Ned Ludd on tue 4 jun 02
Jules spake:
>Hey all! I've been reading with interest the posts on
>seeing witness cones, and was wondering if the red
>iron oxide painted onto kiln shelf supports would
>cause any structural problems in the long run.
Now, I often encourage the art of living dangerously, especially in
other people - it makes my life more interesting .... but would
I paint a FLUX on a kiln prop? No way! I'm not off my freakin'
gondola ....yet!
>My kiln
>has two small narrow peeps, and after nineteen hundred
>degrees Fahrenheit, everything disappears. I have
>tried everything, even opening the damper completely
>and turning the flame down to the lowest possible
>level. Due to the location of the peep holes, my cone
>packs go directly where the front center shelf support
>should be, so I put the cones in, with the support
>behind them.
Oh Jules, I cannot imagine a worse position. A dense thermal mass
right behind your cones - at cone nine it would be a miracle if you
could see a thing. Hmm, actually, it'd prove you were psychic ;-)
>If I could paint the supports,
Waste of time. You could, but at cone ten it won't make any difference.
My two cents: plug that peephole and drill a another one, same level,
a few inches to one side, so the prop is not in view.
Jules
good luck & happy punting, madame.
Ned
Julie Milazzo on tue 4 jun 02
Hey all! I've been reading with interest the posts on
seeing witness cones, and was wondering if the red
iron oxide painted onto kiln shelf supports would
cause any structural problems in the long run. My kiln
has two small narrow peeps, and after nineteen hundred
degrees Fahrenheit, everything disappears. I have
tried everything, even opening the damper completely
and turning the flame down to the lowest possible
level. Due to the location of the peep holes, my cone
packs go directly where the front center shelf support
should be, so I put the cones in, with the support
behind them. If I could paint the supports, then there
wouldn't be any more wasted space, and no additional
bricks or anything. I didn't think the oxide would
adversely affect the supports, but I wouldn't have
thought many things that have happened, so.... anyway,
if anyone knows for sure, please let me know. Thanks, Jules
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Logan Oplinger on wed 5 jun 02
On Tue, 4 Jun 2002 11:57:38 -0700, Julie Milazzo
wrote:
>Hey all! I've been reading with interest the posts on
>seeing witness cones, and was wondering if the red
>iron oxide painted onto kiln shelf supports would
>cause any structural problems in the long run. My kiln
>has two small narrow peeps, and after nineteen hundred
>degrees Fahrenheit, everything disappears. I have
>tried everything, even opening the damper completely
>and turning the flame down to the lowest possible
>level. Due to the location of the peep holes, my cone
>packs go directly where the front center shelf support
>should be, so I put the cones in, with the support
>behind them. If I could paint the supports, then there
>wouldn't be any more wasted space, and no additional
>bricks or anything. I didn't think the oxide would
>adversely affect the supports, but I wouldn't have
>thought many things that have happened, so.... anyway,
>if anyone knows for sure, please let me know. Thanks, Jules
Hello Julie,
The iron oxide will act as a flux in reducing conditions. Instead of
painting iron oxide on the kiln post, substitute a section of hard
firebrick for the post. Paint iron oxide on one face of the firebrick.
A section of firebrick measures 4 1/2 inches across the width, which is
about the minimum spacing you need above the shelf on which the cones sit.
A short section of kiln post can safely be set on top of the firebrick if
more height is needed.
Logan Oplinger
Earl Brunner on wed 5 jun 02
I have often used either cobalt or Red Fe to put my initials on my shelf
supports,
in the past they have been borrowed, etc. I have never noticed any
problems. I
suspect you could put a reasonable thickness on without problems (depending
on the
supports). I have had some that were rather marginal at cone 10.
Ned Ludd wrote:
> Jules spake:
>
> Now, I often encourage the art of living dangerously, especially in
> other people - it makes my life more interesting .... but would
> I paint a FLUX on a kiln prop? No way! I'm not off my freakin'
> gondola ....yet!
>
--
Earl Brunner
http://coyote.accessnv.com/bruec
mailto:bruec@anv.net
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