Wow. I don't know. Mine only goes through about a 1-1/4 lbs. per hour once it has reached temperature.Is your smoker fully insulated?
Stumps Clone Build
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wingnut1977
Newbie
yes it is. My 4x6 tube is 4 inches off the bottom of 10x10 fire box. Think that has anything to do with it?
wingnut1977
Newbie
Im using a bbq guru. Thats why I wonder if I should move my transfer tube down. There is 5 1/2 " between grate and bottom of tube
Your guru only blows on the coals right...... You need to add air, to move the heat you have created, to the smoking chamber...
That is the reason we have 2 air inlets in a RF smoker..... the lower inlet makes the heat in the fuel supply and the upper air inlet moves the heat to the smoking chamber......
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bigpapaernest
Newbie
Could you all show the inside of the fire box area where the grate goes. I would like to add a gravity fed shoot on my masterbuilt smoker and turn it into a coal burner rather than propane. But i am confused as to how the inside of the firebox and wood chips boxes look like on the inside to make the design for my fabricator to create it for me.
Thank you much.
Ernest
Thank you much.
Ernest
Ernest,
Unfortunately, I am 600 miles away from my smoker and will not be back for 2 weeks. So I can't take any fresh pics. I looked through the photos that I have stored on my hard drive and can't find any photos of the fire box like you are looking for. But these pics might help a little.
This is the gasketed fire door.
This is the gasket that I bought from McMaster Carr. I tried stove pipe adhesive but that didn't work very long, so this "tadpole" gasket is retained with aluminum strap and screws. Cooking door gasket now has the same setup.
This is the ash pan that goes behind the fire door and under the grate at the bottom of the gravity fed charcoal chute. The pan was fabbed from stainless steel. The cutout in the front allows access to the ball valve/air supply and for me to add smoke wood. I do not use wood chips in this smoker. I use 6" "splits" from Fruitawood. They lkast much longer.
Link: http://www.fruitawoodchunks.com/wochvsmisp.html
If nobody can provide photos of their friebox before I get back to my rig, I will try to remember to post some up.
Unfortunately, I am 600 miles away from my smoker and will not be back for 2 weeks. So I can't take any fresh pics. I looked through the photos that I have stored on my hard drive and can't find any photos of the fire box like you are looking for. But these pics might help a little.
This is the gasketed fire door.
This is the gasket that I bought from McMaster Carr. I tried stove pipe adhesive but that didn't work very long, so this "tadpole" gasket is retained with aluminum strap and screws. Cooking door gasket now has the same setup.
This is the ash pan that goes behind the fire door and under the grate at the bottom of the gravity fed charcoal chute. The pan was fabbed from stainless steel. The cutout in the front allows access to the ball valve/air supply and for me to add smoke wood. I do not use wood chips in this smoker. I use 6" "splits" from Fruitawood. They lkast much longer.
Link: http://www.fruitawoodchunks.com/wochvsmisp.html
If nobody can provide photos of their friebox before I get back to my rig, I will try to remember to post some up.
bigpapaernest
Newbie
Thanks LSled. I gues what was confusing me was the 10x10" box at the end of your shoot and thought THAT was where the wood went and didnt understand the ash catcher part of it. Now it makes more sense that the 10x10 box is where the lit coals gather with a grate under them and the lit coal ash drops to the ash box below which is where the door/vent is. Now my question is, does the door/ash box area line up with the shoot that goes into the smoker? cause the shoot looks higher than the ash box.
The heat chute IS higher than the ash box. Except for the coals that fall through, the fire is above the grate in the fire box. The heat chute goes from the fire box to the cooking chamber. Here are a couple of more pics from the early part of the build showing the "square" shaped fire box and the location of the heat chute.
The grate goes under the fire box and above the ash pan. Hopefully this helps.
The grate goes under the fire box and above the ash pan. Hopefully this helps.
bigpapaernest
Newbie
So would this basically explain the whole thing?
Hope you didn't mind that i used your pics to try and help me understand this a bit better.
Hope you didn't mind that i used your pics to try and help me understand this a bit better.
Yes, your diagram of the air flow is exactly correct. In your first photo (on the left), my exit flue/chimney is at the left rear of the cooking chamber. You can see that in the photos on post #7 of this thread.
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jamonit72
Newbie
Well its been a while so hope you still might get this. I am building a gravity feed smoker and was curious what thickness of material did you use to build the fire box? 1/4" or 1/2" thick?
Any help would be greatly appreciated!!
Thanks,
Bo
Any help would be greatly appreciated!!
Thanks,
Bo
jamonit72
Newbie
Also I am assuming there is some type of grate/expanded metal on the inlet of the transfer tube to stop any coals from entering the tube.
Am I correct on that assumption?
Am I correct on that assumption?
Hello. I used 1/2" plate for the firebox. That may be overkill, but the firebox should outlast me before a burn through is an issue.
There is no grate or cover on the inlet of the heat transfer tube of this smoker. Gravity pretty much assures that the coals fall into the ash box. I've not had any issues with the transfer tube becoming clogged with coals or ash... at least not yet.
jamonit72
Newbie
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