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flue dimensions needed

updated tue 30 dec 97

 

Dan Saultman on mon 29 dec 97

Hello All,
I am building an 11 cubic ft. updraft kiln. I have received great advice
along the way from people in this group. I have one question that seems
to have generated various answers. Now that I'm at this point in
building I would like to specifically ask...what size flue opening
should I use? I certainly don't want to find that I have made the flue
too small and the kiln won't breathe correctly. I plan on using a kiln
shelf as a damper. Could someone please give me their ideas? Thanks.
Dan Saultman/Colorado
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