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View steve392's profile Entries: 204
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06-22-2010 05:49 PM Willys - Tilt Front Ribs
Here's the finished rib mock-up, which will stiffen up the shell, mount the grille, attach the hinges and linear actuators, and look good at the same time. Next, the motor goes back in, the radiator gets mocked-up, and then the tilt shell goes back on to make sure the ribs don't interfere with anything.


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  [Entry #134]

06-22-2010 05:48 PM Willys - Tilt Front Ribs
Another reason for designing the ribs with AutoCAD is that I would have a computer file that could be sent to a fabricator to have the ribs cut out either by laser or water jet, instead of me buying the raw materials and cutting and shaping the ribs by hand. Before I did that, I wanted to make sure that the design would work, and also to see how it would look. I printed out the drawings, glued them to ΒΌ" plywood, cut them out and fitted them into place. Although not shown here, there will be a gap between the tilt shell and the aluminum rib. The gap will allow space for the rib mounting tabs to be bonded and 'glassed to the shell.


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  [Entry #133]

06-22-2010 05:46 PM Willys - Tilt Front Ribs
Once I had the templates made, I laid them out on a 1" grid pattern and traced the curve onto the grid. From here, I measured the location of the curve along the horizontal and vertical axis every inch. This gave me the coordinates that I input into the AutoCAD software to create the curve. Once the curve was created, I added the details. The last picture is the completed rib in AutoCAD.


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  [Entry #132]

06-22-2010 05:45 PM Willys - Tilt Front Ribs
To make the finished aluminum ribs, I decided on drawing the final design using CAD software. In order to input the curves into the computer, I needed to make more accurate templates of the tilt shell where the ribs would be attached. There are four rib sections on each side, plus one transverse rib, for a total of nine rib sections.


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  [Entry #131]

06-22-2010 05:44 PM Willys - Tilt Front Ribs
Being that the tilt shell is very flimsy by itself, I built a raised jig which keeps the shell in the proper shape while I work on it. If left to lie on the floor, it will droop and the fiberglass will take a set. This also insures that the ribs will be made to the correct contour and also hold the shell in the correct shape when bolted up. After putting the shell in the jig, I took the opportunity to let it sit in the sun to warm up and let the fiberglass "relax" and get used to its final form.


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  [Entry #130]

Pages (41): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 [15] 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41


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