Retract installation, Build the ailerons – Top Flite TOPA0410 User Manual
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❏ 4. Use leftover 1/2" x 1/2" balsa hinge block material to
fair in the outboard ends of the oil coolers.
RETRACT INSTALLATION
❏ 1. If you plan on glassing and painting the model, you
will probably want to cut out the wheel wells after the wing
is glassed, but before priming. If you use MonoKote
®
to
cover the model, you should cut out the wheel wells and fit
the retracts at this time.
❏ 2. When cutting out the wheel wells, start with a small
hole in the center of the cutout area and gradually expand
the opening. Trial fit the retracts trimming the wing skin as
necessary. If you are installing Robart Corsair retracts, a
notch will need to be cut in the main spar to clear the
retract locking mechanism and the strut retainer. A
Dremel
®
MultiPro
™
with a drum sander works great for
making smooth notches. The two ribs in the opening have
been die-cut for the wheel well and require that you finish
cutting them. The full size Corsair did not have wheel well
liners. But, if you prefer, liners can be made from 1/16"
[1.6mm] plywood or balsa (not included).
❏ 3. Fit the retracts in the wing and note the location of
the air line nipples on the air cylinder. Two 5/32" [4mm]
holes will need to be drilled through the main center spar
and the plywood rib R-2 to allow the air line to be routed
to the center of the wing.
❏ 4. Repeat the process to cut the retract opening in the
other half of the wing.
BUILD THE AILERONS
❏ ❏ 1. Cut a 15-3/4" [400mm] long aileron LE from a 1/2"
x 1-1/4" x 30" balsa stick. The remaining stick will be used
to make the other aileron LE. Tack glue the LE in position
on the TE of the wing. Use a sanding bar to shape the LE
to match the wing.
❏ ❏ 2. Remove the aileron LE from the wing and mark a
centerline on the surface.
❏ ❏ 3. Position a die-cut 1/8" [3.2mm] balsa aileron base
over the aileron plan and mark the “rib" locations on both
sides of the aileron base.
❏ ❏ 4. Glue the aileron base, centered, to the aileron LE.
Make sure the aileron base is perpendicular to the aileron LE.