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❑
Slide both wing panels together with the wing joiner
temporarily installed (without using glue).
❑
Look carefully at the center section joint: the wing panels should fit together tightly with few or no gaps in the joint.
☞
If the wing panels do not fit together properly, remove the wing joiner and use 220 grit sandpaper with a sanding
block to lightly sand the edges and tips of the joiner, until you are satisfied with the fit.
❑
When satisfied with the fit, pull the wing panels apart and remove the wing joiner.
❑
Mix a generous amount of 30 minute epoxy. Working with only one wing panel for now, apply a thin layer of epoxy
inside the wing joiner box and to only half of the wing joiner. Make sure to cover the top and bottom, as well as the sides,
and use enough epoxy to fill any gaps.
❑
Slide the wing joiner into the wing panel up to its centerline. Quickly remove any excess epoxy using a paper towel and
rubbing alcohol, and allow the epoxy to set up before proceeding.
❑
After the epoxy has set up, test-fit both wing panels together again to double-check that they still fit together properly.
Check the leading and trailing edges, too. It's important that they be even with each other.
❑
Mix a generous amount of 30 minute epoxy and apply a thin layer to the exposed half of the wing joiner, the inside of
the wing joiner box in the second wing panel, and the
entire surface of BOTH root ribs
. Make sure to use enough epoxy
to fill any gaps.
❑
Slide the two wing panels together and realign them. Quickly wipe away any excess epoxy using a paper towel and
rubbing alcohol, and use pieces of masking tape to hold the two wing panels aligned until the epoxy fully cures.
Step 2: Joining the Wing Panels
❑
Apply a long strip of masking tape to the top and bottom
edges of the root rib on each wing panel.
☞
The masking tape will prevent excess epoxy from getting
onto the wing panels when you join them.
❑
Once the epoxy has fully cured, remove the masking tape and double-check the center section joint. If any gaps are
present, mix a small amount of 30 minute epoxy and carefully fill any remaining gaps. Quickly remove any excess epoxy
using a paper towel and rubbing alcohol, and allow the epoxy to thoroughly cure.
Step 3: Checking the Center Section Joint
