Great Planes Ultimate Biplane 40 Kit - GPMA0240 - Manual (Page 17)

the wing plate. Leave the aft edge of the wing bolt plate
square Use 30-mmute epoxy to glue the wing bolt plate to
the bottom of the wing, centered on the center TE The aft
corners of the wing bolt plate are flush with the aft end of
the center TE. Use clamps or weights to hold the wing bolt
plate tight against the wing.
D 8. Trim the opening for the aileron servo tray until you
can see the aileron servo cutout in ribs R-6 Center the
die-cut 1/8" plywood aileron servo tray over the cutout
(save the tray doublers die-cut inside the servo tray) Mark
the outside perimeter of the tray and cut the wing sheeting
from inside these lines.
D 9. Glue the die-cut 1/8" plywood aileron s e r v o
tray supports to the ends of the aileron servo tray,
perpendicular to the tray Glue the tray doublers to the
bottom of the aileron servo tray.
D 10. Glue the servo tray to ribs R-6
D D 1 Trim one end of the 1-1/4" x 24" balsa aileron to
the same angle as the center TE.
D D 2. With a gap of 1/16" between the aileron and the
center TE, cut the end of the aileron approximately 1/16"
past the wing tip This will allow you to sand the aileron
flush with the wing tip.
D D 3 Place the left aileron on the trailing edge of the
wing and mark the location of the torque rod.
D D 4. Draw a centerline on the LE of the aileron.
D D 5. Drill a 1/8" hole on the centerline for the aileron
torque rod Use a sharpened 1/8" brass tube to cut a
groove in the LE for the aileron torque rod.
D D 6. Use the leftover hinge material, cut four aileron hinges.
D D 7. Mark the location for the hinges on the aileron and
wing. Cut the hinge slots and without using glue, test fit
the aileron on the wing.
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