Far be it from me to disagree with THE Mike Pilkenton, but when I was about to glue the wing in my Edge, I asked here, and the consensus was, surprise!, medium CA. The problem, as Mike alludes to, is the mess that Epoxy makes. Since it doesn't seep in much, you have to put the glue in the opening before sliding the wing in, which smears it everywhere. I did it the easy way: Insert the wing, stuff any gaps with little bits of balsa, then put a line of medium CA around the joint between the wing and fuse.