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#16
August 8th 07, 07:06 PM
posted to rec.aviation.piloting
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props: tractor v pusher, q tip, ducted?
Jim Morgans wrote
OK. I have always heard the approximate rule for good cooling is double the intake size for the exit size. Guess it doesn't transfer to expansion. Did you mean to write, "... double the exit size for the intake size?" If not, you lost me. 
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