t.d.decker at att.net
Wed Aug 4 06:05:37 PDT 2010
Think of a tall, tapered cylinder, sort of like the classic shape of an 80's
nuclear plant. There's an opening at the base, to which is attached a pipe
that angles up at a 45-degree angle or so for a couple of feet. A fire is
built in the base, and the base, up to the midway point, is buried. Air is
blown into the pipe and creates a fierce heat, like a blast furnace, running
maybe, what, Bear, 900-1400°F?
Modern gas-fired tandoors run about 900 degrees F. I would expect a
charcoal-fired tandoor to run 500-1,000 degrees F depending on how the
exterior bellows is used. Thinking on it, the design is basically a
Bessemer furnace without the converter.
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