X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2F2019-test-3.mdwn;fp=rockets%2Fresearch%2F2019-test-3.mdwn;h=e4b095fbb3e545b3ac5bf7e1efea8bed67200981;hp=0000000000000000000000000000000000000000;hb=3b128d35206fd6eb49713e705fe28b9d34b83aad;hpb=f76ce22c1f66cb8ce3f970cfeb56cb5a17fb3ed9 diff --git a/rockets/research/2019-test-3.mdwn b/rockets/research/2019-test-3.mdwn new file mode 100755 index 0000000..e4b095f --- /dev/null +++ b/rockets/research/2019-test-3.mdwn @@ -0,0 +1,21 @@ +# Test 2019-3 # + +Re-starting the process of characterizing "Everclear" now that we have a new +1600psi pressure sensor on the test stand. + +This was a 2-grain 54mm Everclear motor using a #24 nozzle. Ignition was +with one of Terry's igniters, on Saturday at the Tripoli Colorado Spring +Fling event near Hartsel. + +The grains used were from the 21 May 2019 batch: + +* 21 May grain 4 +* 21 May grain 12 + +Small profile o-rings were used between grains, leaving the grains still +slightly "loose" in the case. The buna-n o-rings on the nozzle and forward +closure were lightly greased, and the liner exterior was heavily greased. + +## Results ## + +Test stand data in 2019-05-25-serial-3634-flight-0029.eeprom.