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Jerrys Web Site
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Date: 5-5-2012
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Number of Hours: 7.00
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Manual Reference:
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Brief Description: Left Wing Rib Installation
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Wow -- made really good progress today. I completed the rib installation and have everything drilled out to #11. I attached and drilled the rear spar and the front main spar (not the extensions). My proceedure for drilling shims/ribs worked much better than the steps in the manual. First, I enlargened all the holes in the shims from #40 directly to #11 on the drill press. Then I enlargened the two outer holes on the spar where the ribs attach, i.e top and bottom, cleco'd the shims, and drilled the rest out. Then, I did the same for the nose rib and the main rib, one at a time, drilling out the two outer holes, attaching to the spar and then drilling the rest out. By doing it this way, I got a much better assembly than trying to drill them out with everything attached to the spar.
Photo 1 shows how I file a groove in each group of shims so when I disassemble and prime, I can get them back together the same way. I learned this the hard way on the right wing.
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Shim groove for ID purposes
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Using shims as template for enlargening the spar
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Days work completed
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