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No problem making the aileron trim tab like the elevator trim tab.  Just very
small area to work in.  The general wisdom is to make the trim tab about 50%
larger than the original factory recommendation inasmuch as the factory unit
was not sufficiently effective.  Moreover, the trim tab in the aileron does
not have as much leverage as the factory one that trails behind the traling
edge.  I made mine 1.5 in. by 12 in.

For a hinge, I recommend that you use the El Primo (my opinion) carbon piano
hinge made by John Barrett (the "2thman@olympus.net" - John is a dentist with
interests on the side).  John posts here periodically.  Cut it down in width
by about 50% and bond in place with Hysol and flox.  It is much lighter than
the aluminum hinge, has Teflon lining in which the hinge pin rotates, and can
be bonded with confidence unlike the aluminum hinge.  I believe that John
gets about $25/foot for the hinge material, and it is worth it.

Fred
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