From f9e6407fa3bc3b2d96c9b6f31f07d17e4113d370 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Sat, 30 May 2015 22:25:03 -0600 Subject: [PATCH] more details --- rockets/research/index.mdwn | 1 + rockets/research/test1.mdwn | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/rockets/research/index.mdwn b/rockets/research/index.mdwn index 21961eb..5f438d4 100755 --- a/rockets/research/index.mdwn +++ b/rockets/research/index.mdwn @@ -5,6 +5,7 @@ * [Richard Nakka's Site](http://www.nakka-rocketry.net/) * [Scott Jolley's Site](http://ajolleyplace.com/scott.html) * [Scott Fintel's Site](http://www.thefintels.com/aer/rocketindex.htm) +* [James Yawn's Site](http://jamesyawn.net/index.htm) ## Test Log ## diff --git a/rockets/research/test1.mdwn b/rockets/research/test1.mdwn index c316b7f..3fc11cb 100755 --- a/rockets/research/test1.mdwn +++ b/rockets/research/test1.mdwn @@ -58,3 +58,14 @@ actually. About 4 hours later, the card stock was pulled off the test strand, which proved to still be a bit on the pliable and "tacky" surface side. + +## Observations ## + +After casting, further reading on Nakka's site indicates initial melt is +at about 91C, or 196F. Fully melted at 125C, or 257F. Discoloration at +175C, or 347F. + +Nakka says wait 24 hours before trying to pull the core rod. The propellant +will remain pliable after cooling, thus can be deformed if handled sooner. + + -- 2.30.2