Great Planes Shoestring GP/EP ARF - GPMA1328 - Manual (Page 12)

12
INSTALL THE TAIL SERVOS
AND PUSHRODS
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1. Temporarily insert a 2-56 x 36" [914mm] pushrod
into each elevator pushrod exit slot. Use the position of
the pushrods to align the elevator control horns onto the
undersides of the elevator halves. Mark the locations of the
control horn mounting holes onto the elevator halves and
drill 5/64" [2mm] holes at the marks. Attach the elevator
control horns to the elevators using four 2-56 x 5/8" [16mm]
machine screws and the control horn backplates.
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2. Install a control horn onto the right side of the rudder in
the same manner.
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3. Install the elevator and rudder servos onto the servo
tray in the direction and positions shown using the hardware
supplied with the servos. Note that the pushrods are used to
position the servos on the tray. Be sure to harden the screw
holes with thin CA as was done with the aileron servos.
Cut three arms from two four-armed servo arms. Center
the servos with your radio system and install them onto the
servos with the servo screws. Enlarge the outer holes of
each servo arm with a 5/64" [2mm] drill bit.
❏
4. Thread a nylon clevis and silicone clevis retainer onto
a 2-56 x 36" [914mm] pushrod 20 complete turns. Slide the