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James Kamerick

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since Sep 11, 2016
Arkansas
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Recent posts by James Kamerick

Glenn Herbert wrote:2" is a good minimum top gap between riser and barrel; for a 6.5" system, 1 1/2" may be enough, but 2" is safe.

Side gap would preferably be at least 1 1/2". If the riser is not centered in the barrel, the side with more space is likely to get hotter due to more airflow.

Did you build the riser with firebrick laid flat or on edge? Full or split (half thickness) brick? The less mass in the riser, the quicker it will come up to full operating temperature. Around a firebrick core, I think 1 1/2" of perlite-clay should be okay. More is better if you have the space for it.



It was built on edge with split fire brick
Any tips on the chimney then if I can't use cement? I'm still planning to use 12"x12" cement step stones around the insulation of the core to protect it. I'm hoping the perlite will protect it from the heat.
1 year ago

Daniel Ray wrote:You never want the cross section of the exhaust to go below the riser dimensions. If you are building a 6.5" diameter heat riser, you want to maintain 6.5" inches throughout. Use material that is rated for high temperatures, cement will fail at relatively low temps.  http://donkey32.proboards.com/



So how much room do I need to leave between the drum and top & sides of the riser/insulation?
I was planning 1.5 inches of slip and perlite for insulation around the riser.
1 year ago
After making my core out of fire brick with a 6.5 inch hole can I use cement blocks as the exhaust? Or would they have too small a hole?
1 year ago
I found this tree in a front yard in Northeast Arkansas. Anyone recognize it?
3 years ago