C Redding on tue 27 jan 98
Just a quick question for you guys out there in clayland....while reading
the DIY kiln building threads a question popped into my head...what's the
difference between a flat topped kiln or an arched kiln. Here at
university, we have the arched version. Does it all heat the same? Why
choose one over another? Just curious. :)
cookie redding
Talbott on wed 28 jan 98
Arch roofed kilns are far stronger, more asthetically pleasing, and require
more skill, time, and money to construct than a flat roof and they (arched
roofs) do fire beautifully. ..Marshall
>----------------------------Original message----------------------------
>
>Just a quick question for you guys out there in clayland....while reading
>the DIY kiln building threads a question popped into my head...what's the
>difference between a flat topped kiln or an arched kiln. Here at
>university, we have the arched version. Does it all heat the same? Why
>choose one over another? Just curious. :)
>
>cookie redding
101 CLAYART MUGS (Summer 1998)
2ND ANNUAL CLAYARTERS' GALLERY - NAPLES, MAINE (Summer 1998)
E-MAIL ME FOR APPLICATIONS
http://fmc.utm.edu/~dmcbeth/cag/naples.htm
Celia & Marshall Talbott, Pottery By Celia, Route 114, P O Box 4116,
Naples, Maine 04055-4116,(207)693-6100 voice and fax,(call first)
Clayarters' Live Chat Room, Fri & Sat Nites at 10 PM EDT & Sun at 1 PM EDT
http://webchat12.wbs.net/webchat3.so?Room=PRIVATE_Clayarters
---------------------------------------------------------------------
Jonathan Kaplan on thu 29 jan 98
>----------------------------Original message----------------------------
>Arch roofed kilns are far stronger, more asthetically pleasing, and require
>more skill, time, and money to construct than a flat roof and they (arched
>roofs) do fire beautifully. ..Marshall
Uh Marshall.....
More skill? Any one with a pocket refractory catalog/handbook from any of
the refractory manufacturers can calculate an arch. A skill saw, hammer,
sheet rock screws, masonite, some 1 x 2's, a pencil and a good mind also
necssary.
More time? The time necessary to build a simple arch form, design a skew
detail, place the already pre-cut steel in place and build up the arch is
about the same.
More money? maybe this is your only correct point. Extra steel, yes (2
pieces of angle, channel, or tube to fit behind the skews and thats all).
Buy your archbrick. Compare them to the price of straights.
Fire beautifully? I fired a 100 cubic foot IFB sprung arch kiln for 13
years and it fired beautifully. I now fire a 50 cubic foot fiber kiln with
a flat roof and it too fires beautifully.
More aesthically pleasing? I'll not get into this one because basically its
not worth
my time to argue over this.
Jonathan
Jonathan Kaplan, president jonathan@csn.net
http://www.sni.net/ceramicdesign/
Ceramic Design Group Ltd./Production Services
PO Box 775112
Steamboat Springs CO 80477
(USPS deliveries only)
Plant Location
30800 Moffat Ave Unit 13
Steamboat Springs CO 80487
( UPS, courier, and common carrier deliveries)
(970) 879-9139*voice and fax
http://www.sni.net/ceramicdesign/
http://digitalfire.com/education/clay/kaplan1.htm
Fred Paget on thu 29 jan 98
The Minnesota Flat Top as built by Nils Lou is not exactly flat on top. It
is a shallow dome and as you know a dome is an arch rotated in the third
dimension and is a stable structure. Nils showed us how to make the top at
a workshop last fall. He dips the top half of the bricks for the top in a
slip of fire clay . That makes them a little bigger at the top end. Then
after the lay-up is done and the restraining rods and clamps are on he
jacked up the center of the top from underneath the plywood that was
supporting it. It was jacked up with a hydraulic jack for a couple of
inches and then the clamps were tightened to hold it. (The clamps are
needed to take up the horizontal component of force from the shallow dome
to prevent it from spreading).
Next more slip is poured on top and rubbed into the crevices. The result
when it is done right is a shallow dome that is quite stable.
Fred.
From Fred Paget, Marin County, California
Talbott on fri 30 jan 98
Mel said: "....and marshall, my hero of tomato growing...says they fire better.
> and on and on...."
Mel... No I did NOT say they arched roofs fired better than flat roofs... I
said they are stronger, etc.. (see original below). We used Nils Lou's
book the Art of Firing for the kiln plans except we built an arched roof
instead of a flat. For the extra time and materials and money an arched
roof is for me the only way to go. Mel, how did you know I was the HEAD
TOMATO HEAD of Naples, Maine? ....Marshall
>----------------------------Original message----------------------------
Arch roofed kilns are far stronger, more asthetically pleasing, and require
more skill, time, and money to construct than a flat roof and they (arched
roofs) do fire beautifully. ..Marshall
101 CLAYART MUGS (Summer 1998)
2ND ANNUAL CLAYARTERS' GALLERY - NAPLES, MAINE (Summer 1998)
E-MAIL ME FOR APPLICATIONS
http://fmc.utm.edu/~dmcbeth/cag/naples.htm
Celia & Marshall Talbott, Pottery By Celia, Route 114, P O Box 4116,
Naples, Maine 04055-4116,(207)693-6100 voice and fax,(call first)
Clayarters' Live Chat Room, Fri & Sat Nites at 10 PM EDT & Sun at 1 PM EDT
http://webchat12.wbs.net/webchat3.so?Room=PRIVATE_Clayarters
---------------------------------------------------------------------
| |
|
