Monday, June 22, 2009

Catenary Arch Built into a Hill?


A mock-up of my latest idea for a wood-fired kiln (above) is an extended catenary arch chamber built into a hill in which I dig steps so that the...


...front of the chamber (above) where the firebox would be is about 4 feet wide and four feet tall, and the...


...rear of the chamber (above) where the chimney would be is a shorter and narrower because of the step up. This mock design would be about three feet wide and three feet high at the back of the kiln.


I built this mock-up with three forms, each one shorter than the first by the thickness of a refractory block that I will use to construct the kiln. I suppose I could design the arch to be a little higher and wider. My shelves are 24 x 24.


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