clean up some file details
authorBdale Garbee <bdale@gag.com>
Thu, 1 Jun 2017 02:58:33 +0000 (20:58 -0600)
committerBdale Garbee <bdale@gag.com>
Thu, 1 Jun 2017 02:58:33 +0000 (20:58 -0600)
rockets/research/2017-batch-02.mdwn
rockets/research/2017-batch-03.mdwn

index 9825e38..71add02 100755 (executable)
@@ -43,9 +43,8 @@ These igniters were made on 17 May 2017.
 
 They didn't work.  The basic problem is that the pyrogen on the Chinese 
 e-matches is aggressive enough that they blow the end of the epoxy fire
-cylinder apart without igniting the rest of the igniter.  Might be worth
-trying again using home-made bridge wires on shooter wire ends instead of 
-starting with a commercial e-match?
+cylinder apart without igniting the rest of the igniter.  Next time we'll
+try with home-made bridge wires on shooter wire.
 
 ## Observations ##
 
index b390854..00da1b0 100755 (executable)
@@ -18,6 +18,8 @@ Liner should be cut to 10.00" long for this 6-grain reload.
 
 ## Results ##
 
+Average casting tube mass 1.13g.
+
 * Grain 1, ?g gross, ?g net
 * Grain 2, ?g gross, ?g net
 * Grain 3, ?g gross, ?g net
@@ -29,11 +31,7 @@ With a 10.00" liner, 14/64" nozzle throat, buna-n o-rings, simulation says
 this makes a 37% H-156, 208 Ns, with about a 1.2 sec burn.
 
 <!--Begin motor 29mm 6-grain Erythritol #14 HTML export from MotorSim-->
-<table class='motor' style='text-align: left; border: 1px solid black'><tr><th colspan='6' class='title'>29mm 6-grain Erythritol #14</th></tr><tr class='summary'><th>Rating:</th><td>43% H-162</td><th>Max Pressure:</th><td>859 psi</td></tr><tr class='summary'><th>Total Impulse:</th><td>48.5 lbf·s</td><th>Specific Impulse:</th><td>133 s</td></tr><tr class='summary'><th>Max Thrust:</th><td>46.4 lbf</td><th>Volume Loading:</th><td>70%</td></tr><tr class='summary'><th>Average Thrust:</th><td>36.4 lbf</td><th>Fuel Mass:</th><td>5.82 oz</td></tr><tr><td colspan='4' class='thrust'><img src='http://chart.apis.google.com/chart?chxt=x,x,y,y,r,r&chs=400x200&cht=lxy&chco=3072F3&chds=0,1.36,0,206.37&chxr=0,0,1.36|2,0,206.37|4,0,46.39&chd=t:0,0,0.03,0.07,0.11,0.17,0.25,0.36,0.52,0.69,0.73,1.05,1.2,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.27,1.36|0,11.17,113.77,132.54,140.92,151.05,164.61,181.51,198.8,206.37,206.02,177.47,152.17,142.48,132.97,123.64,114.51,105.58,96.88,88.42,80.21,1.09,0&chxl=1:|s|3:|N|5:|lbf&chxp=1,50|3,50|5,50' width='400' height='200' alt='null' /></td></tr></table>
-<!--End motor 29mm 6-grain Erythritol #14-->
-
-<!--Begin motor 29mm 6-grain Erythritol #14 HTML export from MotorSim-->
-<table class='motor' style='text-align: left; border: 1px solid black'><tr><th colspan='6' class='title'>29mm 6-grain Erythritol #14</th></tr><tr class='summary'><th>Rating:</th><td>43% H-162</td><th>Max Pressure:</th><td>5.92 MPa</td></tr><tr class='summary'><th>Total Impulse:</th><td>216 Ns</td><th>Specific Impulse:</th><td>133 s</td></tr><tr class='summary'><th>Max Thrust:</th><td>206 N</td><th>Volume Loading:</th><td>70%</td></tr><tr class='summary'><th>Average Thrust:</th><td>162 N</td><th>Fuel Mass:</th><td>165 g</td></tr><tr><td colspan='4' class='thrust'><img src='http://chart.apis.google.com/chart?chxt=x,x,y,y,r,r&chs=400x200&cht=lxy&chco=3072F3&chds=0,1.36,0,206.37&chxr=0,0,1.36|2,0,206.37|4,0,46.39&chd=t:0,0,0.03,0.07,0.11,0.17,0.25,0.36,0.52,0.69,0.73,1.05,1.2,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.27,1.36|0,11.17,113.77,132.54,140.92,151.05,164.61,181.51,198.8,206.37,206.02,177.47,152.17,142.48,132.97,123.64,114.51,105.58,96.88,88.42,80.21,1.09,0&chxl=1:|s|3:|N|5:|lbf&chxp=1,50|3,50|5,50' width='400' height='200' alt='null' /></td></tr></table>
+<table class='motor' style='text-align: left; border: 1px solid black'><tr><th colspan='6' class='title'>29mm 6-grain Erythritol #14</th></tr><tr class='summary'><th>Rating:</th><td>43% H-162</td><th>Max Pressure:</th><td>5.92 MPa (859 psi)</td></tr><tr class='summary'><th>Total Impulse:</th><td>216 Ns</td><th>Specific Impulse:</th><td>133 s</td></tr><tr class='summary'><th>Max Thrust:</th><td>206 N</td><th>Volume Loading:</th><td>70%</td></tr><tr class='summary'><th>Average Thrust:</th><td>162 N</td><th>Fuel Mass:</th><td>165 g</td></tr><tr><td colspan='4' class='thrust'><img src='http://chart.apis.google.com/chart?chxt=x,x,y,y,r,r&chs=400x200&cht=lxy&chco=3072F3&chds=0,1.36,0,206.37&chxr=0,0,1.36|2,0,206.37|4,0,46.39&chd=t:0,0,0.03,0.07,0.11,0.17,0.25,0.36,0.52,0.69,0.73,1.05,1.2,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.21,1.27,1.36|0,11.17,113.77,132.54,140.92,151.05,164.61,181.51,198.8,206.37,206.02,177.47,152.17,142.48,132.97,123.64,114.51,105.58,96.88,88.42,80.21,1.09,0&chxl=1:|s|3:|N|5:|lbf&chxp=1,50|3,50|5,50' width='400' height='200' alt='null' /></td></tr></table>
 <!--End motor 29mm 6-grain Erythritol #14-->
 </p>