XNS-W40-21

Mated spars together and up drilled alignment holes to 1/4″ per plans. Spars temporarily fastened together with AN4 hardware to drill wing attachment blocks. Holes drilled with drill press on ground and leveled by using 3/8″ bit and drill guide, then 15/32″ bit and finished with 1/2″ reamer. Both holes have give slight resistance when…