[TheForge] vent hood

Sat Jan 3 10:52:01 2004

I'm talking about putting up a chimney which comes through the wall and 
attaches to a hood over my gas forge. People with coal forges don't seem 
to need draft inducers, I'm not sure why I would with a gas forge.

Steve

Wayne Ackman wrote:

> What do you mean coupling it to an external chimney?  Would you put a 
> hood over the forge and duct it into another chimney, like the 12" pipe 
> I am using for the coal forge?  Seems like if I did that I would need to 
>  use that draft inducer setup Ron Reil has on this setup.
> 
> Wayne
> 
> 
> Steve Smith wrote:
> 
>> I need to do this also. I'm planning on coupling the hood passively to 
>> an external chimney. Based on what others have done for their coal 
>> forges, I'm using 10" single wall pipe spaced 18" from any wood. I've 
>> got a piece of insulated pipe to go through the wall. No exhaust fan.
>>
>> Steve Smith
>>
>> Wayne Ackman wrote:
>>
>>> I need to build a vent hood over my gas forge.  I was wondering if it 
>>> would require a exhaust fan in the pipe to pull the CO out.  If so, 
>>> what kind of CFM does it need to draw?
>>>
>>> Does it make any difference if I take it thru the roof and thru the 
>>> wall?
>>>
>>> design suggestions are most welcome.  :-)
>>>
>>>
>>> Wayne
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