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Rockhopper

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  1. Like
    Rockhopper got a reaction from Hulk in How to control old kiln   
    There are a lot of kiln experts here on the forums.  I'm sure one or more will respond - but you'll get the best guidance if you post a couple of pictures - especially one of the name-plate (showing model number) and one of the controls.
     
  2. Like
    Rockhopper got a reaction from Kelly in AK in Mayco raku glazes in electric kiln?   
    In addition to finding out if, or how much, the glaze will run,  the test tiles will let you see what the glazes look like without the reduction that takes place in raku process..  There's a good chance that without that step, they're going to look a lot different than expected - and your student may decide they don't like the results well enough to use it on the pieces they originally planned.
  3. Like
    Rockhopper got a reaction from Callie Beller Diesel in Mayco raku glazes in electric kiln?   
    In addition to finding out if, or how much, the glaze will run,  the test tiles will let you see what the glazes look like without the reduction that takes place in raku process..  There's a good chance that without that step, they're going to look a lot different than expected - and your student may decide they don't like the results well enough to use it on the pieces they originally planned.
  4. Like
    Rockhopper got a reaction from Min in Mayco raku glazes in electric kiln?   
    In addition to finding out if, or how much, the glaze will run,  the test tiles will let you see what the glazes look like without the reduction that takes place in raku process..  There's a good chance that without that step, they're going to look a lot different than expected - and your student may decide they don't like the results well enough to use it on the pieces they originally planned.
  5. Like
    Rockhopper got a reaction from PeterH in Mayco raku glazes in electric kiln?   
    In addition to finding out if, or how much, the glaze will run,  the test tiles will let you see what the glazes look like without the reduction that takes place in raku process..  There's a good chance that without that step, they're going to look a lot different than expected - and your student may decide they don't like the results well enough to use it on the pieces they originally planned.
  6. Like
    Rockhopper got a reaction from Roberta12 in Brush making   
    Have never tried it, but remember reading somewhere in this forum that skunk hair works quite well.  Don't recall who posted it, but they mentioned keeping a bag and gloves in their car, so they could collect such hair from road-kill when the opportunity arose.  
  7. Like
    Rockhopper got a reaction from PeterH in Brush making   
    Have never tried it, but remember reading somewhere in this forum that skunk hair works quite well.  Don't recall who posted it, but they mentioned keeping a bag and gloves in their car, so they could collect such hair from road-kill when the opportunity arose.  
  8. Like
    Rockhopper reacted to Dick White in Question about using clay in a silver mold   
    Put a single layer of Saran Wrap or similar thin plastic film over the silver bowl to protect it from possible chemical reactions with something in the clay. It is probable that nothing untoward would happen with the clay in the bowl, but don't take the chance on the unknown.
  9. Like
    Rockhopper reacted to Pres in Help! Always getting air bubbles at the base of my clay when centering.   
    I am wondering if the folks working on new wheels at home are at a disadvantage when comparing wheels. Many of the colleges out there, and group studios equip themselves with upper line wheels, Brent C, Whisper VL, etc. Working with a 1 hp wheel as compared to a 1/2 hp or even a1/3 hp wheel is much different, as is working on a motorized kick vs a belt driven. All of them take adjustment in your throwing style, and sometimes in the adjustment of the foot pedal. It may mean you cannot crank on the wheel as much centering quickly, but finesse the clay in to center so to speak. Just thoughts, but the recent problems with centering in the large studio environment vs home seems to be problematic, and could not be in ones head alone. 
    All IMHO.
     
     
    best,
    Pres
  10. Like
    Rockhopper reacted to neilestrick in attach a heavy ceramic sculpture to a base   
    I would make holes before firing, into which you could epoxy two threaded rods after firing, that could then be bolted to a base. Make the holes slightly larger than the rods to allow for shrinkage and make room for the epoxy.
  11. Like
    Rockhopper reacted to Callie Beller Diesel in Smelly Clay Scrap Bucket   
    +1 for peroxide. Just throw a shot of it in the bucket, and it’ll take the stink down until more stuff grows. 
  12. Like
    Rockhopper reacted to Min in Does Anyone Else Find This Odd?   
    I read this post the other day and thought I should just let my thoughts germinate for a few days. Like Callie says it's not really unbeleafable, root of the issue is having a seed land on your slip and left alone for a thyme and given a leaf of faith it will sprout. I better stop now before I'm blamed for disturbing the peas. 
  13. Like
    Rockhopper reacted to Callie Beller Diesel in Low vs Mid fire: Crazing and Warping   
    @Rockhopper cool!
    I mean the emphasis to be “I believe it’s possible” when I make statements like that. I’m trying to get away from making too many absolute statements when answering technical questions online. If there is a rule in ceramics, there is very likely an exception to it. 
    @Cfeng If your mom’s kiln isn’t as tightly packed as your instructor’s, the instructors kiln is probably cooling more slowly due to thermal mass. That will definitely slow crazing down. A tightly packed kiln is more efficient to fire, and makes a lot of other glazes turn out better. It’s frustrating to loose pieces to kiln kisses though. 
    It might be impolitic to buy one of your instructors pieces to test it for crazing. If you want to clarify something, I’d suggest making 2 test cups and firing one in each kiln to compare the difference .
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