Daraburn@AOL.COM on wed 24 jul 02
What's this about firing platters on edge? I don't understand...please
explain. I bisqued (06) some plates that were stacked upside down and
layered like dominoes that have fallen and they warped really badly on the
rims. I also stacked some plates (5 or 6) right side up nested inside each
other and 2 cracked...one on the rim and one between bottom and rim. So can
someone give me a brief explanation of how to stack for bisque firing?
Thanks,
Dawn
Hank Murrow on wed 24 jul 02
>What's this about firing platters on edge? I don't understand...please
>explain. I bisqued (06) some plates that were stacked upside down and
>layered like dominoes that have fallen and they warped really badly on the
>rims. I also stacked some plates (5 or 6) right side up nested inside each
>other and 2 cracked...one on the rim and one between bottom and rim. So can
>someone give me a brief explanation of how to stack for bisque firing?
>Thanks,
>Dawn
Dear Dawn;
Either your plates were slightly damp when you loaded them
in, or your clay begins to vitrify around C/06. I stack all my plates
and platters on their rims (up to 22" diam.) and they never crack or
warp unless they went in too damp (warping) or I fired too quickly
(cracking).
Best, Hank
foxpots on thu 25 jul 02
Dear Kathi,
I finally had to jump in on this discussion. Some time back I discussed
this subject with Mel, and he recommended firing on the edge. Now, my
problem is that my platters are so thin that I am too chicken-_ _ _ _ to
even TRY firing them on their edges. I am just SURE they will do something
dastardly. I am working on (70) four pound thrown weight platters, throwing
them on a 14" batt (using all but about 3/4 - 1" of the batt), so they are
coming out about 15" to 16" diameter and about 3/4" h.
o.k. what do you guys think about this?
Thanks kindly,
Jean Wadsworth Cochran
----- Original Message -----
From:
To:
Sent: Thursday, July 25, 2002 1:47 PM
Subject: Re: firing platters on edge?
> To fire plates, platters on edge either make a form that they can lean
against or lean them against tall pots. I've never lost a large platter
bisque firing on edge. But I've lost lots of them firing flat.
>
> Kathi LeSueur
>
>
____________________________________________________________________________
__
> Send postings to clayart@lsv.ceramics.org
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DEBBYGrant@AOL.COM on thu 25 jul 02
Dear Dawn,
I believe the safest way to stack plates is rim to rim and foot to foot. I
never
have warpage or cracks doing it that way.
Best,
Debby Grant in NH
KLeSueur@AOL.COM on thu 25 jul 02
To fire plates, platters on edge either make a form that they can lean against or lean them against tall pots. I've never lost a large platter bisque firing on edge. But I've lost lots of them firing flat.
Kathi LeSueur
KLeSueur@AOL.COM on sat 27 jul 02
<>
The platters we fire are quite thin. They survive firing on edge just fine. I have found that it is best to lean the bottom of the platter against something rather than the front. It keeps the stress off of the rim.
kathi Lesueur
foxpots on fri 30 aug 02
Dear Kathy & Mel & All of You:
Well, I finally broke down and followed your suggestion on one of my
platters, fired it on edge. It did just fine. Don't call me a hard head
though, it just takes me a while to listen (could I be a hard head, nahh).
Thanks for teaching an un-teachable old set in her ways person.
Jean Cochran
----- Original Message -----
From:
To:
Sent: Saturday, July 27, 2002 10:53 PM
Subject: Re: firing platters on edge?
> <_ _ _ to even TRY firing them on their edges. I am just SURE they will do
something dastardly.>>
>
> The platters we fire are quite thin. They survive firing on edge just
fine. I have found that it is best to lean the bottom of the platter against
something rather than the front. It keeps the stress off of the rim.
>
> kathi Lesueur
>
>
____________________________________________________________________________
__
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
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