Top Flite TOPA0970 - Manual (Page 8)

8
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3. Remove the fl ap from the wing panel and pull
the hinge points from the pockets. Coat the center of
each hinge point with petroleum jelly or oil. This will
prevent epoxy from sticking to the pivoting portion of
the hinges.
Before performing steps 4 and 5, have denatured
alcohol and some paper towel pieces ready for epoxy
cleanup.
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4. Mix up a batch of 30-minute epoxy. Use a
toothpick or something similar to coat the insides of
the hinge point pockets in the fl ap and the wing panel.
Wipe away any excess epoxy from around the pockets
using a paper towel dampened with alcohol.
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5. Coat one end of each hinge point with epoxy.
Insert the hinges into the pockets in the fl ap. Use a
clean toothpick to scrape out any excess epoxy that
may have squeezed out the pocket.
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6. Coat the other end of each hinge point with
epoxy. Slowly join the fl ap to the wing while wiping away
any excess epoxy that squeezes out of the pockets.
When the hinge points are all the way inserted into the
wing, defl ect the fl ap downward and check the leading
edge for excess epoxy. Position the fl ap in the recess
as was done in step #2. When satisfi ed, set the wing
aside and allow the epoxy to cure undisturbed.
Trim the Corners
1" [25mm]
3/4" [19 mm]
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7. Cut the included 2" x 9" [51mm x 229mm]
piece of CA hinge material into 3/4" x 1" [19mm x
25mm] individual hinges. Use a hobby knife or scissors
to trim the corners from each hinge to make them
easier to insert into the hinge slots.
Drill a 3/32" [2.4 mm] hole
1/2" [13mm] deep, in the center
of the hinge slot.
Cut the covering
away from the slot.
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8. Drill a 3/32" [2.4mm] hole 1/2" [13mm] deep
in the center of each hinge slot in the wing panel and