test results from Hartsel launch

[web/gag.com] / rockets / research / 2017-test-03.mdwn

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+# Test 2017-03 #
+
+3 grain 54mm sorbitol motor burned on the test stand at
+a Tripoli Colorado launch in Hartsel on 21 May 2017.
+
+With a 10.250" liner, 8.9mm nozzle throat, buna-n o-rings, simulation says
+this is a 25% J-432, 763 Ns, with about a 1.6 sec burn
+
+* Grain 2017-01-01, 176.1g gross, ?g net
+* Grain 2017-01-03, 187.6g gross, ?g net
+* Grain 2017-01-10, 190.3g gross, ?g net
+
+## Results ##
+
+Good data collected.  Also a more regressive looking burn than expected.  Still
+had slag accumulation, but was much easier to clean up thanks to grease in
+the forward closure pressure port.
+
+Flight data logged as TeleFireOne sn 3634, flight 4.