[TheForge] CHIMNEY?S?

Wed Jan 29 13:38:01 2003

There is one nice thing about fans,
which is why I went that way.
I am very urban here. Folks get excited
about smoke and sparks. The sparks are
actually a reasonable concern. 

I ran a stack inside the shop about six
feet with elbows at the top to make it
shoot straight down and to the side.
This is out of my eyes and nose being a
total of about eleven feet from the
ground and five feet above my head. The
ceiling is metal clad. 

Any stray sparks burn out and die about
eight feet up, so nothing of that sort
leaves the shop. The smoke mixes with
shop air before it is sucked out by a
big squirrel cage fan, which vents
straight up through the roof. No sparks
outside, and the smoke is nearly
invisible even if there is a green coal
fire going.

It is a bit noisy, if I am not wearing
my ear protection. It does do an
adequate job of venting the shop and I
am not drawing lots of attention to
myself.

All in all I'd rather be out in the
country and have a chimney.

Mike Graf

"R.C.Mundt" wrote:
> 
> I have a 12" stovepipe on a side draft hood  on my coal forge, works great ,
> my building is about the same size as yours.
> I'de shy away from fan's , I put up w/ a fan for 20 years it only took about
> 80% of the smoke , so always had the door open, and was like having an
> airplane running in the shop.
> Chimneys work like this more fire, more heat, more draft to take away more
> smoke, fans move the same amount of air no matter how big the fire is.
> Randy Mundt
> ----- Original Message -----
> From: <[email protected]>
> To: <[email protected]>
> Sent: Monday, January 27, 2003 11:35 AM
> Subject: [TheForge] CHIMNEY?S?
> 
> > I am putting together a 30 x 27 space for primarily blacksmithing but some
> > casting.  I currently have one small propane forge, one Johnson long stock
> > forge, one Johnson melting furnace and plans to build oir buy a coal
> forge.
> > Any suggestions as to how to exhaust these.  I currently have the
> materials
> > for a 8x8 dlay flue lined chimney but have not installed it, would this be
> > sufficient for the propane devices?  Would a large hood with a blower be
> the
> > best choice?
> >
> > Ben
> > Pleasant St. Machinery
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