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Old April 21st 09, 07:52 AM posted to rec.aviation.homebuilt
Ron Wanttaja[_2_]
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Default NTSB Safety Alert CH 601

John Kimmel wrote:

The Zenair Zodiac uses wing warping. (They call it a "hingeless
aileron").


Not all of them. Zenair has offered a piano-hinged aileron for quite a
while...the SLSA version of the CH601 uses 'em, and some kit builders
have opted for them. Two of the wing-failure accidents involved SLSA
Zenairs, which have the piano hinges. Haven't heard the type of
ailerons for the others.

Ron Wanttaja