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Old 2nd March 2005, 04:58
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George Hopp George Hopp is offline
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Wing profile for the Bf 108 "Typhoon"

We know that the wing profile for the Bf 109 was NACA 2R1, with a thickness of 14.2% at the wing roots, and 11% at the wingtips. But , does anyone know the comparable values for the Bf 108, since apparently, Prof. Messerschmitt wanted to use its wing shape for the Bf 109.
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Old 12th March 2005, 04:08
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Bf 108 wing profile

Thanks to Erl Cromie, I have found out that the profile for the 108 was NACA 2416 at the wing root, and NACA 2413 at the wingtip. This I have since confirmed through a manual on the a/c. Interestingly, I am finding that the last 2 letters of the NACA number stand for the wing thickness at that point, ie. 16% and 13%. So, what do the first 2 numbers stand for, simply the curve number?

Additionally, while Messerschmitt said the wing profile was 2R1 14.2 and 2R1 11, its full designation, according to Erl, was probably NACA 2314.2 and NACA 2311.

George
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