Thanks for the reply, hattend. The wings are built upside down, but I have read and reread the dang manual to find out if the stab was. I can't find it. Wouldn't help me if I knew, as I was a dumbarse and didn't mark up and down. I'm thinking the 'dihedral' part is on the bottom, and the straight part is on top. I could do some other stuff on it until I find out for sure. Thanks again.