Today I started increasing the size of the holes in the right hand flap from #40 to #30. I used my soldering iron to cut away the protective film around all of the rivet holes leaving the rest of the skin protected. It worked well. Next I started to deburr the holes. I completed the first pass on deburring the skin moved on to the ribs.
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 