The Shop > Metal Stuff
Foundry Furnace for the Tiny Shop
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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