa Reducer 8F to 11 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006236895082</Mass>
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             <Filled>true</Filled>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 9 to 16</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.008504856929999999</Mass>
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             <Filled>true</Filled>
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+            <Length Unit="m">0.0508</Length>
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         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-916 [R]</PartNumber>
             <Description>Balsa Reducer 9 to 16 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.008504856929999999</Mass>
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             <Filled>true</Filled>
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         </Transition>
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             <Manufacturer>SEMROC Astronautics</Manufacturer>
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             <Description>Balsa Reducer 9 to 18</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.009071847392</Mass>
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             <Filled>true</Filled>
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+            <Length Unit="m">0.0508</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BR-918 [R]</PartNumber>
             <Description>Balsa Reducer 9 to 18 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.009071847392</Mass>
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             <Filled>true</Filled>
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         <Transition>
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             <Description>Balsa Reducer BT-50 to BT-60</Description>
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             <Filled>true</Filled>
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+            <Length Unit="m">0.03175</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-5560A [R]</PartNumber>
             <Description>Balsa Reducer BT-55 to BT-60 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.008221361698999998</Mass>
+            <Mass Unit="kg">0.008221361698999998</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0415798</ForeOutsideDiameter>
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-            <AftOutsideDiameter>0.033655</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0325882</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.03175</Length>
+            <ForeOutsideDiameter Unit="m">0.0415798</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040513</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.033655</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0325882</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.03175</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-5565</PartNumber>
             <Description>Balsa Reducer BT-55 to BT-65</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.010772818778</Mass>
+            <Mass Unit="kg">0.010772818778</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.033655</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0325882</ForeShoulderDiameter>
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-            <AftOutsideDiameter>0.045618399999999996</AftOutsideDiameter>
-            <AftShoulderDiameter>0.044449999999999996</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.033655</ForeOutsideDiameter>
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+            <AftOutsideDiameter Unit="m">0.045618399999999996</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.044449999999999996</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-5565 [R]</PartNumber>
             <Description>Balsa Reducer BT-55 to BT-65 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.010772818778</Mass>
+            <Mass Unit="kg">0.010772818778</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.045618399999999996</ForeOutsideDiameter>
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-            <AftOutsideDiameter>0.033655</AftOutsideDiameter>
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-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.045618399999999996</ForeOutsideDiameter>
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+            <AftShoulderDiameter Unit="m">0.0325882</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6065</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-65</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006520390313</Mass>
+            <Mass Unit="kg">0.006520390313</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0415798</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040513</ForeShoulderDiameter>
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-            <AftOutsideDiameter>0.045618399999999996</AftOutsideDiameter>
-            <AftShoulderDiameter>0.044449999999999996</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0127</Length>
+            <ForeOutsideDiameter Unit="m">0.0415798</ForeOutsideDiameter>
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+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.045618399999999996</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.044449999999999996</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0127</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6065 [R]</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-65 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006520390313</Mass>
+            <Mass Unit="kg">0.006520390313</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.045618399999999996</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.044449999999999996</ForeShoulderDiameter>
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-            <AftOutsideDiameter>0.0415798</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040513</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.0127</Length>
+            <ForeOutsideDiameter Unit="m">0.045618399999999996</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.044449999999999996</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0415798</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040513</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.0127</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6070</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-70</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0415798</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040513</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.0563118</AftOutsideDiameter>
-            <AftShoulderDiameter>0.055244999999999995</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.0415798</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.040513</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0563118</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.055244999999999995</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6070 [R]</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-70 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0563118</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.055244999999999995</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.0415798</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040513</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.0563118</ForeOutsideDiameter>
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+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0415798</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040513</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6080</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-80</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0415798</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.040513</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.06604</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0649732</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.0415798</ForeOutsideDiameter>
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+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.06604</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0649732</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-6080 [R]</PartNumber>
             <Description>Balsa Reducer BT-60 to BT-80 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.06604</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0649732</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.0415798</AftOutsideDiameter>
-            <AftShoulderDiameter>0.040513</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.06604</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0649732</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0415798</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.040513</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-7080</PartNumber>
