formatting link
shockie B)check this out
Jan 05, 2004
2 Replies
example from page: "An ammonium perchlorate mixture was used and impacted with mechanical energy to simulate a large quantity of propellant in a free fall from 460 m (1500 ft) altitude."
Don't see how NASA chunking 55 gallon drums of AP out of helicopters is relevant to hobby rocketry.
The link is down... lol.
~ Duane Phillips.
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