## Results ##
-The batch size was pretty good, there was a bit of excess propellant in each
-batch so we can make density and burn rate measurements after cure. The excess
-weighed in at g after cure.
-
-Grains were cut, core drilled to 0.625", and sanded more or less ala Terry's
-process. In the data below, lengths are a bit approximate due to imperfectly
-squared ends, gross masses are precise using my new 600g by 0.01g scale!
-
Batch with RIO:
-* Grain 1, " long, g gross, g casting tube, g net
-* Grain 2, " long, g gross, g casting tube, g net
-* Grain 3, " long, g gross, g casting tube, g net
-* Grain 4, " long, g gross, g casting tube, g net
-* Grain 5, " long, g gross, g casting tube, g net
-* Grain 6, " long, g gross, g casting tube, g net
+* Grain 1, " long, 0.5" core, g gross, g casting tube, g net
+* Grain 2, " long, 0.5" core, g gross, g casting tube, g net
+* Grain 3, " long, 0.5" core, g gross, g casting tube, g net
+
+* Grain 4, " long, 0.625" core, g gross, g casting tube, g net
+* Grain 5, " long, 0.625" core, g gross, g casting tube, g net
+* Grain 6, " long, 0.625" core, g gross, g casting tube, g net
Batch without RIO:
-* Grain 7, " long, g gross, g casting tube, g net
-* Grain 8, " long, g gross, g casting tube, g net
-* Grain 9, " long, g gross, g casting tube, g net
-* Grain 10, " long, g gross, g casting tube, g net
-* Grain 11, " long, g gross, g casting tube, g net
-* Grain 12, " long, g gross, g casting tube, g net
+* Grain 7, " long, 0.5" core, g gross, g casting tube, g net
+* Grain 8, " long, 0.5" core, g gross, g casting tube, g net
+* Grain 9, " long, 0.5" core, g gross, g casting tube, g net
+
+* Grain 10, " long, 0.625" core, g gross, g casting tube, g net
+* Grain 11, " long, 0.625" core, g gross, g casting tube, g net
+* Grain 12, " long, 0.625" core, g gross, g casting tube, g net
The mass per unit length was within ?g/inch.