RV Aircraft Construction Website

RV-9A: Project Entry

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Drilled and dimpled the rear spar flange holes over the reinforcement fork

According to the instructions, the flange holes in the rear spar would be difficult to dimple when the reinforcement plates are in the way. I also countersunk some of the holes in the W-907C reinforcement plate. Luckily there is a picture of this in the instructions showing which holes get countersunk.

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