As with the ailerons, Kieran and I ended up drilling the actual hinge bearing hole which accepts the spherical bearing (already mounted to the aft wing spar). Then we bolted the assembly together. Then we clamped the hinges onto the flap spars, adjusting them for left and right. As with the ailerons, we will set the up and down placement of the flap using the template provided for the top and a straight edge on the bottom. Then we will drill the matching holes for the hinges onto the spars, and bolt them on. Cosmetically, the aileron and flap trailing edges are a little bit different along the TE. Mark Goldberg called as we were looking at it and he reminded me that they are only loosely pop riveted on, and the kit is designed so you can adjust them prior to riveting. Feeling quite good about this! Final bolting tomorrow. Picture shows the boys clecoing the bottom wing skin back on prior to rotating the wing right side up for aileron and flap mounting. Kieran on the left and Aidan on the right.