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Q-talk *ON TOPIC ONLY* QUALITY ON TOPIC discussion of Backyard BBQ, grilling, Equipment and just outdoor cookin' in general, hints, tips, tricks & techniques, success, failures... but stay on topic. And watch for that hijacking.


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Unread 11-09-2012, 07:34 PM   #1
Hawg Father of Seoul
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Default Need help with building an offset.

We have a 30 x 48 pipe (rounded ends). Was figuring a 20 x 20 (id) firebox would work. Was trying to figure out how big to make the opening from the firebox to the chamber.

Thanks.
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Unread 11-09-2012, 07:39 PM   #2
Garrett
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I do know that you need the same square inches going in as you have coming out. There's a ratio chart on the web somewhere for it. I will try to find it or maybe someone will chime in who knows all that info.
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Unread 11-09-2012, 07:40 PM   #3
Swamp Donkeyz BBQ
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Yes, as stated above there's a chart and maybe a calculator also.


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Unread 11-09-2012, 07:45 PM   #4
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http://webpages.charter.net/tomchism...Calculator.htm

Maybe this will help or maybe there is a better one chart. Just google ratio chart for building a smoker. I know this is in a spreadsheet form and you can enter your dimensions and it will calculate for you.
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Unread 11-10-2012, 12:03 AM   #5
Novass
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Not to run the build off, but you can try smokerbuilder.com . a lot of good people over there that can answer your ?.
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Unread 11-10-2012, 08:08 AM   #6
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We use this one.

http://www.thesmokering.com/forum/viewtopic.php?t=20871
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