Cut 3/4 x 1/16" angle to match spar web. Cut 1" x 1/16" angle down to 3/4" on one side and cut for front stabilizer spar. Cut and shaped 3/4" x 1/8" angle for false spars. Located and clamped all and drilled and clecoed in place
drilling and clamping main stab. spar
both stab spars drilled and clecoed
both spars including false spars ready for riveting