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Message: <blockquote data-quote="max" data-source="post: 2412147" data-attributes="member: 215781"><p>I was hopping someone would know something about homemade rocket engines I looked online ( Youtube ) and found there were lots of different chemicals to use like potassium nitrate or calcium chlorate and some others. I just was not sure which one was best. If you know which chemical is best for small rockets could you tell me what to mix it with and how much? thank you so much you have no Idea how much this helps!</p></blockquote><p></p>