9/20/98
Last spring a group of ten USC students
joined me in building a hardbrick fastfire
wood burning kiln, based on Fred Olsen's design.
The kiln's stacking capacity is about 35 cubic feet.
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In 1993, I built a smaller soft brick
version of the kiln as my MFA thesis research.
As expected, the kiln is economical and
efficient to fire.
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In researching the project, Paul
Soldner and Phil Cornelius wrote to me
agreeing with Fred Olsen's assertion that
an efficiently designed small scaled fast
firing kiln fires from "dead cold to cone
11 in less than 4 hours."
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But why do it? As Soldner said,
fast firing wood kilns are "so fast,
so clean and so lean, they don't leave any
aesthetic qualities...because of short
firing cycle and very little ash build up."
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My thinking was that if I could fire
it fast then by adjusting the fuel and
air,I could fire it slowly. By raking the
coals frequently, a good amount of ash is
deposited on the wares and heavily fluxed
woodash glazes are achieved.
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The results of the kiln encouraged
me to build the larger hardbrick version.
After two exciting firings of the new kiln,
I am figuring it out and beginning to
explore its potential.
Vicky Hansen |