Piper J-3 Cub Power 46 ARF+ Manual - Hangar 9

Section 4: Servo Installation (Fuselage) Step 5Place a clevis retainer onto a clevis. Thread the clevisonto a 32" pushrod wire. Remove the backplate from acontrol horn, and then attach the clevis to the controlhorn. Slide the pushrod into the rudder pushrod tube inthe fuselage. Position the horn so the holes align with thehinge line. Use a felt-tipped pen to mark the positions forthe three mounting bolts. Step 6Drill the locations marked in the previous step usinga 3/32" drill bit. Place a few drops of thin CA intoeach of the holes to harden the balsa. Attach the controlhorn using three 2mm x 12mm screws and the controlhorn backplate. Step 7Plug in the rudder servo to the radio system. Center thetrims on the transmitter to center the rudder servo. Holdthe rudder in neutral. Use a felt-tipped pen to mark thepushrod wire where it crosses the servo arm.Align holes with hinge line20