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Jims RV-8
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Date:  7-27-2020
Number of Hours:  1.50
Manual Reference:  7-10
Brief Description:  Tubing and Bellcrank interference fix

I need to solve the interference between the pitot/AoA tubing and the aileron bellcrank. I keep calling it pitot and AoA because, although only one of the lines is interfering with the bellcrank, I don't know which line I will assign to which purpose - so I just call them both out.

The first iteration was to move the lines over one hole each in the ribs and move them away from the offending part of the bellcrank. That helped, but there is still just a little bit of contact. I say contact because now the bellcrank is hitting the spacer/stop as it should and just touching the rubber cushion on the side of the adel clamp. This is likely not an issue, but the optics don’t look good, so I will fix it now and then not worry about it later.

The next iteration was to try and move the line in a s-shape and move the adel clamp away from the bellcrank – a little better, but not there yet.

I was about to stop for the night when I realized that if I had a bigger adel clamp and used just the one clamp for both lines, then I could keep the fat part of the clamp away from the bellcrank and solve my problem…and that’s what I did – and now there is loads of clearance. The larger adel still allows for the tubes to move a bit, but they are held away from the bellcrank. Done.
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1st iteration

1st iteration

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2nd iteration - s-shapes

2nd iteration - s-shapes

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Success!

Success!

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