Did final trimming, then, drilled & clecoed wing tip sheet (7V9-1) to lower tip angle (7V8-3) with #40 bit (will drill to #30 later), pitch 40 mm. Drilled & clecoed tip sheet to spar tip angle & fiberglass tip. Drilled fiberglass tip for the nav & strobe light assembly (large hole 1.5", small hole 1") then drilled for 3-rivet holes #30.