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Andrew,
Having done this before, You can use "C" channel for molds You will need at least 2 to make the process viable. You must be prepared to use a steel pot large enough to melt all 70 lbs at the same time because of the grease. The molds should have the dimensions of 4" x 2" x 1". That will give you approximately a 10# weight. You will need to machine both ends of the 4" long, 2" x 1" C" channel square. You can then close up the ends with flat plates at least .250" thick. These should be held together with "C" clamps. You should use a suitable gas burner to melt the lead. I use one from a tar pot used for roofing. You can use a simple soup ladel to fill the mold flush to the top. I suggest using a leveled aluminum plate to set the molds on. This will aid in cooling the mold. Five minutes of cooling should cause the lead to solidify. Cool the mold in water befor reuse. This reduces cycle time. Steve "Andrew Butchart" wrote in message ... I've come into possession of a quantity of lead wheel weights - about 70lbs worth. I'd like to turn them into 10lb weights with an eyebolt on the top. One minor issue is that the weights were stored in an old grease pail and so are quite greasy. As I see it I have three options: - Melt it down and pour it into forms. The good thing with this, is that the weights will be all lead. The bad thing is that I don't know how to make forms - would wood be good enough, or old juice cans? Could I melt the lead on my BBQ - kitchen stove is out because of fumes of course. What about the grease? Should I clean it off first? I'm not keen on this method because of all of the safety issues, but it give me the "best" and most dense result. - Use polyester resin and 1 litre cardboard milk cartons as a form to cast a weight. Would it hold together? Do I need to remove the grease from the wheel weights? - Put the weights into a large juice can and somehow seal up the top. I'd worry about how solid this would be though. Thanks -- Andrew Butchart |
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