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Benzine

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  1. Like
    Benzine got a reaction from Bill Kielb in Inherited a kiln   
    Neil is a kiln expert, who builds and services all types of kilns.  Bill is also an expert.  
    I would heed their warnings, and take their advice, even if it contrary to what you were hoping to do.  
    If you do want to fire ceramics, you are better off looking for a used electric kiln.  If you want to fire with gas, you can modify an electric kiln to do so.
    Alternately, just look for a community studio, where you can get experience, without committing to equipment.
  2. Like
    Benzine got a reaction from LeeU in Ceramic Artist Slang   
    I think I first saw that term used here, by Pres.  I do use it, in my class as well, but not as an alternative to leather hard.  I consider them two different drynesses.  Cheese hard, is a bit softer, with more flex, than leather hard.  It's kind of a nice intermediary stage, between workable and leather hard.
  3. Like
    Benzine reacted to neilestrick in Inherited a kiln   
    To use real burners, you'll have to make holes in the walls for burner ports. You'll also need to have space inside the kiln on either side of the stacking area as fireboxes where the flame comes in. You don't want the flame shooting directly onto your pots. That means the actual useable space inside the kiln will be much smaller than what you see, probably only one shelf wide. The kiln wasn't built with that in mind. I also think the flue opening is probably too small.
    Is there a damper in the chimney? With a chimney that short, and having to cut burner ports, you'll want to use power burners because you can just use 2. But you'll need to figure out how much gas you'll need, and if the current gas lines can even supply the BTU's needed for an all-hard-brick kiln.
    If the floor of the kiln is truly just one brick thick, then it's really a safety issue because the concrete below could spall (explode). The mortar in the outer layer of the walls could do the same thing.
    I would talk with the landlord and see if you can rebuild it properly.
    For what you might spend on burners, you could buy an electric kiln that you know is safe, or even an old used electric that you convert to gas.
  4. Like
    Benzine got a reaction from Rae Reich in Ceramic Artist Slang   
    My College Instructor picked up one of my mugs and said, "Well, that's insulated!"  He was correct...
    In my classroom, we have a nasal aspirator, for dripping and splattering.  The students usually stare at me blankly, when I call it that, but they definitely know what I'm talking about, when I say "Baby Snot Sucker"!
    I also have a wood paddle for shaping.  Years ago, after salvaging a  couple coil pots with it, some students referred to it as "The Pretty Stick".
  5. Like
    Benzine got a reaction from Rae Reich in What to do with unfired or raw pottery and sculptures   
    I had a sculptural piece, from my Freshman year of College.  It was meant to be a practice exercise, but I had never done something like it before, and wanted to keep it.  The instructor said I could, so I wrapped it, in paper towels, and put it in my supply box.  Then I promptly forgot about it for years.  I would occasionally find it again.  I finally fired it a couple years ago, some fifteen years later.
  6. Like
    Benzine got a reaction from Rae Reich in Inherited a kiln   
    Neil is a kiln expert, who builds and services all types of kilns.  Bill is also an expert.  
    I would heed their warnings, and take their advice, even if it contrary to what you were hoping to do.  
    If you do want to fire ceramics, you are better off looking for a used electric kiln.  If you want to fire with gas, you can modify an electric kiln to do so.
    Alternately, just look for a community studio, where you can get experience, without committing to equipment.
  7. Like
    Benzine got a reaction from Callie Beller Diesel in Ceramic Artist Slang   
    My College Instructor picked up one of my mugs and said, "Well, that's insulated!"  He was correct...
    In my classroom, we have a nasal aspirator, for dripping and splattering.  The students usually stare at me blankly, when I call it that, but they definitely know what I'm talking about, when I say "Baby Snot Sucker"!
    I also have a wood paddle for shaping.  Years ago, after salvaging a  couple coil pots with it, some students referred to it as "The Pretty Stick".
  8. Like
    Benzine reacted to Pres in Mishima on bisque   
    The idea behind traditional mishima,  is a technique of inlaying slip into incised(carved lines and shapes), the technique requires inlaying the slip into the carved areas and then removing the excess with scraping to leave the contrasting mishima lines showing.  In following with the technique, slip could not be used on carved areas in bisque. However, you could experiment with other colored materials, underglazes, stains, or glazes to fill the areas of ground designs in the bisque and then glaze with a transparent glaze.
     
