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8/2/04 Rotisserie Construction Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 FINAL Update It's been a few days, and I ran into another problem. Despite three engineers plus countless well-wishers taking a look at my design, nobody noticed the one critical flaw:
So I did the only thing I could: cut the forward brace off. I'll do a slight redesign on the forward brace and replace it with some gussets made from 1/2" plate.
I also built the body bracket and drilled the height adjuster to hang it in place (which is how I found about the interference problem). I had so carefully designed the thing to clear the front diagonal brace, even at its lowest position, but didn't stop to think about what happened when it rotates. Duh. I also added a collar and small gussets around the adjustment sleeve to keep it aligned and strong. The collar should also help retain the grease in the rotating mechanism. I'll add a second collar at the back that will be retained by set screws or a pin.
I'll drill two mounting holes on each side of the adjuster sleeve to hold the body brace in place. My thought is to drill the holes in the body bracket at the appropriate heights for the Buick. In this way I can custom fit it to the car. Future projects will have their own holes drilled--the steel will be plenty strong to accommodate several sets of holes, and they may link at a variety of different heights in the future. I feel that since I'm not building a production line item and probably won't be restoring dozens of cars (or maybe...), putting a hole every two inches, for instance, probably wouldn't be as helpful. For drilling the holes, I've found it's better to put the sleeve and the body bracket together at the appropriate height, clamp them in place, then drill through all four walls at once so they line up perfectly. Take your time with the drill--use a low speed and lots of lubricant (WD-40 or cutting fluid) and steady pressure. A drill press is ideal, but you can do it with a hand drill if you're careful. I also smacked up the front end of Julia's TT by hitting a chunk of wayward truck tire in the middle of the highway. It took out the front bumper, all four grilles, the A/C condenser, the radiator and maybe an intercooler or two. Nice, eh? Best of all, the insurance company said it was my fault, since it was an object, not another vehicle. Rats...
Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 FINAL Update E-mail me at toolman8@sbcglobal.net This page accessed Thanks, Fidget! |