             <Description>Balsa Reducer BT-70 to BT-80</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.0563118</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.055244999999999995</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.06604</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0649732</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.0563118</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.055244999999999995</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.06604</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0649732</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>TA-7080 [R]</PartNumber>
             <Description>Balsa Reducer BT-70 to BT-80 – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.018427190015</Mass>
+            <Mass Unit="kg">0.018427190015</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.06604</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0649732</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>0.0563118</AftOutsideDiameter>
-            <AftShoulderDiameter>0.055244999999999995</AftShoulderDiameter>
-            <AftShoulderLength>0.0127</AftShoulderLength>
-            <Length>0.038099999999999995</Length>
+            <ForeOutsideDiameter Unit="m">0.06604</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0649732</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">0.0563118</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.055244999999999995</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0127</AftShoulderLength>
+            <Length Unit="m">0.038099999999999995</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-08542 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004252428464999999</Mass>
+            <Mass Unit="kg">0.004252428464999999</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.0</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.021589999999999998</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.10668</Length>
+            <ForeOutsideDiameter Unit="m">0.0</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.021589999999999998</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.10668</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1016 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.0034019427719999998</Mass>
+            <Mass Unit="kg">0.0034019427719999998</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.04064</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.04064</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1019 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.003685438003</Mass>
+            <Mass Unit="kg">0.003685438003</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.04826</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.04826</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1020E [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.003685438003</Mass>
+            <Mass Unit="kg">0.003685438003</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.0508</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.0508</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1022 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004252428464999999</Mass>
+            <Mass Unit="kg">0.004252428464999999</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.05588</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.05588</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1024 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004252428464999999</Mass>
+            <Mass Unit="kg">0.004252428464999999</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.06095999999999999</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.06095999999999999</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1031 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004252428464999999</Mass>
+            <Mass Unit="kg">0.004252428464999999</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.07874</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.07874</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1032 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004252428464999999</Mass>
+            <Mass Unit="kg">0.004252428464999999</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.08128</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.08128</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1037 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004535923696</Mass>
+            <Mass Unit="kg">0.004535923696</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.09398</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.09398</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1039 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.004819418927</Mass>
+            <Mass Unit="kg">0.004819418927</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.09906</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.09906</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1041 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.10413999999999998</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.10413999999999998</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1041G [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>CONICAL</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.10413999999999998</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.10413999999999998</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1041P [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005102914157999999</Mass>
+            <Mass Unit="kg">0.005102914157999999</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.10413999999999998</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.10413999999999998</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1045 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005386409389</Mass>
+            <Mass Unit="kg">0.005386409389</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.1143</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.1143</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1045P [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005386409389</Mass>
+            <Mass Unit="kg">0.005386409389</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.1143</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.1143</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1048 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.005386409389</Mass>
+            <Mass Unit="kg">0.005386409389</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.12191999999999999</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.12191999999999999</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1050 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.030900980179</Mass>
+            <Mass Unit="kg">0.030900980179</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.127</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.127</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1051 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.00566990462</Mass>
+            <Mass Unit="kg">0.00566990462</Mass>
             <Filled>true</Filled>
             <Shape>ELLIPSOID</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.12954</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.12954</Length>
         </Transition>
         <Transition>
             <Manufacturer>SEMROC Astronautics</Manufacturer>
             <PartNumber>BC-1052 [R]</PartNumber>
             <Description>Balsa Nose Cone – Reversed</Description>
             <Material Type="BULK">Balsa</Material>
-            <Mass>0.006236895082</Mass>
+            <Mass Unit="kg">0.006236895082</Mass>
             <Filled>true</Filled>
             <Shape>OGIVE</Shape>
-            <ForeOutsideDiameter>0.026416</ForeOutsideDiameter>
-            <ForeShoulderDiameter>0.0254</ForeShoulderDiameter>
-            <ForeShoulderLength>0.0127</ForeShoulderLength>
-            <AftOutsideDiameter>2.54E-6</AftOutsideDiameter>
-            <AftShoulderDiameter>0.0</AftShoulderDiameter>
-            <AftShoulderLength>0.0</AftShoulderLength>
-            <Length>0.13208</Length>
+            <ForeOutsideDiameter Unit="m">0.026416</ForeOutsideDiameter>
+            <ForeShoulderDiameter Unit="m">0.0254</ForeShoulderDiameter>
+            <ForeShoulderLength Unit="m">0.0127</ForeShoulderLength>
+            <AftOutsideDiameter Unit="m">2.54E-6</AftOutsideDiameter>
+            <AftShoulderDiameter Unit="m">0.0</AftShoulderDiameter>
+            <AftShoulderLength Unit="m">0.0</AftShoulderLength>
+            <Length Unit="m">0.13208</Length>
         </Transition>
     </Components>
 </OpenRocketComponent>