From 05222e7c72a1d45c60e96d3dd8fa1865af2a0b35 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Sat, 7 Oct 2017 10:25:27 -0600 Subject: [PATCH 1/1] capture grain batch numbers --- rockets/research/2017-test-12.mdwn | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/rockets/research/2017-test-12.mdwn b/rockets/research/2017-test-12.mdwn index 24ebc6a..69cf885 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. -- 2.30.2