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SAM'S WEB SITE
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Date: 1-9-2012
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Number of Hours: 3.40
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Manual Reference:
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Brief Description: Ordered new parts, getting others ready
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For the last few days, I have been hitting a lick here and there as I find time. While I was countersinking the skin holes that attach to the baffle, the locknut on the microstop countersink loosened, and allowed the countersink to go too deep. Also, while I was drilling the rib flanges to the baffle and attach brackets, I missed the hole on one of them and drilled it in the wrong place. The skin is so reflective, it can be difficult to see exactly where the drill is touching. I had planned at first to use oops rivets in the skin where the holes were oversize, and just put a lot of sealer around the extra holes in the rib flange, but that seemed to be a worse idea the longer I thought about it. So, Saturday I bit the bullet and ordered a new skin, baffle, rib, and attach angle bracket. They should be here Wednesday, as I had them sent second day air, and they shipped today (Monday). I was able to do some productive work in preparation for getting the new skin and other stuff, such as machine countersinking the reinforcement ring for the inboard rib where the fuel capacity sender will live, and dimpling the rib to match, then riveting them together along with the nut plates that hold it all together.
Haven't dimpled the rib flange holes yet, because I need to use them to drill the matching holes in the new skin when it arrives.
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Hole with excessive countersink depth
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Misdrilled rib flange; the attach angle matches.
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The tank access plate mounting flange riveted in place.
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