AeroWorks 75cc YAK-54 ARF-QB Assembly Manual page 13

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2. From that mark measure 1/2" toward the wing
tip and mark the leading edge of the aileron as
shown. This mark will be the center of the ai-
leron control horn.
Note: The control horn mounting holes may have
been factory drilled for you. If so, go to the
next step.
3.
Gather the aileron control linkage parts as
shown below. There are 2 pushrods, 4 ball
link assemblies, 2 left and 2 right side control
horns, and 12 wood screws for each wing
panel.
4.
Assemble two pushrod and control horn
assemblies as shown. The ball link goes
between the left and right sides of the control
horn sides and is secured with a nylon lock nut.
IMPORTANT: The ball link for the inboard
control horn goes in the bottom hole of the
horn. The ball link for the outboard horn goes
in the middle hole of the horn. This gives the
correct offset to eliminate binding and twisting
of the aileron.
5. Tape the inboard trailing edge of the aileron to
the trailing edge of the wing in the neutral posi-
tion. Plug the servo into the receiver and turn on.
Ensure the servo is centered and the servo arm is
parallel to the aileron hinge line. Attach front
ball link to servo arm. Adjust the length of the
pushrod so that the leading edge of the control
horns are aligned with the bottom leading edge
of the aileron. Center the control horn over the
mark as shown.
Note: If the control horn holes are factory drilled,
align the control horns over pre-drilled holes.
13

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