#1  
Old 07-28-2009, 08:38 AM
Serf
 
Join Date: Jul 2009
Location: Tucson, AZ
Posts: 3
Default Chimney Location

Is there a special reason the chimney is in the front of the oven versus the back? I am building the oven as part of a BBQ and the BBQ chimney is in the back. I thought maybe a small landing at the back of the WFO would match the BBQ chimney location better.

Thx

Eric
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  #2  
Old 07-28-2009, 03:36 PM
Neil2's Avatar
Il Pizzaiolo
 
Join Date: Oct 2006
Location: Vancouver Island
Posts: 1,374
Default Re: Chimney Location

It is better to think of it as a "vent" rather that a chimney.

The primary purpose is to deflect hot gasses up out of the face during use. The inlet is at the level of the top of the door and allows hot gasses to give up their heat in the top inside of the oven before exiting the vent.

For the main firing, expect a lot of the smoke and gas to come right out the oven door. Only after the fire dies down will the vent typically handle the volume of hot gasses.

Having said that, I have seen designs with a vent/chimney at the back. If you want to do this, I would size it larger than normal or you may get some hot gasses in your face while working.

Last edited by Neil2; 07-29-2009 at 12:59 PM.
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  #3  
Old 07-28-2009, 05:10 PM
Serf
 
Join Date: Jul 2009
Location: Tucson, AZ
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Default Re: Chimney Location

So fresh air enters through the door at the bottom and smoke/hot air leaves through the top of the same door and the circulation is what does the uniform heating? Quite different than a traditional oven/fireplace. Thank you for the help.
Eric
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