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Foam-Core Wing Repair with Long Scarf Joint
After you’ve rejoined broken pieces of a foam-core wing, you may find that much of the foam has crumbled away. Epoxy the damaged parts, push them back together, and make sure that the joined panels are flat (not warped). Carefully remove the broken part of the wing skin and splice in new wood. The key to a strong repair is to use a very long scarf joint, preferably in the slope of 15 to 1—the...
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