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lukeseall

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  1. Well thanks for helping me get to the answer. I'll probably have to start a new thread when it comes to fitting them!
  2. Thanks Bill. I sort of know what you mean. Assuming my readings are accurate then the elements have between 10% and 16% increase in ohms. Which means I need some new ones I guess.
  3. Thanks all. Have asked the kiln manufacturer for resistance values and will get the multimeter out tonight!
  4. I was wondering if someone could cast an experienced eye over these elements for me and tell me if you think they need replacing? I suspect they do as my kiln struggles over 1100 degC. Not really sure what to look for in a knackered element though. Is it sensible to replace all elements at once? Or is it possible that some wear out faster than others and you don't always need to replace them all in one go? Thanks Luke
  5. Thank you so much for taking the time to help me, especially MMR! Much appreciated. One question - if I fired the kiln empty with just furniture and cones, would it heat significantly different to when it’s full? I’m thinking about just doing a few test fires to try and narrow down what cone I’m actually achieving.
  6. See attached. This pad actually broke in kiln but other one was the same and intact. Cones are all different colours before depending on which cone. After they are all white.
  7. Errrrm. No idea. Bought the kiln second hand but the documents that came with it imply that the controller is compatible.
  8. Homemade pads. I set the cones to the same angle as when the are on a flat surface. But they haven’t just bent they completely melted. Can’t see how they could have gotten wet. Had some on bottom shelf and some on top shelf. Both ended up the same. Glazes actually look look pretty good but have only fired twice so not much to compare with. Controller is electric. Wondering if temp gauge is faulty but 12 hours seems like a reasonably amount of time. And melting a cone 8 cone when I was only aiming for cone 4 temp seems too extreme. Would leaving the kiln to coo
  9. Electric kiln. 80 litres. 7kw. 100 degC per hour up to 600 then full speed up to full temp then 15 min hold. Then it takes about a day to cool down. Thanks for for help btw!
  10. Sorry I meant 1200 not 2000 yes I double checked the cones are correct. That was my first thought.
  11. My pyrotechnic cones are completely melting rather than just bending. I'm a bit baffled. On my first ever glaze firing I was aiming for Cone 5 and set controller to go up to 2000 deg C. I put a 3 orton cones in (4, 5 ,6) . the firing took 13.5 hours and all the cones completely melted. I assumed that the firing was a bit slow and I was over firing. So the second ever firing, I reduced the target temperature to 1186 deg C. This time I put in 5 orton cones (4, 5, 6, 7, 8). The firing took 12 hours and still all the cones melted. Even the cone 8! I am quite new to this but
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