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Starting new Reverse Flow backyard pit - Need advice

post #1 of 9
Thread Starter 

I've searched but can't find exactly what I'm looking for.

 

I'm starting a reverse flow pit. I was given a 4' pipe which is 20" diameter and 3/8" thick steel. I'm wanting to use this pipe for both the pit and firebox. So what I'm trying to figure out what size to make the firebox. If I make a 36" pit that leaves 12" of a firebox which the Feldon calculator says is correct but that seems too small to use.

 

Basically I have 48" to divide between the pit and the firebox. What would you suggest?

post #2 of 9

Go with Feldon's calculator.

Happy smoken.

David

post #3 of 9
Thread Starter 

Well Feldon's calculator states a 12" firebox for a 36" pit. I'm just thinking thats too small to use. Does anyone have one that small?

post #4 of 9
DaveOmak will chime in and can give you help.
post #5 of 9
I believe for the FB size.. it should be 150% of what the calculator calls for.... as Brian said.. others with more knowledge will chime in....
post #6 of 9

http://www.feldoncentral.com/bbqcalculator.htmlphoto 2.JPG

This is a small reverse from 

post #7 of 9
Thread Starter 
Ford pilot thanks for sharing! What size is your firebox and do you think you could of gone smaller?
post #8 of 9

Hi,

Yes I could, but I think it helps keeping the temp up! Plus I can move the fire in the box to help regulate the temp!

post #9 of 9

http://www.feldoncentral.com/bbqcalculator.html Thats the link I used to get my sizes but my fire box is bigger then recommended, box 12"x12"X16" with a basket inside 1" off the bottom 1" clearance each side

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