Susan Fox-Hirschmann on sun 24 jun 01
I am considering buying a 27 cu foot Geil gas kiln but realize that the
shelves are 18"x18", and are set 4 across, and because of the bottom burner
configuration, are stacked with space between them. (hard to explain but
hopefully understandable to those of you firing a Geil this size). Since i
make large plates, I was wondering how i support a plate that was larger
than 18" diameter bottom , and if anyone out there in clayart land has
solved this potential problem.
thanks for your help.
Susan
annandale, VA
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Earl Brunner on mon 25 jun 01
My Geil is smaller, but I had essentially the same problem. I
originally bought a couple of 20X20 shelves, but since my stacking space
was that big i the first place I was choking off the flow back down in
the kiln.
I found that I could do one of two things that seem to work. One, I
place the 20X20 shelve at the very tome top of the kiln, so the rest of
the stake has good flow. Two, I started making large platters with
smaller feet and got some smaller shelves, like 12X12 and 14X14. I
place them 2 to 3 inch supports in the middle of the kiln. This raises
the shelf up and allows flow down through the space i the middle
underneath it. I try to have small things that will go under this.
Outside the 12 inch or 14 inch shelf as the open space gets larger under
the platter I put bigger things. I should think that you could adapt
this to your larger kiln. Hope I explained it right.
Susan Fox-Hirschmann wrote:
> I am considering buying a 27 cu foot Geil gas kiln but realize that the
> shelves are 18"x18", and are set 4 across, and because of the bottom
> burner
> configuration, are stacked with space between them. (hard to explain but
> hopefully understandable to those of you firing a Geil this size). Since i
> make large plates, I was wondering how i support a plate that was larger
> than 18" diameter bottom , and if anyone out there in clayart land has
> solved this potential problem.
> thanks for your help.
> Susan
> annandale, VA
>
--
Earl Brunner
http://coyote.accessnv.com/bruec/
bruec@anv.net
Hank Murrow on mon 25 jun 01
>I am considering buying a 27 cu foot Geil gas kiln but realize that the
>shelves are 18"x18", and are set 4 across, and because of the bottom burner
>configuration, are stacked with space between them. (hard to explain but
>hopefully understandable to those of you firing a Geil this size). Since i
>make large plates, I was wondering how i support a plate that was larger
>than 18" diameter bottom , and if anyone out there in clayart land has
>solved this potential problem.
>thanks for your help.
>Susan
>annandale, VA
Dear Susan;
This comes as late advice for you in your search for a kiln, but I
always advise potters to establish their shelf setting preference before
looking for a kiln. One's ware usually determines the setting pattern, and
making do with a pattern that doesn't fit is as bad as trying to get a poor
kiln design to yield a good firing.
When I designed my last kiln, I established a setting of two 14" x
28" shelves to give a 28" square level space to stack in, and designed the
kiln around that setting. It has worked well for me, though I haven't yet
made a 28" platter.
Good Searching, Hank in Eugene
Brad S. Reitz on mon 25 jun 01
I have a smaller Geil, but I have used a large shelf on the bottom and?or
on the top while splitting the ones in between. It hasn't resulted in
much difference in the temperature throughout the kiln. The bottom seems
to be more prone to cracking from thermal shock, probably because it is
fiber and quicker to cool there.
Brad Reitz
Las Vegas
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