02-15-2019, 06:31 PM
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Join Date: Dec 2007
Location: Needville and Shiner, TX
Posts: 6,134
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Quote:
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Originally Posted by ghrocketman
Maybe 3 D21-4s would work better.
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Which equals more tail weight and thus requires more nose weight to correct the CG/CP relationship... more nose weight means slower acceleration and more impulse required to achieve a given level of performance (speed/altitude). Thus it can become a "vicious circle"... (similar to the Ares V debacle).
Sometimes it's best to just make the fins a little bigger... 
Later! OL J R
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