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<<Compared to aileron balancing, my elevators are turning out to be a
challenge, the simple reason being that with the ailerons, the center of
mass is significantly below the hinge line. The elevator hinges are on the
centerline (or at least they are supposed to be). My hinges turn out to be a
hair low, thus the elevator center of mass is above the hinge line and I
cannot get the counterweight arm to stay in position at about 3/4" below the
HS before applying paint (I'll call this the reverse pendulum effect). When
the elevator is deflected up or down, it tends to want to keep on going
(slowly) to full deflection...
Thanks,
Angier Ames>>
Wouldn't it be a lot easier to balance to a specified moment? That way I
could put a specific weight at a specific distance from the hinge line and
it would balance horizontal. Angier is right, doing it to a magic "3/4
drop" is not reasonable - and makes it a lot harder than it should be.
Gary Casey
ES #157, everything built, nothing balanced
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