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❑
Pull the servo leads through the precut tunnels in each
wing half using the lengths of string preinstalled in the wing.
❑
Pull both servo leads out through the center-flap servo
mounting hole and install the servos, making sure that the
servo output shaft is toward the
trailing edge
of the wing.
☞
To make it easier to install the servo mounting screws,
first drill 1/16" pilot holes through the servo rails. Be careful
not to drill through the top of the wing.
Step 3: Installing the Center-Flap Servo
If you decide not to make the center-flap assembly functional, you should still install the plywood servo tray onto the
wing; just don't install the servo. The center-flap pushrod assembly will be locked to the servo tray so that the center-flap
won't move. This is convenient, because if you ever decide to make the center-flap functional later on, it will be easy
to install the servo, rebend the pushrod assembly and attach it to the servo arm.
❑
Using a modeling knife, cut away and remove the covering material from over the precut aileron servo mounting holes in
the wing. One hole is located in each half of the wing, 16-1/2" out from the centerline of the wing and 4" in front of the
aileron hinge line.
❑
Center the servo tray over the cutout in the top of the wing.
❑
While holding the servo tray in place, trace around it
using a pencil.
IMPORTANT
The precut notches in the servo tray should
be toward the
trailing edge
of the wing.
❑
Remove the servo tray. Using a modeling knife, cut away and remove the covering material from within the outline
you drew.
❑
Glue the servo tray into place using a generous amount of 5 minute epoxy. Remove any excess epoxy using a paper
towel and rubbing alcohol, and allow the epoxy to set up before proceeding.
❑
Install the rubber grommets and brass collets onto your
center-flap servo, making sure to install the collets with the
flanges toward the bottom of the servo.
❑
Install the center-flap servo into the servo tray, making
sure that the servo output shaft is toward the
trailing edge
of the wing.
IMPORTANT
The two aileron servo leads and the center-flap
servo lead come out of the top of the wing between the sides
of the servo and the two precut notches in the servo tray.
