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About Russ

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    Advanced Member

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  • Location
    Santa Fe, New Mexico
  • Interests
    Wood firing

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  1. High end or low end grinders will all get trashed with the dust. Makes no difference how much you pay. I've extended the life of the grinder by taping a strip of coffee filter across the fresh air intake on the grinder. one just has to keep it from clogging up by brushing off the dust . If one forgets it gets too hot the thermal breaker on the tool will kick.
  2. On my wood fired kiln i have a hard brick arch single row like yours. On top of that I have around 2 to 3 inches of kaowool. Above that is a lower temperature rockwool insulation. It holds in the heat quite nice. I see no need for doubling up on the hard brick. its just more mass to heat up.
  3. Fill in the gap where the key brick is supposed to go? I think even a commercial castable refractory would start to fail and crumble after just a few firings. Is that what youre asking?
  4. I only wedge large amounts of clay ( 15 lbs or more). everything else is "wedged" on the wheel. And i make my own clay And i dont have a deairing pugmill. I did not learn this way. I have just adapted to doing it this way.
  5. I have some home made bats that Icut from Medex almost 30 years ago that are still in service! Its more expensive but its for exterior use which means its quite tough. From what Ive been told the highway department uses it for their road signs. Good stuff medex.
  6. Could it be a newer Arc fault type breaker (AFCI) thats causing the problem? Those things trip if you look at them wrong. With an old old motor with worn brushes arcing could be the problem?
  7. I figured out that slooooooow cooling of the glaze firing will virtually eliminate pinging. Being patient when it's down to 300f is rather hard but think about how much time and effort went into making an entire kiln load of wares and being so impatient that one is willing to take the chance of ruining all that hard work. If pinging is an issue perhaps allowing the kiln to cool to room temperature would be worth a try. I know that glaze to body fit is a whole other issue but I'm just saying it might be worth a try... That aside wouldn't it be fun to purposely "glue" a mass of rejects together in the kiln?
  8. Pings from "people" or cooling ceramics too fast "pings"?
  9. Right Rae but I doubt anything will be able to withstand the freeze thaw cycle. Winter can be pretty tough on ceramics left out in the weather.
  10. Just thinking outside the box... have you thought of firing them into a mass? I've had my share of kiln sculptures.. the latest one was a 12x24 shelf that broke during the firing. The mass since sitting on the corner of the wedging table. I plan on turning it upside down adding small led lights and making a chandelier.
  11. Speed of drying doesn't matter as long as the clay dries EVENLY.
  12. OK my 2 cents. Thomas Stewart pro with the leg extensions. When you start making large pieces the extensions can be removed and with the large motor nothing will stop it. I actually looked at a new Brent 2 days ago and I could grab it and stop the wheel head! With the TS pro if you try that and can by some miracle succeed the earth will spin backwards. ..other things I noticed was the actual wheel head. First the TS head is removable making it by far easier to install bat pins and to clean. The wheel head is a SOLID 1/2 to5/8 inch thick whereas the Brent and most others are thin cast with gussets. just my 2 cents.
  13. Thank you Jennifer! how awesome are you?!!!
  14. Some Japanese fire their porcelain on a disk made of the same clay called a "hamma". It shrinks at the same rate as the piece relieving stress at the foot. For larger pieces this might be practical. Hamma' s are a one time one use throw away deal... but if you spend multiple hours on a piece I'd sure make one.
  15. Thank you Min! That's all it took... why wouldn't the default be "on" instead of having to try to figure all this out? Can I be in the secret society now that I know the secret handshake?
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