X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=rockets%2Fresearch%2Ftest5.mdwn;h=4f2a59c6d642087c27ae8cdae8ed2ba220845e64;hp=23f80a1ce2cf9c9f5b539fd5786ea198a1d65595;hb=2a015179c8c68852e5d95da522b8adc26e2c18d1;hpb=a14ba311ab903887ab759c867464c5cea1a0a608

diff --git a/rockets/research/test5.mdwn b/rockets/research/test5.mdwn
index 23f80a1..4f2a59c 100755
--- a/rockets/research/test5.mdwn
+++ b/rockets/research/test5.mdwn
@@ -2,12 +2,12 @@
 
 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, using formula of
+1.875" length, 250 gram batch using formula of
 
 * 65% KNO3
 * 35% Sorbitol
 * 1% red iron oxide
-* 3 drops Polystep-B1 
+* 3 drops Polystep-B1 (1 drop per 100g being the general idea)
 
 ## Process ##
 
@@ -81,7 +81,9 @@ point.
 
 ## Observations ##
 
-Pour went really smoothly.  One grain looked "perfect" with the propellant
+Pour went really smoothly.  Easier than previous batches, perhaps due to
+a bit more surfactant, perhaps just getting better, perhaps due to putting
+the mandrels in post-pour.  One grain looked "perfect" with the propellant
 settled evenly and a couple mm of open gap at the top of the casting 
 tube.  We think this one may have been slightly under-filled compared to
 the others, all of which had some evidence of propellant sticking to the