X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2F2017-test-12.mdwn;h=ba35937b2a8ca188c6a2447bb508b3dd7294d3c2;hp=24ebc6af4de2bdace173cc9309d5f18ae26509e8;hb=2045150506d8f63d150c97bba4a407b3b97546b4;hpb=f165298afe00182b962ed7fb5b1d806f542e6cec diff --git a/rockets/research/2017-test-12.mdwn b/rockets/research/2017-test-12.mdwn index 24ebc6a..ba35937 100755 --- a/rockets/research/2017-test-12.mdwn +++ b/rockets/research/2017-test-12.mdwn @@ -21,11 +21,11 @@ Simulation says this is a 57% L-1366 with 3804 Ns total impulse, 797 psi max, Neglected to re-weigh grains after trimming and before epoxying into the liner. These were the pre-trim masses: -* Grain 1, 590g gross, 574g net, trimmed to 4.5" long -* Grain 2, 594g gross, 578g net, trimmed to 4.5" long -* Grain 3, 592g gross, 576g net, trimmed to 4.5" long -* Grain 4, 584g gross, 568g net, trimmed to 4.4375" long -* Grain 5, 580g gross, 564g net, cut to 4" long +* Grain 2017-7-1, 590g gross, 574g net, trimmed to 4.5" long +* Grain 2017-7-2, 594g gross, 578g net, trimmed to 4.5" long +* Grain 2017-7-3, 592g gross, 576g net, trimmed to 4.5" long +* Grain 2017-7-4, 584g gross, 568g net, trimmed to 4.4375" long +* Grain 2017-7-5, 580g gross, 564g net, cut to 4" long Total propellant load thus somewhat less than 2860g. @@ -36,4 +36,5 @@ trimming excess casting tube away. Fifth one was cut in miter box with saw. O-rings made forward closure a *very* snug fit. -Flight data logged as ? sn ?, flight ?. +Flight data logged as sn 3121, flight 3 on 2017-10-08. 8353 ft apogee, Mach 0.7, 3.4 sec boost. +