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New project reverse flow with extra box over fire box

post #1 of 45
Thread Starter 

Free tankdoor cut ininsideliddoor installedburnburn

post #2 of 45

Looks good so far!

post #3 of 45
Thread Starter 

Hi, so I was thinking about running a 6" pipe across the bottom and then laying in the baffle without any welds so I could lift it out and pressure wash the inside once in a while, does this make sense and is a 6" flue from the fire box big enough? Check out the picturesendSmoker 035.JPGSmoker 036.JPG

post #4 of 45

Looks like a smokers building season .

it looks good so far i love your idea.

post #5 of 45

Looking good. icon14.gif

post #6 of 45
Thread Starter 

Smoker 008.JPGSmoker 010.JPGSmoker 010.JPG

post #7 of 45

I am confused about this being a reverse flow with the chimney on the left. What is the purpose of that chimney? Just curious.


I am also confused about the 6" pipe. Is that your firebox opening into the smoke chamber?

post #8 of 45
Thread Starter 

OK, here is my thinking, with the flue from the fire box going across the cooking chamber it will work like a reverse flow and keep temps more even side to side


then I can lay in a baffle to catch the drippings without welding it in or maybe I will just add rack of some sort to hold pans of water?


I also added the taller chimney on the left for better control, don't know if it will help but I can close it up if not.


I not a good planner I like to get an idea visualize it in my head and just tweak it as I go along.


The main cooking tank will have 2 slide out racks 1- 32" x 36" deep and 1- 32" x 24" deep


the warming box will have 5 slide out racks 23" x 23"


The whole rig will go on a trailer with more accessories when I find the right one (used)


Wish me luck, don't know what is next and my wife is looking at me kinda funny these days!


post #9 of 45

That is very interesting. I have some doubts about the single pipe being big enough and possible hot and cold spots especially once the baffle is in place. The pipe should generate some radiant heat but I am guessing the majority of the heat will be where the heat and smoke exit the pipe. It is an interesting idea and I look forward to the finished smoker. beercheer.gif


The removable baffle is more than doable but since you are putting this on a trailer think about how your are going to secure it for towing. My first thought was some clevis pins welded upside down kinda like the pins the muscle car guys use for the hoods of their cars although something as simple as welding some nuts to the smoker walls and drip rail and then bolting it down would work as well.

post #10 of 45

lookn goodthumb1.gif

post #11 of 45
Thread Starter 

I was going to put in 2- 6" pipes but I ran out of pipe.


if it is a problem it won't be that hard to add another or get rid of one!


Do you think I need to put a damper on the holes into the warming/cooking box were my second chimney is?


My thinking was the air intake on the fire box would be enough control?


and should I put a closing top on that chimney or just a little rain roof?


Thanks for your input, don't worry you can't hurt my 1 feeling hit.gif

post #12 of 45

If you are wanting to adjust the temperature of the warming box say for holding temp vs cooking temp then I would go with a damper between the smoke chamber and the warming box. If it will be used for cooking only then there is no need.


As for the damper on the chimney, this is where the far left chimney had me confused last night. If you are looking to hold food at say 160 - 165* in the warming box you will need to open the exhaust of the chimney on the far left a bit to keep the air flowing but what will that do to your temps on the far right side of the smoke chamber?





post #13 of 45
Thread Starter 

Ok so I'm now thinking a 3rd chimney :) and more dampers


post #14 of 45
Thread Starter 

Then I could have more control ( sounds like the little woman ) Ha Ha and the warming box could also be a cookin box

post #15 of 45

That should work. Can't wait to see how this ends up. :)

post #16 of 45
Thread Starter 

So I have a couple more picturesfire boxGreg 020.JPGGreg 022.JPGGreg 028.JPGGreg 029.JPGGreg 032.JPG

post #17 of 45

Still lookn good getting closer to doing some cooking!biggrin.gif

post #18 of 45
Thread Starter 

Couple more picturesicon_smile.gifMore smoker 009.JPGMore smoker 013.JPGMore smoker 004.JPG

post #19 of 45

That is real nice but I am all confused, but it does not matter its your smoker and you are doing a great job building it..I also just love welders work tables they build them to take a F5 Tornato...

post #20 of 45
Looks really good man!
Are you planning on putting some mineral wool insulation in the slot between the firebox and the warming box?
(I think your warming box temps might be wayyy too high without it)

Looking foreward to seeing how this turns out...drool.gif
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