Fire box help

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

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Fire box help

Postby Brian » Wed Sep 19, 2018 12:36 pm

I have been slowly working on a smoker out of a propane tank. I got a 120 gal tank and first thought i w as going to add gas to do the cooking but it was giving me trouble with not enough gas flow so now I Decided to go with a fire box. The problem j am running it is need what size of box I will need and what size metal would be needed to work. I don't want to thin so it won't warp. I tried using the calculator that tells you the square footage but I can't figure it out not smart enough to convert it over. What I got is 120 gal tank round 6 foot long. So with that beening said can someone please help me out. Will post pic of progress soon. Thanks
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Chuck Wagon
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Re: Fire box help

Postby woodenvisions » Wed Sep 19, 2018 7:46 pm

Hi Brian,

I wish I could help you with this but I have no clue whatsoever on being able to help you.
I'm sure someone will pop in here soon and guide you. Lots of people on here with the knowledge that you are looking for so hang out a bit ok ?

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Re: Fire box help

Postby Chasdev » Thu Sep 20, 2018 8:11 am

Take a look at what others have done, there's hundreds of examples to look at, and just make sure yours is not too small.
If you end up with one that's larger than ideal size, remember it's the size of the fire not the size of the box.
Here's some pictures of Franklins cookers for your viewing pleasure and you can go to most any builders website to get ideas.
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Re: Fire box help

Postby k.a.m. » Sun Sep 23, 2018 8:45 am

Here is a link to the calculator filled out as I would build.
Link to BBQ Pit Calculator
I would increase the exhaust length to 24"
I would use 1/4" steel there is no need in going thicker.
Always remember slow and steady wins the race.

My Hybrid cooker.
Competition trailer #2.

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