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SAM'S WEB SITE
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Date: 1-29-2012
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Number of Hours: 5.20
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Manual Reference:
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Brief Description: Right tank ready for final assembly
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Today after Church and breakfast out, I started in on getting the tank ready for final assembly. One of the last things I had to do besides dimple the skin was to fabricate the tank attach angle from the 2 1/2 x 2 x 3/16 T6 angle. That stuff was very hard for my bandsaw to cut, and it went very slowly, and the aluminum angle got very hot and thus hard to hold. When it was roughed out, the blade was giving out, so I went to the local Home Depot and got a new blade. Well, it started cutting through that T6 aluminum like it was cheese! The other blade was supposedly the same thing, but must not have been tempered properly, as apparently it had dulled rapidly and the teeth had lost their set. After adding notches in the edge to allow for the rivet heads on the inside of the rib (I got caught last time trying to put the plate in place, covered with Proseal, and it would not fit due to interference with the rivet heads), I got the attach angle and the T-410 reinforcement plates match drilled to the end ribs, and got an AN470AD6-7 rivet ready to plug the tooling hole in the inboard rib by cutting it off to a -5.
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Laying out the geometry for the attach angle. Used a 3/8" drill to form the inside small radii.
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The T-405 attach angle, T-410 reinforcemtne plates, and end ribs all match drilled and ready to go.
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The AN470AD6-7 rivet cut off to a -5.
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