X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=rockets%2Fresearch%2F2017-batch-03.mdwn;h=200bd2ec4c683e8dce71c8811ab9d5cf57507caf;hb=4958d33687bbd22dbcef81293db00ab749b12536;hp=b390854c016cf0344da0774710ff89edcf37208a;hpb=c3209ea421e038c69530f8f7e085d842dc212eda;p=web%2Fgag.com
diff --git a/rockets/research/2017-batch-03.mdwn b/rockets/research/2017-batch-03.mdwn
index b390854..200bd2e 100755
--- a/rockets/research/2017-batch-03.mdwn
+++ b/rockets/research/2017-batch-03.mdwn
@@ -14,10 +14,17 @@ increased during melting to 300F indicated.
These grains were cast on 31 May 2017.
-Liner should be cut to 10.00" long for this 6-grain reload.
+Simulation says:
+
+
+
29mm 6-grain Erythritol #14 |
---|
Rating: | 43% H-162 | Max Pressure: | 5.92 MPa (859 psi) |
---|
Total Impulse: | 216 Ns | Specific Impulse: | 133 s |
---|
Max Thrust: | 206 N | Volume Loading: | 70% |
---|
Average Thrust: | 162 N | Fuel Mass: | 165 g |
---|
|
+
+
## 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
@@ -28,12 +35,3 @@ Liner should be cut to 10.00" long for this 6-grain reload.
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.
-
-29mm 6-grain Erythritol #14 |
---|
Rating: | 43% H-162 | Max Pressure: | 859 psi |
---|
Total Impulse: | 48.5 lbf·s | Specific Impulse: | 133 s |
---|
Max Thrust: | 46.4 lbf | Volume Loading: | 70% |
---|
Average Thrust: | 36.4 lbf | Fuel Mass: | 5.82 oz |
---|
|
-
-
-
-29mm 6-grain Erythritol #14 |
---|
Rating: | 43% H-162 | Max Pressure: | 5.92 MPa |
---|
Total Impulse: | 216 Ns | Specific Impulse: | 133 s |
---|
Max Thrust: | 206 N | Volume Loading: | 70% |
---|
Average Thrust: | 162 N | Fuel Mass: | 165 g |
---|
|
-
-
-