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Old 03-03-2009 | 09:18 AM
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topspeed
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From: Oulu, FINLAND
Default RE: Flat plate equivalent area ?

ORIGINAL: HighPlains



Use a prop efficiency of 80 to 85%.

But Tom Aberle's new prop has 92% efficiency...I rather use that. Look for the thread in www.aafo.com about Phantom.

Thanks for the nomograph.