I would suggest looking at some of the popular/reputable smokers sold commercially and see the sizes they are and go from there. Those guys would not be in business if the pits weren't functional and efficient
If you’re looking for a backyard smoker on casters a 125gallon propane tank works great or go with 24” casing. Try to stay 1/4” or thicker on the tank you use and firebox I would try to stay in 5/16” on up to 3/8” or even 1/2”
If you’re looking for a backyard smoker on casters a 125gallon propane tank works great or go with 24” casing. Try to stay 1/4” or thicker on the tank you use and firebox I would try to stay in 5/16” on up to 3/8” or even 1/2”
If you use a propane tank cut your doors, everything but the corners. Let it cool overnight then finish. You run the risk of your doors "springing" if its all cut hot. Propane tanks are especially bad about it.
Mine will be a 30" when/if I ever get done with it. I wanna be able to put a big whole hog on it. And it will be a hybrid type with optional trad very reverse flow.
The fish are biting, and there's hogs to be kilt. Gotta go!
24" STD wall pipe (.375" thick) is the direction I would go. When you lay out your door, make the cut 1" below the centerline (see first picture). This will help maximize space if you are doing pull out grates. I also like 24" because you can more easily fit an upper pullout. There is just not enough room on 20" for useable double pullouts.
I would stay away from the propane tanks. They can be a pain to work with.
pics:
1. 20" pipe with doors layed out.
2. 24" pit with double slides
3. 24" pit installed
4. 20" pit showing small upper rack.
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