I made the root rib attach angles for the trailing end of the root ribs. I started by opening and closing the raw angles to the correct angle. After getting the angles opened up and closed up correctly I layed out the cuts and finished the angles
Welcome to my builders log for Sonex S/N 767. It won't be as big as a real 767 but if you scale the speed I bet it will be almost as fast
Dave's Sonex Builders Log 