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I started with a car breakdrum and some 12" anchor bolts. I threaded the anchorbolts through the lugnut holes with a
nut on each side of the drum. Then I threaded a cast 2" flange through the axle hole. I connected a T piece so
that I would have a cleanout port.
| Forge Parts |
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| Assembled Firepan |
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Next I lined the inside with sand to act as a refractory shield. I placed a section of chain in the top of the flanged
pipe to act as a grate to keep debris out of the air chamber.I was concerned about flying embers so I constructed a heat
shield out of a metal pail. Then I attached a blower to the 1.5" T pipe. I piled in a little wood and some coal and fired
it up. It took a few tries to get the air flow right, once I did it burned very hot.
| First firing, before the coal caught, too much air |
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| Same as above, side view, mmmmm fire |
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I removed the clean out plug at the bottom to dampen the air and it started to burn at a more reasonable rate.
| I heated a small transmission gear to test it |
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