Attach wingtip skins 8

Despite the work in reforming the LH skin 8, there was still a hole mismatch that if not respected would impart a twist to the tip of the skin, where the fold is. This is also true of the (unchanged) RH skin. With the LH skin I shifted the mismatch to the bottom rivets and upsized/recentred to 4mm. For the RH skin, a slight elongation (about 0.2mm) of the original 3.2mm holes (on the bottom) was sufficient. The overlapping skin 5 join was sealed with Sikaflex Pro+ as usual. These skins were custom, with a number of holes omitted. These included the holes which mate with skin 5 and the rear spar channel. I positioned the skin for approx 7mm gap with the aileron edge, then matched drilled these holes.

For the outer holes, topside, which mate with the wingtip, I continued the same separation as is present on the topside skin 5. This made for one additional hole as compared to the originally supplied skin 8