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Scratch Built F4F Wildcat by bsadonkill. Viewed 696 times.
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bsadonkill15-Jan-21 12:13
A 1/8 inch rise divided by a 4 inch run equals a tangent of 1/32 or 0.03125 . A tangent of 0.03125 gives an angle of 1.8 degrees for a positive angle of attack .
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