Great Planes Super Sportster 40 ARF - GPMA1040 User Manual

Page 7

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6. Assemble the two wing halves with the tightest seam

possible. No gaps should be showing between the two

halves. Use a paper towel dampened with alcohol to wipe

away any more epoxy that oozes out of the wing Use

several strips of masking tape on both sides of the wing to

hold them securely together. Let the epoxy fully cure before

continuing.

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Note: The exact dihedral angle (the angle at which the

wings are “bent up”) is not considered critical. This angle is
established by the angle of the root ribs and the dihedral
brace. As long as the wing halves fit together tightly, the
dihedral angle will be correct. If you wish to check the
dihedral angle, place one wing panel flat on your work
surface. The opposite wing panel should measure
approximately 1-7/8" [77mm] between the work surface and
the bottom of the wing.

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7. Starting at the aft edge of the aileron servo tray, apply

the 1/2" [13mm] white wing center-section tape completely

around the wing over the joint. A small amount of pressure

should be applied to make a smooth seam.

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8. Prepare the aileron servo with grommets and bushings

as shown in the sketch. Test fit the aileron servo into the

servo tray. Note that the notch in the tray corresponds to the

location of the servo lead wire. Enlarge the opening in the

servo tray, if needed, using a sharp hobby knife or fine

toothed file if needed. There should be a gap of about 1/64"

[.5mm] between the servo and the servo tray when installed

properly.

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9. Drill 1/16" [1.5mm] pilot holes for the servo mounting

screws. Mount the servos with the screws provided with
your radio system. With the servo centered, trim and install
the servo horn as shown in the photo.

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10. Thread the aileron control horns onto the torque rods

until they are positioned 1" [25mm] above the wing.

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11. Locate two plastic clevises, two 6" [152mm] aileron

pushrods and clevis retainer. Thread the clevises 14-turns

onto the rods. Slide the clevis retainer down the rod and

partially over the clevis.

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