HELP, ADVICE, OPIONIONS. Stack diameter.

Custom manufactured BBQ Pits, Do-it-Yourself projects, parts and ideas.

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HELP, ADVICE, OPIONIONS. Stack diameter.

Postby Mattm » Wed Aug 29, 2018 11:12 am

I am building a trailer pit, and iam using a 250 gallon propane tank. I have been trying to go by the Feldons pit calculator but it says I need a 12inch diameter stack, seems a little excessive to me. How accurate is the site? I'm going to do a 30x24 fire box and thought about doing one 8inch stack instead. Wondering what yall recommend and what others have gone with that works.
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Re: HELP, ADVICE, OPIONIONS. Stack diameter.

Postby k.a.m. » Tue Sep 04, 2018 12:52 pm

The calculator is very accurate if you follow it correctly.
I plugged in your number but wasn't sure on the firebox being round or square so i went round and came up with a 6" exhaust 30" tall. If in fact your firebox is 30" diameter and 24" long you really need a larger one as you are only at 88%.
I hope this helps. :D
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