I finished drilling the right counterbalance pipe to the right forward skin today. Once again I drilled these to #40 first and then enlarged them to #30. Once the right aileron was done, I clecoed the left aileron back together and enlarged the bottom skin-to-spar holes to #30 since these will be blind-riveted with CS4-4 rivets. I then took everything apart and cut little access holes in the inboard end ribs. These are needed to bolt the aileron attach brackets on. I used the dremel tool to cut these holes and then to debur and polish the edges.
Right counterweight pipe drilled to skin
Left aileron clecoed back together to enlarge bottom spar holes
