check this out

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shockie B)
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shockwaveriderz
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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.
Reply to
Kurt Kesler
The link is down... lol.
~ Duane Phillips.
Reply to
Duane Phillips

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