I finished up drilling the in board end of the left main spar. This is the portion with all of the web doublers. The next step will be to remove all of the doublers and then to up drill the remainder of the spar.
Drilling The Main Spar
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 
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