Today, I stayed with the starboard wing top skins. I thinned the overlapping corners of the inner and outer skin panels, then I dimpled both, that was a bit of a back breaker. I primed the sections where the skins will touch the ribs and spars to help protect against corrosion and then clecoed the skins to the wing frame.
Tjhe thinned overlap joint, after dimpling.
The overlap clecoed to the spar, looks nice
Inside of the starboard upper skins after priming.