X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2Ftest5.mdwn;h=22979dfd99d6416fd8165c8402f107f5c7025983;hp=3ea00f5a009df05739bec5c23fc2c868c7a530f9;hb=cd15f9c453456cf18f5654c231f4d37602a1a267;hpb=adeb37527e579c29bdac8a4a1dfe06b0e5d5ec30 diff --git a/rockets/research/test5.mdwn b/rockets/research/test5.mdwn index 3ea00f5..22979df 100755 --- a/rockets/research/test5.mdwn +++ b/rockets/research/test5.mdwn @@ -65,9 +65,11 @@ Motor : H170 These four grains were assembled in an AT 38/480 case with a random AT delay grain from the pile of left-overs, and flown in Robert's Madcow -Little John at Tripoli Colorado Spring Fling 2015. We used a Slim Gem -igniter from Quickburst. Great flight! The motor seemed to come up to -pressure quickly, and burned brilliantly. +Little John at Tripoli Colorado Spring Fling 2015. We used a +[Slim Gem](http://www.quickburst.net/slim_gem_igniter.htm) +igniter from [Quickburst](http://www.quickburst.net/). Great +flight! The motor seemed to come up to pressure quickly, and burned +brilliantly. The airframe weighed 1200 grams ready to launch, and 982 grams post-flight, of which 1g or so was BP in the ejection charge, and a few grams were in @@ -97,4 +99,6 @@ seconds after coming up to pressure. The regressive curve seems a bit exagerated in the flight accel data, which seems completely explainable by the nozzle throat erosion causing pressure to faill during that period. -Pretty cool for our first real flight test! +The airframe saw an average of 12 G acceleration on the way to Mach 0.6 and +2838 feet above the laucnh site which is at 8800 feet MSL. Perfect +recovery! Pretty cool for our first real flight test!