Charcoal Forge Build

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Jan 1, 2009
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I've had several e-mails from members about the charcoal forge I use, I needed another for welding so we took pics along the way.
All you need for a forge is a hole in the ground, some type of fuel and a way to put oxygen to it. In a lot of the world it is still done this simply. A very talented Bladesmith by the name of Tim Lively put these elements in a portable, inexpensive and very efficient design. This one is patterned after his.
I started with a 5.5 gallon oval washtub. (this one was used as a planter at a wedding) , a 30″ long piece of 1″ black iron pipe, good old ‘Carolina clay, an old vacuum cleaner hose, a tupperware container and a 14″ hand cranked blower.

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I drilled 1.5″ holes in the ends of the tub for the pipe ( called a Tweer in a forge) and a bucket of clay. Tim used adobe , I have clay.

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All I’m doing is building a U shaped trough down to the tweer which will insulate the sides. I’m shooting for about 2″ of fuel under the iron and the same above. Get your hands dirty, will not hurt bad. And then I let it dry overnight.

Next I drill a series of 1/4″ holes in the tweer about an inch or so apart(air outlets) and I needed to adapt my 3 1/2″ outlet on the blower to the 1 1/4″ hose. I went through Lovely Brides Tupperware and found one that fit the outlet and cut a hole in the bottom for the hose. A piece of HVAC tape seals it.

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I need to plug the other end of the tweer pipe. If you buy pipe get one end threaded and use a cap. I had this pipe laying around and it’s not threaded so a chunk of wood out of the burn pile will do for now. We need this end removable to clean out the ash on occasion.

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Look, a ChurchandSon ‘hawk to trim it (Sold separately)

And here it is connected to the blower. I started this Saturday afternoon and now it’s Sunday.

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Stump logs are a Blacksmiths friend. And a washtub of homebrew charcoal

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Lets crank this thing up. The clay is still damp and it will crack as it drys, after the first fire I’ll put a thin coat on it to fill cracks. The clay works good, after several fires it turns very hard and reflects heat well. Think of a fired pottery finish.

ChurchandSon at work. I’m the good looking one with the glasses on my head and VooDoo is the long haired one with the ever present headphones (He’s a musician, I think they come standard)
The in a former life horse trailer is "Redbud Mobile 1", we throw all our stuff in it and use it at demonstrations, fairs and reenactments.

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See who's doing all the work? Don't want to blister those talented fingers!

And throw a little iron in it. That is a railroad bolt, 1 1/4″ thick.''

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That’s after about 5-6 minutes. It will get hotter as it cures and will be easier to bring up to heat.

It doesn’t take much money or time to get heatin’ and beatin’. Just the desire. Over the next few weeks we will be making a post anvil and some hammers. All from re-used materials......Randy
 
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Good Post. I have seen about a dozen forges built with fire bricks, brake drums, etc. I like the looks and size or your offering.
 
Thanks Gents. As Mr. Frost said "The road less traveled" . It still amazes me what can be made with other peoples trash. My first forge was a thrown out grill and a homemade box bellows........Randy
 
That's a great rig there Randy, think i'll build me one of them. Not sure where I'm gonna pick up the Carolina clay though;-))
Cheers bud, I needed another distraction.

Best regards

Robin
 
Very cool. I look forward to the coming post you mentioned. if I may ask, how do you make your Home Brew charcoal?
 
Thanks Gentleman.

Robin, My suggestion on the 'Carolina clay is to move here. Semi seriously, Kitty Litter, the cheap stuff without scent, is mostly clay. Mix it with sand, wet it and you have abobe. Also if you find pottery makers, they know where the clay is. Distraction, I don't understand. Look, shiny metal.
Mr. Bake, Google making charcoal and you will get about a thousand different ways. We live out in the woods so Mother Nature is constantly throwing limbs at us. We pile them up and burn a couple of times a month. When the fire is starting to die down I put it out with a hose and the steam explodes charcoal into pieces about the size of golf balls. A couple of days later I shovel out the good stuff and leave the larger pieces for the next burn. Not real scientific but the yard gets clean and I get charcoal - Biodiversity.........Randy
 
Excellent post and ideas. Thanks for sharing. No my mind is going a million miles an hour - can i do this?
 
Outstanding Mr. Church, we have tons of red clay here in the Ozarks, just got to get all danged rocks out of the way. I thank you for the info on using what ya got.

Now, Boy Church, you need to get to work and feel some pain and suffering so you can get some heart and soul in your music

thanks so much, Pat
 
Thanks Mr. Church. I did look it up after I asked. I felt kinda silly for not doing that first. However, I do have a trash pile that needs to be burned so i may give your method a shot to see what I come up with. Thanks again for the information that you are putting out. very cool.
 
Hey Randy, a couple of questions for ya. Can you really get to welding temp with this forge using charcoal? Do you use just hardwood charcoal or do you mix it up? For welding temp do you have to run your blower full time during the "soak"?

Thanks bud, I'm inspired.

Best regards

Robin
 
Thanks Gents.
Robin, yes on the welding but you have to build up a good base of coals and put a couple of inches of fuel on top of the iron, like the coal burners do with their caves. then a steady crank till you start hearing that jet engine sound. You have to watch closely at that temp or it will start sparkling and burn out the carbon. The heat from pine charcoal is amazing. Hardwood burns longer but not as intense as Pine. And I make it out of whatever Nature throws at me but my favorite is Pine about the size of golf balls. Starts easy and comes to heat fast.

we have tons of red clay here in the Ozarks, just got to get all danged rocks out of the way.

My Grandpa said his dirt had to be good or it would not hold up all them rocks.........Randy
 
Would my Pa clay that i have work? Its a wet grey clay that i can't stand, yet now might be sitting on my own little personal gold mine if I could forge with it.........stupid Pa clay anyways......
 
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