Top Flite TOPA0970 - Manual (Page 13)

13
your air lines through the wing panels and into the
boxes. Approximately 14" [356mm] of air line should
be installed into each panel. Also, route the servo
extensions through the holes in the sheeting.
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3. Use epoxy to glue the nylon wing dowels into
the holes in the wing leading edge (be sure the smooth
ends of the pins face outward). Wipe away excess
epoxy with a paper towel dampened with denatured
alcohol.
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4. Test fi t the wing joiner into the joiner pocket of
each wing panel with the “V” shaped side pointing to
the bottom of the wing. The joiner should be able to
fi t halfway into each pocket and be slightly loose to
allow room for epoxy. There is a front and back side
to the wing joiner. It will only fi t in the wings in the
correct orientation. Sand the joiner as necessary for
the proper fi t. Dry fi t the wing panels together using
the joiner. The root ribs of the panels should sit fl at
against each other with no gaps. Lightly sand the face
of the root ribs if necessary to eliminate any gaps
between the wing panels.
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5. When satisfi ed with the fi t of the wing panels,
mix up a batch of 30-minute epoxy and coat the inside
of the wing joiner pockets in each wing panel. Coat
one half of the wing joiner and slide it into one wing
panel. Coat the root ribs of both wing panels as well
as the exposed end of the joiner. Join the two wing
panels together and use paper towels dampened with
denatured alcohol to wipe away any excess epoxy
from the joint between the panels. Use masking tape
to hold the panels together tightly. A rubber band
around the wing dowels works well to hold the LE of
the wing panels together and a clamp at the TE helps
keep them aligned. Set the wing aside and let the
epoxy cure undisturbed.
❏
6. Fit the wing to the fuselage and use two 1/4-
20 nylon wing bolts to secure the wing in place. Align
the
belly pan in place onto the underside of the wing.
Use a felt-tip pen to trace around the belly pan onto
the wing.
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7. Carefully cut the covering 1/16" [1.6mm] inside
the lines you drew and remove the covering. Use a
sharp hobby knife and take care to only cut through
the covering and not into the wood beneath. Use
denatured alcohol to wipe away the lines you drew (or
use CA debonder). See the following
Expert Tip for an
alternative method for removing covering.