10-02-2007, 11:08 PM
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SPEV/Orion wrangler
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Join Date: Mar 2005
Location: Atlanta, GA
Posts: 2,645
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Black powder is a classic mixture of 15% charcoal, 10% sulfur, and 75% saltpeter (potassium nitrate). Not that secret, though they may occasionally change the percentages very slightly for various reasons, or add burn-rate modifiers for the delay charge.
Not a good idea to try to make it yourself.
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Roy
nar12605
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