Placed the laser under the aft fuselage. Then it will reach all corners. Then I measured the height from the point of measure down to the level laser light. For the tip leading edge I used a rod the fitted into the little hole in the ribs. Found out it was completely impossible to eyeball the leading edge. For the mid point leading edge there is a small hole in the skin. At the trailing edge I just measured from the bottom.
The idea is that when difference H1 - H2 is the same for all cross sections, then the wing is straight. I needed to rise the right mid trailing edge about 7 mm, then everything will be straight. Now I can drill the mid skin in place, with the outer sections on (at least some of the holes), and the wing will be straight.
The idea is that when difference H1 - H2 is the same for all cross sections, then the wing is straight. I needed to rise the right mid trailing edge about 7 mm, then everything will be straight. Now I can drill the mid skin in place, with the outer sections on (at least some of the holes), and the wing will be straight.
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