02-28-2014, 10:59 PM
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CG to close to CP
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Join Date: Nov 2006
Location: OKC
Posts: 261
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Quote:
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Originally Posted by Shreadvector
Plastic model unprotected by internal body tube will melt from ejection charge and delay afterburn (which looks like a highway flare flame coming out of the top of the motor after the ejection charge has fired).
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I Might be able to survive this, as I said I would paint the inside of the rocket body with epoxy, but I could also leave about 2 in of 20mm tube above the motor mount, and put a baffle in it, not a big one, but basically two, or even three, just over half moon heavy cardstock "plugs" just opposite each other about 1/4 in apart in the 20mm tube. |
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