Time to start dimpling the vertical stabilizer skin which means I need a good setup for the C frame. I have some 1/2" plywood and 2x4s left over from building the EAA workbenches. It turns out that those two things together are exactly the height of the die holder on the C frame. With a $7 floor mat from Lowe's that puts the table at the same height as the dimple die. The table is 23" deep by 48" wide (because that's the size of the leftover plywood). I used wood glue with 2" screws to hole the wood together and some spray adhesive to hold the floor mat to the top.
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The C frame slides under the table. There's a cutout at the back to clear the bolts that mount the arm to the base. There's also a cutout in the front the same size as the dimple die holder. I used a drill and jig saw to cut that. Finally, there's a cutout in the carpet just the size of the dimple die that I cut with a razor blade.
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| Worked like a charm dimpling the first skin. I could use a ball-peen hammer to get a better strike than the dead-blow hammer and I might put the tables together in the future so I can get the C frame directly over the table legs to get a faster dimple. It took about 3 moderate strikes to get a good dimple set up the way it is. |
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