RV-9A: Right Fuel Tank - 1/2/2007
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 Time to cut the tank stiffeners
I love seeing the "pile" of parts slowly starting to dwindle down, indicating the approaching completion of this part of the project. I’ve heard that the fuselage is a lot of fun to build. I will probably order the fuselage kit sometime in February.
Having done stiffeners before, this part was fairly easy and went fast. Here I have marked the cuts to be made on the bandsaw with my fine point sharpie.
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 Here they be.
After rounding the edges on the bench top sander, I broke the edges with the Scotchbrite wheel and lightly sanded everything with 320 sandpaper.
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 Clecoed the stiffeners in place and final drilled
All but one of the stiffeners are the same length.
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 Laid the back tank baffle into position
There is no way to put this dude in backwards. The matching holes in the ribs are offset to assure proper positioning.
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 Marking the positions of Z brackets
The "Z" brackets that attach the back baffle of the tank to the main spar of the wing don’t all face left or right, so I marked the positions of the main spar bolt holes onto my rule with a sharpie. I will transfer these marks onto the tank baffle to help show the proper left or right positioning of the "Z" brackets.
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 Laid everything out
After transferring the bolt positions off the ruler onto the tank baffle, I laid out the "Z" brackets over their associated ribs on the back of the baffle. Then I located the W-932DG drill guides that will be used to insure the proper initial drilling of the "Z" brackets.
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