Installing The Optional Flap Servos - Hangar 9 P-51D Mustang Sport 40 ARF Assembly Manual

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Step 4
Insert the bend of the 3-inch (76mm) linkage in the rear hole
of the flap stay.

Step 5
Slide a clevis retainer on a nylon clevis.
30
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Step 6
Thread the clevis on the linkage. Attach the linkage to the
center hole of the control horn. Adjust the clevis so the flap
is aligned with the trailing edge of the wing. Slide the clevis
retainer over the forks of the clevis to keep the clevis from
opening accidentally.

Step 7
Repeat Steps 1 through 6 to install the remaining flap
linkage. Make sure to adjust the flap on both the left and
right wing panels or you may have difficulty trimming the roll
(aileron) of your P-51D Mustang.

Installing the optional Flap Servos

Required Parts
Wing panel (right and left) 180 servo horn (2)
Servo mounting block (4) Servo with /hardware (2)
Clevis retainer (2) Clevis (2)
3-inch (76mm) aileron pushrod (2)
#2 x 3/8-inch self-tapping screw (8)
Servo extension, 9-inch (228mm)
Required Tools and Adhesives
Pencil 30-minute epoxy
Drill Sandpaper
Phillips screwdriver: #1 Thin CA
Mixing cups Mixing sticks
Side cutter String or dental floss
Pin vise
Drill bit: 1/16-inch (1.5mm), 5/64-inch (2mm)

Step 1
Locate the items necessary to install the flap servos.
Hangar 9 P-51D Mustang Sport 40 Assembly Manual