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Found 12 results

  1. Since day 1 I wanted to do wood firing. I started with an electric kiln and although it is possible to do interesting things I'm still focused on ultimately doing Anagama. I cant truly test Cone 10 glazes in my electric and want to get as close to possible to that environment, which means a way to do reduction, neutral and oxidation. So I got a broke down Duncan kiln donated to me and the burner came in today so I'm super excited!!! Stripping it down tonight and getting the elements out then will figure out how to cut the burner port and the top opening. Then I have to find a 40 - 50 gallon tank. Gaaaaaaah excited! df
  2. Hi, and best holiday wishes and a Merry Christmas to all~ I have a 55Gallon barrel drum Raku kiln, but even with two 300000btu brush torches I cant get past 1600F, and my Amaco Glaze matures at cone five, 1895-1900. Is there a burner that can get me to cone 05, or do I search for lower fie glazes? I've really been trying what I can dream up, but just cant hit that temp. Any Insights would be very helpful. Thanks! I have a 4" port, and a 6" exhaust. I have one layer of kiln blanket, and the 3" barrel bung open for exhaust.
  3. From the album: Kilns designed/constructed by John Baymore

    A small propane fired sprung catenary arch crossdraft kiln.

    © John baymore -all rights reserved

  4. From the album: Kilns designed/constructed by John Baymore

    A crossdraft propane fired gas kiln.

    © John Baymore -all rights reserved

  5. From the album: Kilns designed/constructed by John Baymore

    A propane gas fired car kiln built in a workshop held in Virginia.

    © John Baymore -all rights reserved

  6. From the album: Kilns designed/constructed by John Baymore

    A propane gas fired car kiln built in a workshop held in Virginia.

    © John Baymore -all rights reserved

  7. Hello, I have a 12 cubic foot updraft gas kiln, with 4 burners made by Contemporary Kilns about a hundred years ago...or at least 30. At any rate, I successfully fired this kiln with propane for the past 25 years that I have had it. Now being in the city, I am having to switch to natural gas. I talked to my local furnace supplier, and they contacted Ward Burners- found out that my propane orifices were size 50, and that I needed size 39 for natural gas. So they ordered them for me. I have installed them, explained to the gas company all the specifics of the burners- (80,000 BTUs / burner) and had a plumber come and put in gas line and regulators etc. So today we fired it up for the first time with natural gas... hmmm...very colorless flames that seemed bland. I used to only have the gas valve open just a bit with the propane, yet it was half open with the natural gas and still seemed not very serious... Ideas? Input? what am I doing wrong? Thank you for any ideas! Pat
  8. Hi, Totally new here, and completely over whelmed. I got into throwing pottery back in high school, and have always wanted to do it again. I just bought me a wheel to begin throwing again, but Im at a loss from here. I have no idea what kind of clay to buy. I never knew there were so many options. My husband and I are wanting to build a propane kiln to fire out pieces in, so Im looking for suggestions on what kinds of clays are best to use for this kind of method. Also, anyone with info or experience in building a gas kiln? Any information I can get will help. Thanks so much!
  9. I am setting up a gas kiln on my property. Can someone tell me how close or far away a 120 gallon propane tank should be from the Olympic 2827G Kiln? Can it be as close or as far away as I want it or is there a standard distance for safety etc.? Thanks for any advice!
  10. Here's a dreaded copy-and-paste from my blog. Wanted to make sure I shared it here, too. I've had an awful lot of help from folks here. Maybe someone someday can glean something helpful from this story. --------- In the Summer of 2012, I brought home this little Paragon electric kiln (from the next province over - and oh, what an adventure this trip was!) and parked it in the driveway, covered in a bright blue tarp, for the winter. My neighbours were pleased, I'm sure. This Spring, we moved it to the back yard. Where we covered it in a bright blue tarp. The opposite-side neighbours were even more pleased. I'm sure. I named her Strega Nona. We immediately set to work, converting her to burn propane (and eventually play with soda). We initially used a large bit for the holes - burner port and the first soda port - but that didn't go so well. At all. So we switched to the grinder for the metal, then a smaller bit for the brick portion of the smaller soda ports. She was a mess afterward.
  11. So I've converted another little electric kiln to run propane. My plan is to use it exclusively, for soda firings (by exclusively I mean I have no other kiln to use - even for bisque, so this one has to work, somehow). I've done two firings - one straight propane, the other with soda (Gail Nichols' method of chunks, but inserted with pieces of tree bark). They were successful in that nothing blew up (note they weren't bisqued) and they reached them, but not so much for the soda. The system I currently have is far from perfect, and will probably never work the way it's set up. (I have three shelf supports placed in front of three separate ports, where I gently place the soda/wood. It pretty much just sits right there, doesn't disperse through the kiln more than an inch or two.) I'm thinking of remodeling it. And am wondering: Is there any reason I can't make this thing a cross-draft? Is there a particular size need for a firebox - a size I wouldn't be able to obtain? Will a cross-draft concept not work with a flat roof? Here's my thought: Make two chambers like this fella did: http://www.youtube.com/watch?v=iD3hcHQrfkY One for the chimney, as he did, and one on the opposite size of the kiln, but with the board going only part-way up, acting as a bag wall. Having no knowledge of kilns, I'm certain this idea of mine is ridiculous. But wondering why. I realize I'd be left with a very small stacking space, but I already have that now, as I'm staggering 1/4-shelves all over the place and leaving large spaces to introduce the soda. I'm hoping that, if I can do this crossdraft thing, I would 1. Be able to concentrate the soda introduction into one, protected, space - the firebox. And 2. Have an easier time stacking the shelves - as they would be uniform size and shape, each stacking on top of another (instead of cantilevered between two or three other shelves and the floor). Any help would be so greatly appreciated. I should add I have another, smaller kiln (the one described above is ~ 7 cu ft and the smaller one is ~ 3 cu ft) that I could use ... Not sure how. As a firebox, somehow? Hmm. Would love to hear any ideas you have. I might post pics...
  12. I have found several pages that all repeat the same: OK, fine by me Lets say we have a 250 l kiln (9 cf). We are going to need 16000 x 9= 144000 BTU We know that 1 Kg of propane packs about 13.97 kWh or 47668 BTU So, 144000/47668= 3.02 Kg (6.65 lbs) of propane per firing to cone 10? (I am using weight and not the volume because volume can be anything if exact pressure and temperature are unknown) Q 1: How close is this to actual gas usage? About the downdraft kilns and actual stacking area. Q 2: Is it safe to say that 250 l total inside volume will give us only about 155 l of stack space? I am asking, because we like to make some firing cost calculations before we start taking bids for building a 250 l kiln... or do we actually need a 350+ l kiln Thank you.
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