Paul wrote:
Mike Borgelt wrote after some heavy snipping:
(the infamous Glasflugel aileron drive problem - Murphy's Law at work).
Mike
Mike, would you mind expanding on that please, this is not a loaded
question, I would just like to know.
Thank you
Paul Bart
Glasflugel designed a "gimbal" drive method to transfer the pushrod
movement parallel to the spar to the up and down movement required by
the aileron. This gave a very compact drive system which didn't need any
protruding covers for push-rods or drive horns. However, these gadjets
were in right and left handed versions, and could be installed in the
wrong wing, leading to reversed aileron travel.
Most pilots find this too challenging...
GFA now has an AD (AD460) which requires that these drive gimbal units
be colour-coded to match colour-coded mounting positions in the wings.
It is always instructive to remember that most (all?) of the accidents,
caused by the incorrect assembly, followed checks for CORRECT CONTROL
OPERATION by several experienced pilots...
John G.
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