X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2F2017-batch-03.mdwn;h=49d89ace0c5923df034ff2561393b8959b110c3c;hp=b390854c016cf0344da0774710ff89edcf37208a;hb=557f233a4474d20b87760499970ce618588d680b;hpb=c3209ea421e038c69530f8f7e085d842dc212eda diff --git a/rockets/research/2017-batch-03.mdwn b/rockets/research/2017-batch-03.mdwn index b390854..49d89ac 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. +Liner should be cut to 10.00" long for this 6-grain reload. Simulation says: + + +
29mm 6-grain Erythritol #14
Rating:43% H-162Max Pressure:5.92 MPa (859 psi)
Total Impulse:216 NsSpecific Impulse:133 s
Max Thrust:206 NVolume Loading:70%
Average Thrust:162 NFuel Mass:165 g
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+ +

## 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-162Max Pressure:859 psi
Total Impulse:48.5 lbf·sSpecific Impulse:133 s
Max Thrust:46.4 lbfVolume Loading:70%
Average Thrust:36.4 lbfFuel Mass:5.82 oz
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- - - -
29mm 6-grain Erythritol #14
Rating:43% H-162Max Pressure:5.92 MPa
Total Impulse:216 NsSpecific Impulse:133 s
Max Thrust:206 NVolume Loading:70%
Average Thrust:162 NFuel Mass:165 g
null
- -

-