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Bill Kielb

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About Bill Kielb

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    Advanced Member

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  • Location
    United States - Illinois
  • Interests
    All forms of constructionist pottery, education, analysis, design and repair as it pertains the ceramic arts community.

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  1. Hopefully it’s not your pots, but if it is at least you know you have a glaze mismatch in fit so much so that it begins quickly. Had you simply ignored it, you might have been surprised with a delayed defect. I used to believe out of sight out of mind was good, sort of ignorance is bliss. Having had to work through some glaze fit issues I now believe the little bits of knowledge obtained by observing are worth the time to observe. Early on, other potters said that the wares were just talking while cooling so don’t worry. Later on I realized anything that is making noise while cooling almost certainly has a glaze fit issue to which then I wished - someone would have just told me that in the beginning.
  2. Bisque clay multiple times is fine. Eventually after enough refires they will weaken.
  3. Pretty unlikely as it’s naturally cooling while shut. It’s awfully hard to guarantee glazes fit without the something that says you always need to test them with your clay. Kilns probably cool in the range of 12- 30 hours, mostly due to size. You are doing the right thing in letting it cool and keeping it closed. It will be interesting to see if your pots are the source of the noise. When you unload, If you find defects take a picture or two and post.
  4. I think I would just order it from Amazon or similar. Probably not available in your typical auto store, maybe an auto paint supplier.
  5. My experience is that will end up closer to 100 - 125 cfm and 195 is a free air measurement at best. Typical four inch axial blower rating thing. Actually. If you do install you will likely want to make sure you have accounted for proper makeup air though.
  6. You may want to look on Amazon for some economical retractable castors if moving it in and out is a regular thing.
  7. The non locking ones must not swivel as well, otherwise he will chase his wheel side to side
  8. I guess I would just not take the risk actually so off to a lab it probably should go. Have it tested for lead ( they might be able to use xref, doubt it though) and cadmium ..... and maybe Barium ...... and maybe lithium and maybe vanadium pentoxide and ......... seems like lots of tests. Not sure I can think of all them. Maybe buy a nice looking plastic liner to complement it instead. Just my thought.
  9. Use the 3M, works like a charm, cleans up with water.
  10. Thanks, makes total sense as I think these have been around so long and have proven reasonably shock resistant.
  11. You could try 3m overspray masking. Thins with water and is common to those that spray auto paints.
  12. I tried to get everything oriented like that, mine seem to stay pretty random
  13. I have not seen that reference anywhere except for the very first firing to make sure they are completely dry. What speed are they saying, and are you sure it’s not just for the first firing? Or maybe for very large shelf shapes?
  14. The recommended (Editors choice) one has a precision of 2% and goes beyond cone ten and is 30:1 and is a bit cheaper as well than ennologic IRT. On the other hand K thermocouples are just handy, accurate and cheap. Pretty amazing actually.
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