03-17-2017, 04:52 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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The rule of thumb for low subsonic (<500 mph) is 5 pounds force. No more than 10.
The nose cone has lower drag than the rear body with the fins, despite the frontal area drag. Lovelace effect.
Supersonic rockets use break bolts.
cite:
http://v-serv.com/usr/dd.htm
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