01-28-2019, 11:45 PM
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Flying since 1977
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Join Date: Oct 2010
Location: Middle TN
Posts: 452
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The K-36 Saturn V had clear plastic slip on fins that fit over the scale balsa fins. The clear fins were necessary because the back of the motor mount was at the bottom of the BT-101, rather than nearly 4" from the bottom like the Centuri KS-12, Estes 2001, and Estes 2157. I haven't seen the new Estes 1969 version yet, so I can't comment on it at this time.
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'Til next time,
Mike Toelle
NAR 31692 L1
SAM 0373
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