Section 12: Installing The Linkages - Hangar 9 J-3 Piper Cub Assembly Manual

Section 11: Installing The Radio
5. The switch can be installed in the left side of the fuselage
(typical installation). Or a cut-out is provided in the radio
tray, allowing you to mount the switch internally and
permitting a small wire to extend through the fuselage
side for an improved scale appearance.

Section 12: Installing The Linkages

Parts Needed
Balsa dowels
Fuselage
Heat shrink tubing
1/16" threaded rod (4)
1. Turn the fuselage upside down, measure over 3/4" from
the rudder and make a mark on the elevator with a felt
tipped pen (as shown). Mark the other elevator half in the
same way, 3/4" from the rudder. This marks the center
position of the elevator control horn.
1/16" plain rod (2)
Plastic clevis (4)
Control horns w/hardware (3)
6. Hook up the servos and switch harness to the receiver and
the battery pack as per the instructions included with your
radio system. Turn on your transmitter and receiver and
center the trims on your transmitter. Turn off the receiver
and then turn off the transmitter, in that order.
Tools And Adhesives Needed
Thick CA glue
Hobby knife
Drill
Needle nose pliers
1/16" drill bit Z-bend pliers
Heat gun Felt tipped pen
2. Place the control horn on the elevator at the mark from
Step 1 exactly in the center of the control horn. Mark the
hole positions of the control horn with a pencil and drill
two 1/16" holes in each elevator half.
CONTINUED
Pencil
Small Phillips
screwdriver
Measuring device
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