Taped and measured wings for cut outs for flap brackets. Cut out using small grinder. Tape and measured trailing edges for flaps. Cut off using cutoff wheel, Sand flat with 4 foot sanding block. Tape and measured trailing edge for aileron. Used template for radius of the cut. Used a cutoff wheel, and a small soft sanding block for radius.
trim trailing edge skin for flap clearance
cut outs for flap attach brackets
Hard to see but the traing edge cut for the aileron has a radius
