Today I worked on up drilling the holes for the motor mount to 3/16 inch. I intend to use my 3/16 inch pilot 100 degree countersink in my microstop to countersink the holes then I’ll up drill to 1/4"
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 