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RV-9A: Project Entry

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Ah Ha! There's the culprit!

The center wing rib, directly over the jack (the 2x2 board), was giving up the ghost and warping over to one side because of the "j" stringer cutout, thus allow the main spar to sag. I went around to the front and put clecos into every 4th hole, into the skin, into that supporting rib and voila, the holes in the overlapping sheets now lined up perfectly!

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