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ojb

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  1. Hi Mihai, Just wanted to check how you're getting on with this project? I'm planning to build an efficient ceramics kiln for my partner that's pretty similar to yours. My planned specs are: 30cm x 30cm x 40cm, front loader, made from 50mm ceramic fibre board, backed up with 75mm ceramic fibre blanket, and with an aluminium case. We have 16 amp circuits too, so I'm looking to power the kiln at about 3000 watts / 13 amps. Aiming to get it to around 1280 degrees C. I'm shopping around for some 1.8mm Kanthal, looks quite expensive. I bought a ramp / soak PID controller from AliExpress, hopefu
  2. Thanks Min. Looks like Northcote Pottery supplies don't sell spare parts for those kilns, but I can get some quotes from the kiln manufacturers.
  3. I think I'll just go with the plain old IFB bricks after all, at least for the floor and walls. Yes I really like the design, but I'm not sure I could replicate it and even if I could, it would be out of my budget due to the cost of the fibre board. I've looked up a few similar kilns but so far haven't seen any that specify what gauge wire they use. I'll keep looking. We don't have Euclids in Australia so I'll have to find another retailer for the wire. I'll get a quote from Kanthal (the company), I suspect they won't be cheap though. I think I'll be using the drill m
  4. I haven't looked into the ceramic rod option, but yes, I suspect they're probably not cheap.
  5. Thanks for the comments. There are ceramic kiln manufacturers out there that make good quality fibre kilns, including Woodrow in Australia and Blaauw in the US. Paragon also are starting to use fibre. So I don't think it's impossible to build a good kiln with fibre, but since it's my first kiln, I'm probably better off going with IFB (with calcium silicate backup), for all the reasons mentioned, not least because of cost. I think it would end up costing about twice as much in materials if I go with fibre. I may still use fibre board for the door though, and potentially the ceiling. N
  6. Thanks Babs and Neil. For attaching the elements, I was thinking of just cementing strips of fibre board to another sheet of fibre board. I would cut the strips at an angle such that the resulting grooves slant downwards. You probably get the idea but I'll attach a diagram in case it's not obvious. I haven't seen anyone else use this approach, so I'm not sure whether it would hold up, or whether the strips would fall off from the weight. But I thought it could be a good way of avoiding the airborne fibre dust you'd get from carving out grooves. Neil, I saw your comment in another thr
  7. Hi all, I'm planning on building a hobby kiln for my partner, and am in the process of choosing refractory materials and kanthal wire for the heating element. Was hoping I could get some advice from anybody who knows about these things. I want the kiln to be light weight and very efficient. I'd like to use ceramic fibre board as an inner layer of insulation (rated to 1400 C / 2550 F), and calcium silicate board as a secondary layer (rated to 1000 C / 1830 F). The ceramic fibre board is very expensive compared to the calcium silicate board, but i can't only use the calcium silicate bo
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