10-24-2018, 12:32 PM
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Freeform rocketry advocate.
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Join Date: Jan 2008
Location: Claremont, CA "The intellectual capitol of the world."-WSJ
Posts: 3,780
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24mm high thrust D and 13mm B. Estes does not use mounts that allow different length motors so the B is unlikely. The D is immediately practical in an E case.
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