    best,
    Pres
  9. Like
    Benzine got a reaction from Pres in What to do with unfired or raw pottery and sculptures   
    I had a sculptural piece, from my Freshman year of College.  It was meant to be a practice exercise, but I had never done something like it before, and wanted to keep it.  The instructor said I could, so I wrapped it, in paper towels, and put it in my supply box.  Then I promptly forgot about it for years.  I would occasionally find it again.  I finally fired it a couple years ago, some fifteen years later.
  10. Like
    Benzine reacted to dhPotter in Smoothing Uneven Surface On Greenware   
    USe a soft rib over the trimmed areas.
  11. Like
    Benzine got a reaction from Bill Kielb in Ceramic Artist Slang   
    My College Instructor picked up one of my mugs and said, "Well, that's insulated!"  He was correct...
    In my classroom, we have a nasal aspirator, for dripping and splattering.  The students usually stare at me blankly, when I call it that, but they definitely know what I'm talking about, when I say "Baby Snot Sucker"!
    I also have a wood paddle for shaping.  Years ago, after salvaging a  couple coil pots with it, some students referred to it as "The Pretty Stick".
  12. Like
    Benzine got a reaction from Bill Kielb in What to do with unfired or raw pottery and sculptures   
    I had a sculptural piece, from my Freshman year of College.  It was meant to be a practice exercise, but I had never done something like it before, and wanted to keep it.  The instructor said I could, so I wrapped it, in paper towels, and put it in my supply box.  Then I promptly forgot about it for years.  I would occasionally find it again.  I finally fired it a couple years ago, some fifteen years later.
  13. Like
    Benzine reacted to Bill Kielb in Bad experience   
    @Hulk
    Wise shelf displacement. At top temperatures there is virtually no convection (this is why when you pull a site plug no air comes out, it’s too thin at high temperatures to contain a significant amount of heat) so all the pieces that can SEE  the elements will get more heat than those that cannot. This is called radiation and is the main way your kiln heats at upper temperature.
    Better to stagger shelves as they will receive radiation  from any element they can see between the shelves. Sort of like being in the sun or shade with zero wind.
  14. Like
    Benzine got a reaction from Chilly in Kiln repair costs   
    Minus the computer controller, kilns are simple devices.  Things like replacing elements, thermocouples, etc is pretty straight forward.  
    I can't really tell from the photo, but you said something just became disconnected?  Can it simple be reconnected?
    Make sure the power to the kiln is disconnected, before attempting any repairs.
    Someone, with more kiln repair/ maintenance experience than myself will be able to chime in, and give you a better idea of what to do.  But I'd hold off on hiring someone, until you know if it is something you can or cannot do.
  15. Like
    Benzine reacted to liambesaw in Olympic Electric Lid Question   
    Not a good idea to stack stuff on the lid, remember it's only held together by sheer will, and a thin layer of airset.
  16. Like
    Benzine reacted to Callie Beller Diesel in Help colored slip turned black   
    A shot of peroxide will also work, if you dislike the notion of using bleach. A little mould won't hurt the slips: stains are stable at room temperature. However the stink is no fun, and if it's bad enough you can't see the colour, that's a problem.
    I don't think the mould is a result of a sealed or unsealed container necessarially. Reclaimed clay can have extra things like dead skin cells and whatever else that can make excellent growing medium, or if there was anything in the container to start with like a tiny trace of yogurt.
     
  17. Like
    Benzine got a reaction from Babs in Help colored slip turned black   
    You've just got a bit of fungal, or bacterial growth.  Based on the smell, I'm guessing bacterial.
    I believe that some potters add a small amount of copper carbonate to their slips and stains, to prevent growth.  Someone will be able to chime in, and give you a better idea.
    However, your slips will still fire to the correct color, in the kiln.  The black color is organic material, and will burn out.  Unless of course, there is a bacteria or fungus, that can withstand kiln temps... Then God help us all!
  18. Like
    Benzine got a reaction from Rae Reich in Help colored slip turned black   
    You've just got a bit of fungal, or bacterial growth.  Based on the smell, I'm guessing bacterial.
    I believe that some potters add a small amount of copper carbonate to their slips and stains, to prevent growth.  Someone will be able to chime in, and give you a better idea.
    However, your slips will still fire to the correct color, in the kiln.  The black color is organic material, and will burn out.  Unless of course, there is a bacteria or fungus, that can withstand kiln temps... Then God help us all!
  19. Like
    Benzine reacted to oldlady in does anyone recognize the source of this glaze recipe?   
    this is for a very nice clear glaze that seems to work on many different clay bodies.   source unknown but i always try to find out the origin of any recipe before i use it.
    clear glaze cone 6
    gertsley borate          21
    wollastonite                    8
    neph sy                           30
    EPK                                  10
    silica 325                        31
             total                      100
    thank you.   
  20. Like
    Benzine reacted to liambesaw in Olympic Electric Lid Question   
    A lot of kilns compensate for heat loss from the lid and floor by having different (hotter) elements at the top and bottom sections
  21. Like
    Benzine reacted to Marcia Selsor in What’s on your workbench?   
    working on a new batch of pots for soluble salts. will be writing 2 articles about discoveries in PMI and Revisita Ceramica International. Workshop schedule filling up for 2020. 
     
    Marcia

  22. Like
    Benzine got a reaction from GEP in Japanese Pottery, Break from Tradition   
    I came across this article, and found it interesting:
    https://www.cnn.com/style/article/modern-japanese-ceramics/index.html
  23. Like
    Benzine got a reaction from Magnolia Mud Research in Japanese Pottery, Break from Tradition   
    I came across this article, and found it interesting:
    https://www.cnn.com/style/article/modern-japanese-ceramics/index.html
  24. Like
    Benzine reacted to Mark C. in What’s on your workbench?   
    My workbench /wheel is now empty after a two week production  run that may have been one of my largest output periods ever. The last two kilns are firing now and the van is about 2/3 full for an upcoming big show. This last two kiln loads has my wall fish and odds and ends in them. I plan on a small ceramic break after the show and do some diving before returning to my remodel for a few weeks in August. I'll get back to clay near end of month for fall shows .
    Now packing for a huge show and a dive trip all in same vehicle .
  25. Like
    Benzine got a reaction from liambesaw in What’s on your workbench?   
    Best of luck Liam!
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