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Old 09-11-2006, 12:48 PM   #1
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Convert Firebox or forced draft?

I have a "homemade" cooker made out of an old gas tank about 8' long. At the end is an offset firebox made from the end of a smaller diameter gas tank that is welded on the end. The problem I am having is that the firebox sits too high so that the heat rises to the top of the cooking chamber and does not get enough heat on the lower food racks.
I think I have two options:
1. Build another firebox to sit lower, so heat will distribute through the cooking chamber.
2. I have thought about somehow attaching some sort of fan at the end of the cooking chamber near the firehouse to draw the heat and blow it through. I've considered either a convection oven fan or a fireplace blower. I would think the motor would have to be outside because it would not be able to handle the heat. Does anyone have any other suggestions?
Thanks
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Old 09-11-2006, 01:12 PM   #2
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Russ, do you have any pics of it? Thay may help. I used a V plate in the bottom of mine to force the heat and smoke to the other side. Then it turn upward and out the same side as the fire box. A reverse flow.
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Old 09-13-2006, 08:44 AM   #3
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I would go with lowering the firebox and adding tuning plates or a baffle of as Bill suggested.
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Old 09-13-2006, 09:06 AM   #4
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I second the lowering the fire box. My money says you'll dick around with a fan for a week or so, then lower the box anyway...
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Old 09-13-2006, 09:26 AM   #5
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Have a look at this old pit that has been in the family for many years.

At first the fire box was on the same level as the cooking chamber. The only way into the firebox was from the top. At some point my dad and/or brother decided enough was enough and had the firebox lowered, a baffle installed and the door moved to the side. Much Mo Betta.

I think the firebox could have been lowered another 3 inches.

I also like the idea of a flat surface on the top of the fire box.



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Old 09-13-2006, 06:35 PM   #6
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Thanks for the advice on the cooker. I have not yet figured out the photos yet, but when I do, I will post a pic of the cooker. Maybe I will do a before and after when the new firebox is constructed.
Thanks
Russ
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Old 09-14-2006, 07:27 AM   #7
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Hey Russ, if you want send me the pics via email and I'll post them for ya.

billthegrillguy@msn.com
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