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| Foundry Furnace for the Tiny Shop |
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| RobWilson:
Hi Will If you can hang fire untill the weekend I will measure up my crucible gear , easy to make , simple ,been using them for years :thumbup: Re bar makes for good poring shanks and the likes (nice and grippy) cheap to . Rob |
| Will_D:
Cheers Rob, No rush! Waiting for the weather to improve before cutting down the gas bottle etc. Yet another question: Using a butane/Propane tank as the basic for a charcoal/coke furnace do people build in a dump grate to empty the ashes or leave as is (much safer if a crucible breaks)? |
| RobWilson:
Never Charcoal fired Will , thats one for Steve . As to the safety hole ,mmm personally I think its safer that the molten metal stays in the furnace ,let it cool, break out solidified metal and repair/patch furnace lining ,so I have never had a safety hole in the bottom of any of my furnaces . Rob |
| Will_D:
Rob, I didn't mean a safety hole. Some solid fuel furnace designs I have seen incorporate a "Dump Flap" that allows you to drop the coals out of the cold furnace. (In paricular cupola designs). Otherwise you have to turn it upside down to empty it out! |
| vtsteam:
Mmmmmmmmmm, rebar! :drool: 1/2" dia, here. Actually these are mostly cupola tools....... but you get the idea! |
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