Match drilled the counterweights and counterweight skin to the counterweight rib assembly. They turned out alright, but if I did it over, I would start the holes in the counterweights (I.e., drill about 1/8″ in) and then finish them on the drill press. It’s very important to drill these straight as possible. I have one…

After a nice long hiatus due to some music commitments and the holidays, I am finally back at it. Today, I match drilled the spar reinforcement plates to the spar, deburred and fluted the countersink ribs and outboard end ribs and final drilled them to the spar. I decided to work on both the left…