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Posted in response to 4th of July Rocks from Laura on July 03, 2007 at 23:39:30:

Re: 4th of July Rocks

Laura,

Actually there are three ingredients in black powder or gun powder. They are potasium nitrate (salt petre), sulfur, and charcoal. When I was a kid I made my own gunpowder and it was a real blast (pardon the pun) to actually watch it burn. I wanted to make my own model rockets but never made the right mixture for the fast burn rate I needed. I would not recommend anyone make this without being extremely careful in where you ignite it.

From Brooks - July 04, 2007 at 14:43:47

Message: 64519

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