X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2Ftest5.mdwn;h=22979dfd99d6416fd8165c8402f107f5c7025983;hp=4f2a59c6d642087c27ae8cdae8ed2ba220845e64;hb=557f233a4474d20b87760499970ce618588d680b;hpb=2a015179c8c68852e5d95da522b8adc26e2c18d1

diff --git a/rockets/research/test5.mdwn b/rockets/research/test5.mdwn
index 4f2a59c..22979df 100755
--- a/rockets/research/test5.mdwn
+++ b/rockets/research/test5.mdwn
@@ -4,10 +4,10 @@ Trying again using KNSO with our new casting bases.  We also have a real
 eye-dropper now for measuring the surfactant.  4 38mm grains of 
 1.875" length, 250 gram batch using formula of
 
-* 65% KNO3
-* 35% Sorbitol
-* 1% red iron oxide
-* 3 drops Polystep-B1 (1 drop per 100g being the general idea)
+* 65% KNO3, 162.5g
+* 35% Sorbitol, 87.5g
+* 1% red iron oxide, 2.5g, added after melt
+* 3 drops Polystep-B1, added before pour
 
 ## Process ##
 
@@ -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!