Ray Bright's Profile
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- In the Studio (23 posts)
- 22-July 12
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- Oct 28 2012 11:32 AM
Topics I've Started
Posted 22 Oct 2012I'm trying to run two batches of greenware, one weeks dry the other one week dry, and wonder if I can somehow dry them both a little more before 1-firing them? I've heard, only in passing, about "candling" which I assume means a slow low heat cooking of the greenware to dry it out. Is that what candling is? And, is that a good way to insure my greenware is sufficiently dry? Is there a way to 'know' the clay is dry enough for cone 05?
Posted 17 Oct 2012My last post, Hairline Cracks..., has generated a good deal of interest in fixing cracked kiln bottoms, and for GOOD REASON. So I hope to further this discussion, because there are unanswered questions, and a lot of dangerous kilns. Here's the last post @ my last post:
If it's not impolite, I'll jump on this thread with a similar question. I am a self-taught potter that has never fired. I recently moved from Oregon back home to Costa Rica, and took an electric kiln with me (it was tested before I shipped it, and passed with plying colors). During the move the metal legs buckled and folded, resulting in some decent cracks in the bottom of the kiln. more than hairline, see the attached pictures.
someone recommended using a kiln-repair paste on those bottom cracks, so I had a friend bring some down, but haven't had a chance to use it or test the kiln yet.
My question to you guys, is for tips for a Newbie, on how to baby my kiln to compensate for those cracks. Being in Costa Rica, I can't easily order specialized items, and I can't easily replace that kiln, I need it to last me many years.
I will need to come up with a different base since the metal one is busted. I had never considered that the base needed to be perfectly level. what other things should I consider for the base support? I'll need to MacGyver it, and I had originally thought that I could sit the kiln directly on some cement blocks. bad idea?
thankfully I brought some extra kiln shelves with me, so I have both full and half shelves. should I just plop one on the bottom of the kiln? should I sit one under the kiln to help distribute the load?
thank you all for the amazing resource, this is incredible support.
Since this is such an important safety issue, Can we get a definitive answer? Just asking . . .
Posted 12 Oct 2012Got hairline crack. Is this catastrophic?
Posted 10 Oct 2012My 1st firing has produced a strange effect: the clear glaze on the edges of my pieces are smooth, but in the center they are bumpy, seem not totally fixed to the substrate, covered with a sort of orange peel. The glaze is still clear, not all pieces are like this, and I think I may have laid on way too much glaze in my zeal to make very shinny objects.
Posted 8 Oct 2012P4230002.JPG (65.4K)
Number of downloads: 19I am firing an old Skutt 231-18 for the first time I just bought. I am accordingly paranoid. I'm 5 hours in, going for 05, and Suddenly I can see around the entire lid about 1/16 of an inch gap between the lid and the body of the kiln. (see picture attached) It's glowing. The other points of contact, the bottom and the two rings are sealed just fine, cant' see any glow between them. IS THIS NORMAL?
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