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captmike

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About captmike

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  1. Thanks for the reply's. I plan to go by the fire department tomorrow and see what the have or where they get their stuff.
  2. Not sure where to post this so if incorrect please move. I have long (elbow length) leather gloves for removing hot pots from my Raku kiln (using tongs), but would like to have maybe a jacket or sleeves and apron. What do most of you use? Thanks
  3. Thanks for the input. I would like to build a front opening kiln, but that option is not possible with the parts I have. It will be a little more difficult to build a kiln that lifts off the bottom, but if I do that I plan to use an electrical wench.
  4. Hi New here and already have a question. Which type of gas Raku kiln is preferred by most; top opening or bottom? I am designing one and am at the stage where I can do either. Kiln will be about 30 inches deep. Thanks
  5. Funny you mention this. I have been testing in my current microwave kiln pretty heavily for the last two weeks, experimenting with glass and a few small raku pieces.. The first microwave blowed a fuse yesterday and then blows the replacement fuse. I plugged up my spare microwave oven and it worked fine until this morning and it to blew a fuse. I have st picked up more fuses from the hardware store (appliance fuses) and will see if they hold. It would not surprise me if the long term use of a microwave kiln has an effect on the appliance. John thanks for the explanation. Just never heard insulated fire bricks referred to as such.
  6. Thanks for the input John. I will show my ignorance by asking what IFB stands for. Thanks, Mike
  7. I'm sorry Mark, I don't understand you comment.
  8. Could be. I'm thinking maybe perlite mixed with a bonding agent. Don't know if sodium silicate would work or not. Do you know the thermal properties of perlite?
  9. You have to coat the inside (walls only) with fine graphite. You will have to use a bonding agent such as sugar (it will burn off). What I need to know is what type of material is used for the bod/insulation. The material is white and softer than soft kin brick. I ordered a few soft bricks and will try to build a square microwave kiln. I am still engineering on how to stick it together. I have refractory cement,but it may need a little reinforcing.
  10. Yes. The commercial ones are cylindrical in shape and come in three sizes. The insulation/housing material is very soft, softer than standard soft kiln brick.
  11. New to this forum. I have found lots of excellent information here so was wondering if any of you have experience in building microwave kilns. YouTube only has one video and I think there must be a better way. I have large microwave kiln and it is great for testing various techniques, but it is not going to last long. I was thinking about building one to my size specifications. The material used in my kiln is softer than soft kiln fire brick. Anyone know what is used? I am think in terms of using 9.5" soft firebrick and cutting them down to size and using refractory cement to put them together. I know I am reinventing the wheel, but that is what I do. Thoughts
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