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Mix a generous amount of 5 minute epoxy and carefully apply a thin layer to the root end of
both
wing panels.
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WARNING
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For maximum wing strength, make sure to cover the entire surface of each root end.
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Fit the wing panels back together and realign them.
Remove any excess epoxy that squeezes out of the joint
using a paper towel and rubbing alcohol, and hold the wing
panels together firmly until the epoxy sets up - about 10
minutes.
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IMPORTANT
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While the wing panels are drying, it's very
important that they be upside down and flat on your work
table.
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IMPORTANT
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Installation of the short fiberglass dowel
is optional. This dowel strengthens the wing center section,
but is really only necessary if you're using heavier than
recommended flight equipment or if you are using a more
powerful power system.
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After the epoxy has completely set up, carefully cut a
shallow groove across the
bottom
of the wing just large
enough to install the short fiberglass dowel. The groove should
be located 3-7/8" in front of the trailing edge of the wing, at
the centerline, and it should be perpendicular to the centerline
of the wing, too.
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Test-fit the short fiberglass dowel into the groove. When satisfied with the fit, glue the dowel into the wing, using the
same techniques you used to glue the long fiberglass dowels into each wing panel.
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After the epoxy has set up, use a piece of extra covering material to cover the fiberglass dowel. You could also use
extra covering material to cover the center section joint on the bottom of the wing.
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Using 220 grit sandpaper with a sanding block, carefully
sand a shallow 45º bevel in the bottom of the leading edge of
one aileron.
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IMPORTANT
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Before hinging the aileron to the wing, note that the wider portion of the aileron should be toward the
tip of the wing, and the top of the aileron (the non-beveled side) should be hinged to the top of the wing.
STEP 5: INSTALLING THE SHORT FIBERGLASS DOWEL - OPTIONAL
STEP 6: HINGING THE AILERONS