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03-03-2009 | 09:09 AM

#12

HighPlains

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From: Over da rainbow, KS

RE: Flat plate equivalent area ?

0.88 sq. ft. is the equivalent flat plate area for the AR-5. That is the sum of the total drag.

A nomograph that relates hp, speed, and flat plate drag is useful.

Use a prop efficiency of 80 to 85%.

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