Hangar 9 P-47 Thunderbolt Assembly Manual page 31

 
Step 6
Center the elevator servo electronically using the radio
system. Install a servo arm onto the elevator servo. Attach
the pushrod with clevis to the control horn. Physically
place the elevator control surface in neutral. Mark the
pushrod where it crosses the holes in the servo arm.
 
Step 7
Bend the wire 90 degrees at the mark made in the
previous step. Cut the wire 3/8" above the bend. Slide
the wire through the outer hole in the elevator servo arm.
Secure the wire using a nylon wire keeper. It may be
necessary to drill out the hole in the servo arm using a
5/64" drill bit.
Note: Use a 1/4" piece of heat shrink
tubing on the clevis to keep it from opening
during flight.
Section 13: Linkage Installation

Step 8
Repeat Steps 1 through 7 for the rudder linkage.
 
Step 9
Remove the back plate from a control horn using side
cutters or a sharp hobby knife. Position the control horn
on the aileron so the horn aligns with the aileron servo
horn and the aileron hinge line. Mark the position for the
mounting holes using a felt-tipped pen.
 
Step 10
Drill three 3/32" holes at the locations marked in the
previous step. Apply thin CA to each of the three holes to
harden the balsa. Attach the control horn using three
1
2-56 x 1 / " screws and the control horn backplate.
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