Hangar 9 J-3 Piper Cub Instruction Manual page 13

Section 3: Installing the Aileron Linkages
Step 5. Once you're satisfied with the control horn location
(remember, it should be a straight line from the servo arm to the
control horn), mark the location with a felt-tipped pen or pencil.
Note the linkage makes a 90-degree angle at the servo arm, and
at the center line of the hinge line of the aileron to wing.
Step 6. Using a 1/16" drill bit, drill the screw holes for mount-
ing the control horn. Since the aileron is balsa, we recommend
applying thin CA glue into the aileron through the drilled holes
to saturate and stiffen the balsa in the mounting area. Note: It
may be necessary to re-drill the holes after the CA has cured.
Step 7. Attach the control horn to the aileron using the screws
provided and a plastic plate. Be careful not to accidentally punc-
ture the covering with the Phillips screwdriver.
Step 8. Repeat the process for the remaining aileron.
CONTINUED
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