Set wing spar at 9 degrees using engineered 2x2s. Leveled wing. Placed bottom skin inplace. Marked spar locations as described in manual. Checked alignment about 15 times. Drilled holes along rear channel starting from the fuselage end. Rechecked level and angle. Began drilling and clecoing holes for spars starting with Rib #1 and working outboard. Drilled one hole at a time starting at rear channel and working towards spar. Finished Spars 1 thru 4.
