12-13-2018, 10:56 PM
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Retired with Way Too Many Kits
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Join Date: Jun 2007
Location: Colorado
Posts: 3,223
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How about brushing a coat of epoxy onto the inner surfaces? That should at least act like an ablative coating. I typically use CA on cardboard motor tubes if they are standard tubes, figuring I might be lucky and actually have the rocket last long enough to worry about motor tube burnthru.
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Lee Reep
NAR 55948
Projects: Semroc Saturn 1B, Ken Foss Designs Mini Satellite Interceptor
In the Paint Shop: Nothing! Too cold!
Launch-Ready: Farside-X, Maxi Honest John, Super Scamp
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