Top Flite TOPA0905 - Manual (Page 16)

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7. Locate the landing gear door wood mounting
bracket. Place it on the landing gear wire as shown.
Drill a 1/16" [1.6mm] hole for each of the landing gear
strap mounting holes. Install three flat nylon landing
gear straps with #2 x 3/8" [10mm] sheet metal screws.
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8. Apply 6-minute epoxy to the part of the door
that you roughened up. Place the door onto the wood
mounting bracket, positioning the door so the axle is
in the center of the door and the bottom of the door is
approximately 3/4" from the bottom of the fuselage.
Hold the door in position while the glue hardens.
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9. File a flat spot on the end of the axle. Install
a 5mm wheel collar and set screw onto the axle.
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10. Slide a wheel onto the axle followed by the
wheel collar. Tighten the set screw against the flat
spot you made. Open the lower portion of the landing
gear door as shown. Apply a couple of drops of thin
CA to the hinge to keep the door fixed in place.
Note: Read step 11 and 12 before proceeding with
them. The installation of a cover to close the wheel
well is optional. The door will reduce the overall drag
but is not required for good flight performance.
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11. From the 1/4" x 1/4" x 12" [6mm x 6mm x
300mm] balsa stick, cut pieces 3/4" [19mm] in length.
Glue them in the wheel well 1/16" [1.6mm] below the
bottom of the fuselage.
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12. Glue the plywood wheel cover to the balsa
blocks and the fuselage.
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13. Repeat steps 1-12 for the left landing gear.