RE: Wing Dowel Question
All Day Dan's way is very good. You can also use 10/32 nylon bolts rather than the 1/4/20's as they are more than adequate. In fact they are better if you wind up in a crash as they will shear easier than the 1/4/20's which is what you want in a crash. Unfortunately, the shear strength of the 1/4/20's is greater than their tensile strength a bad thing.