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RV-9A: Project Entry

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Head scratchin' time... (again)

I put the Vertical Stabilizer forward spar on the forward side of the F-981 plate, which will be bolted to the fuselage. The when I checked the alignment of the rudder hinges in the rear of the Vertical Stabilizer, I found the that hinges didn't line up. There was a severe warp in the line, straight up and down. When I put a straight edge vertically on the aft end of the hinge brackets, the center bracket wasn't touching the straight edge. In other words, the top of the Vertical Stabilizer was arching (or bending) back too far because of the placement of the for VS spar. I went back to the instructions and it said that this situation might happen. It suggested that I mount the forward VS spar on the back of the F-981 plate. OK, I'm game. It worked! Everything lines up now!

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