I had planned on using 1/2"- 1" foam ribs capped with 1/16" balsa , and of course the 1" in the critcal areas, and light ply reinforcement drawn in around the wing tube. I think I figured out the dihedral thing last night while I was trying to go to sleep. I think of these things at the weirdest times of the day... Well, maybe all day, but

Well, I'm off to work where I'll actually spend most of the day thinking about this design. I'd tell you what my weekend job is, but you'd all give me heck