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Old Aug 02, 2010, 08:15 PM
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B for Bruce
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The 'Wack, BC, Canada
Joined Oct 2002
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Six of one and half a dozen of the other. Aside from the dihedral issue Norm noted the only thing to remember is "out" is leading edge lower and "in" is leading edge higher. I like to think of it as Washout is taking incidence OUT of the tip or lowering the incidence whereas WashIN is putting IN incidence at the tip. Whether you do this at the leading edge or the trailing edge it really doesn't matter.
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