Brief Description: ELEVATOR Dimple and countersink spars
Countersink front spars both sides for 3/32 skin dimples. Dimpled rear spars for 3/32 skin dimples. countersink inboard holes on TOP flange of the rear spars, dimple the rest. dimple also three holes in front spars and two holes in rear spars for the inboard ribs (3/32 rivets).