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01-31-2006 | 07:34 PM

#8

P-40 DRIVER

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Joined: Apr 2005

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From: Cedar Park, TX

RE: Airfoil Numbers

What you we're told is correct. the minimum digit in the second column for a NACA 4 digit airfoil is 2, example N2215, This is according to my NACA airfoil generator software.

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