09-29-2017, 06:38 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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Quote:
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Originally Posted by blackshire
I wasn’t aware of that slight BT-60 length difference.
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Estes is long on tube length variances over the years. They have a surprising number of diameters, some of which make sense (Centuri ST-13 Astrocam) and some of which do not (BT-52/56).
Jerry |