I started today by getting setup to up drill the holes to #33. This is in preparation for dimpling. The hole in the sheet needs to be undersize in order to end up on size after dimpling. Once I up drilled to #33 I then disassembled the web and started to up drill to #30.
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 