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Michaels Web Site
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Date: 5-15-2010
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Number of Hours: 2.00
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Manual Reference:
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Brief Description: Finished the wing attach blocks W11-02/-06
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I had made these parts some time ago, but since I didn't have the AN nut/bolt hardware, I waited to updrill the two bolt holes.
I had 3 temporary bolts in each part. To up-drill I removed one of the horizontal bolts, updrilled with a 7/32" bit, then the final 1/4" bit. I used a little cutting fluit and the cutting went very easily. Then I put a 1/4" bolt in the drilled hole, removed the second temporary bolt, and did the same up-drilling process.
The drilling goes much easier, and the hole remains nice and straight, by up-drilling in 3/32" increments (something that someone on the Sonex Talk forum mentioned, and it really does work well).
THAT COMPLETES SHEET W-11.
I'm at 633 hrs, by the way...
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The vertical bolt and the stainless horizontal bolts were temporary for alignment
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I updrilled with a 7/32" bit, then the final 1/4" bit.
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