1. Transfer drill qty 4 3/16” holes for the control stick bearings. 2 are on the bracket just behind the wing spar as shown, and 2 are below the seat.
2. Transfer drill 2 #18 (0.169”) holes for the lower center spar guide block.
Note: if you do not have a small enough drill as shown you can mark through holes and drill when skin is off for deburring
3. Transfer drill using 3/16” drill 1 left spar adjuster hole, and 1 right side spar adjuster hole. Holes will be upsized to ¼” after you remove the bottom skin. Caution: You will be drilling through the center of the nut. Be careful not to damage the threads.
Note: If you do not have a small enough drill as shown you can mark through holes and drill when skin is off for deburring
4. Optional: If you desire to mount a step, mark around the step holder tube on the lower skin and cut out hole after skin is removed.
