Bottom skin trailing edge (7V7-4 & -5) & strut fitting

Bottom trailing edge with flaperon brackets positioned

Fabricate, position and install Rear Upper Strut Fitting (7V7-4) to rear channel at rib # 4.  Install bottom skin trailing edges (#40): 7V7-3, inboard section and 7V7-5, outboard section.  Note clots cut in trailing edges for flaperon brackets.

Locate & position flaperon brackets

Prepare and install (#40) flaperon brackets (7V4-6) at ribs 1, 3, 4, & 6 (wing underside).

Install stiffeners in bottom skin & structure.

Much unrolling/rolling of center wing skin to position and cleco (silver) longitudinal stiffeners in place.  Method follows that of top skin stiffeners installation.

Position bottom skin on structure

Position bottom skin on wing structure

Un-roll & position bottom skin on wing structure, locate. drill (#40) , and cleco (silver) in place

Corrosion protection of interrnal (top) wing skin & structure

Applied Rust-Ox corrosion protection to internal wing structure in preparation for adding bottom skin.

Position and prepare stb wing for bottom skin (7V7-3)

Prepared to unroll bottom center skin (7V7-3) for trial positioning.  Much rolling/unrolling to adjust proper positioning on front spar.

Stb wing top skin in place (7V7-2)

Vertical view - Top Skin with stiffeners clecoed

Stb Top skin clecoed in place with horizontal & longitudinal stiffeners in place.