RE: WACO YMF
There is no backwards or forwards. Just whatever works for you. Normally, if you are doing the top and bottom seperately, you would do the bottom first, so that when you do the top, the leading edge overlaps the bottom so that the seam is less visible. When I do the wing in one piece, I actually start at the top just where the trailing edge stops (at the open bay) and then wrap the covering material completely around the wing and stick it down at the edge of the top trailing edge. This gives me plenty of overlap, and good penetration of the dope. Also it makes finding the seam virtually impossible. I use a single edge razor blade, and trim the material at the bitter edge of the trailing edge, and no seams can be found. It even works on the top wing with the visibility cut-out. As I said, whatever works for you is what is the best way.
Bill, AMA 4720
WACO Brotherhood #1