These were fairly simple gussets. I measured and layed these out directly on the aluminum. Cut the parts on the band saw and filed and sanded the edges. Marked and drilled the pilot holes and then applied scotch brite.
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 