Offset smoker and firebox size.

ntjones · Post by **ntjones** » April 30th, 2019, 4:41 pm

Hi. I’ve been on here a while but I don’t right much. I’m really getting into it more now. I’m building an offset with a 60 gallon propane tank and it’s 20” diameter and I have a firebox that is 17” long and 20” diameter as well. Does this seem like a good combo? I couldn’t make sense of the calculator. Thanks for any help you may have.

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Post by **Big T** » April 30th, 2019, 5:08 pm

According to the calculator, your FB is the maximum recommended size so it will work fine. Don't be afraid to ask any questions that you may have and someone will be glad to help you out.

ntjones · Post by **ntjones** » April 30th, 2019, 5:24 pm

Oh good. Thank you. I will be working on it soon and I’ll pry have more questions.

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Dirtytires · Post by **Dirtytires** » May 3rd, 2019, 2:06 pm

A round firebox is not as easy to build as a square one...just a thought.

Good luck and ask away!

ntjones · Post by **ntjones** » May 3rd, 2019, 2:43 pm

Yeah I wanted to do a square one but a friend gave me some pipe and a enough plate to cap off each end. I actually got a lot done on it today.

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ntjones · Post by **ntjones** » May 3rd, 2019, 2:44 pm

ntjones wrote:Yeah I wanted to do a square one but a friend gave me some pipe and a enough plate to cap off each end. I actually got a lot done on it today.

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ntjones · Post by **ntjones** » May 3rd, 2019, 2:46 pm

I’m just worried now that I put the firebox to low. I guess it’ll be ok.

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john_az · Post by **john_az** » May 3rd, 2019, 5:44 pm

I dont think you can put them too low...performance wise...I could be wrong.... but it would only be a question of aesthetics... the bottom of your CC appears to be off the ground by 16"... your FB only by maybe 2-3" (a brick and some plywood) any idea how much taller your going to make the final height? Im guess ing you dont want to BF that close to the ground, burn whatever is on the ground, plus just bending down so much to tend the fire....

ntjones · Post by **ntjones** » May 4th, 2019, 7:30 am

john_az wrote:I dont think you can put them too low...performance wise...I could be wrong.... but it would only be a question of aesthetics... the bottom of your CC appears to be off the ground by 16"... your FB only by maybe 2-3" (a brick and some plywood) any idea how much taller your going to make the final height? Im guess ing you dont want to BF that close to the ground, burn whatever is on the ground, plus just bending down so much to tend the fire....

Yes it will al be lifted up higher. It’s all really low to the ground right now. Not sure how higher to make it but I may have to lift it and try some different heights to see what is comfortable.

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ntjones · Post by **ntjones** » May 4th, 2019, 7:56 am

Can anybody suggest a smoke stack size? I have some 4 inch square tubing that I was thinking of using but someone told me that wasn’t big enough.

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Post by **Big T** » May 4th, 2019, 9:48 am

Square tubing will work fine as long as it's sized correctly. The calculator said 4x4x16.75, it can be a little longer than that without any issues. I like for the stack to be tall enough to keep the smoke out of my eyes so you might want to figure out what the overall height of your cooker will be before you commit to a stack size. If the 16.5'' stack is to short, you could use a 3'' pipe and it would increase the required length to 38''.

Dirtytires · Post by **Dirtytires** » May 4th, 2019, 11:51 am

The firebox is definitely mounted lower than I’ve seen but as long as the throat is of the proper size, I don’t see any issues.

To help determine height, I used y kitchen counter as reference. If you are comfortable prepping food in your kitchen, then use that height for your bottom rack. I don’t want to have to lean over but having a smoker too high is even worse as you are always reaching.

ntjones · Post by **ntjones** » May 4th, 2019, 1:46 pm

Thanks a bunch. You all have given me a lot of good info. No I just need to find a mother day off work so I can work on the smoker again. Lol

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Offset smoker and firebox size.

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