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Step 2: Joining the Wing Panels
❑
Test-fit the two wing panels together. They should fit
together with few or no gaps between the two, and the leading
and trailing edges should line up evenly.
☞
If the wing panels don't fit together properly, carefully
sand the root ends of each wing panel straight using 220 grit
sandpaper with a sanding block, being careful not to change
the dihedral angle.
❑
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.
☞
Before the epoxy sets up, double-check that the top of
the wing is flat.
❑
After the epoxy has cured, apply a strip of clear plastic
tape (not included) to the top of the wing, over the center
section joint, from the leading edge to the trailing edge.
❑
Trim the ends of the tape flush with the wing using a
modeling knife.
❑
Using the same technique, apply a strip of clear plastic tape over the center section joint on the bottom of the wing.
IMPORTANT
Before gluing the wing panels together in the next procedure, it's important to know that the
top
of the wing should be
straight across (flat). You can easily achieve this by gluing the wing panels together upside down on your building table.
❑
Mix a generous amount of 5 minute epoxy and carefully apply a thin layer to the root ends of
both
wing panels.
WARNING
For maximum wing strength, make sure to cover the entire surface of each root end.