May be of no use to any one but here are the a few pics........
The pale orange motor is mine, and the red and yellow motor is of a mates motor, whilst it was being modified last winter by me.
The skin is 1.5mm flat sheet ally.
These wings work well for us. one has been proven, a tree jumped out at 40-50mph, the wing bar was wrecked but it saved the front axle and shock!
clickable (I think) for larger image