Great Planes Shoestring GP/EP ARF - GPMA1328 - Manual (Page 8)

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4. Use the strings taped inside the aileron servo hatches
to pull the servo leads through the wing.
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5. Position the aileron servo hatch covers in place and drill
a 1/16" [1.6mm] hole through the mounting holes and into
the hatch mounting blocks. Thread a #2 x 3/8" [9.5mm] self-
tapping screw into each hole and back it out. Apply a drop
of thin CA to each hole to harden the wood surrounding the
hole. Install the hatch covers to the wings using eight #2 x
3/8" [9.5mm] self-tapping screws and eight #2 fl at washers.
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6. Thread a nylon clevis 20 complete turns onto each 4"
[102mm] pushrod. Slide a silicone clevis retainer onto each
clevis and connect the clevises to the outer holes of two
control horns.
Hinge Line Hinge Line
CORRECT INCORRECT
Hi
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7. Position the control horns over the plywood plates in
the ailerons (if you cannot see them, hold the aileron at a
shallow angle in good lighting or use a small pin to puncture
the covering) using the position of the servo arms as a
guide. Align the holes in the control horns directly over the
aileron hinge line and mark the location of the control horn
mounting holes.
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8. Drill 1/16" [1.6mm] holes at the marks you made
through the plywood plates. Do not drill all the way through
the ailerons! Thread a #2 x 1/2" [13mm] self-tapping screw
through each hole and back it out. Apply a couple drops of
thin CA glue to each hole to harden the wood. When the glue
has dried, install the control horns onto the ailerons using
four #2 x 1/2" [13mm] self-tapping screws.