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Before I got started working today, Salty stopped by and we chatted RV's for a while. He said it was easy to spot my house with the wings in the garage. Its a good thing I am the only person building in my neighborhood! I took a slight break from metalwork to make my dimpler slide between my two workbenches. I though about making a dimpling table, but that is just another thing to store.  To promote adhesion of proseal, Van's instructs you to roughen all mating surfaces where sealant will be present. I used a nylon bristle brush on a drill and made 45 degree criss crosses on all rivet lines. The next picture depicts this better.   After the skins were roughed up, I put the nylon wheel in the drill press and scrored up the ribs. The stiffeners didn't work well with the drill press, so I did it with emery cloth in a criss cross fassion. Once everything was hit with the nylon brush, I roughened up everything again with a scotchbrite pad, in the same criss-cross pattern. Finally, I put my dimpling table to use and dimpled the skins with Tank Dimple Dies from Cleveland tools. The Tank Dimple Dies are deeper than a standard dimple die, allowing room for sealant to occupy the dimple. I ended tonight by dimpling the #6 screw holes on the tank skin edges. The skins are officially prepped. 
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Last Modified: October 5, 2024 |