Graham Singleton wrote:
> I used to try and get Don (and Ivan) to explore wing tip design but he
> never would, he felt that in the cruise the induced drag was so low
> (because of the wing area) that it wasn't worth the troublel; probably
> true for the cruise but not true for climb.
I recall having read somewhere that for the speeds reached by
GA-aircraft, any improvements by winglets etc. is countered by the
additional drag (frontal area, friction drag). If you see winglets, it
is usually the result of fashion, not science.
--
Frans Veldman
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