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Symetrical Aileron Design:

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jerr888

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What makes ailerons hinged at about 33% more effective than those pivoting about their nose, as in Pitts S2B?
At full deflection, both should have little bleed through.
It appears adding an inch of length to aileron chord is a good thing.
Pivoting further forward would deflect more chord into the airstream.
Is it that the requirement for an aileron counterbalance device somewhat negates the effect because of it's increased drag?
Also: What does adding an inch to the trailing edge of the wing have on it's airfoil characteristics? Any different than just adding an inch to the aileron and leaving the wing alone?
 

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