Re: Estes V@ rocket CG

what is the difference between an E15 and an E30?

E30 has faster burning propellant: more thrust, shorter duration.

-dave w

Reply to
David Weinshenker
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Thanks Dave. Sorry about misspelled subject. Anybody have ideas on my main problem?

Where should the center of gravty be > > what is the difference between an E15 and an E30?

Reply to
Thater

According to RockSim the Cg is 17.866" from the nose. Cp is 18.451. This is marginal at best. I added and E30 and it went unstable. I added 5oz of nose weight and the E30 took her 547f't/

Reply to
Al Gloer

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