[TheForge] flues

[dan tull]

A damper is nice in winter to keep shop heat from going up chimney.( when 
you're not forging).


----- Original Message ----- 
From: "Ben Barrett" <stircrazyben at gmail.com>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Thursday, January 17, 2008 2:43 PM
Subject: Re: [TheForge] flues


> This is a great conversation, guys, thank you all -- I have an
> additional question as I am also developing my plan to install a flue
> pipe.  In my shop, I'd like to pipe a small woodstove and my coal
> forge's flue together, so there is only one hole in the roof.  I was
> figuring that the most sure-fire (heh) way to maintain a good draft on
> either or both would be to make a good-sealing damper on each pipe
> below the "Y" piece that will bring them together.
>
> I am planning on having the Y joiner just above the forge hood (which
> will have a drop pipe too, I hope, if I can fit it, so prolly above
> where the drop pipe raises up to), but still inside the shop.  This
> joiner is the only horizontal dog-leg I can foresee in my plan.  Is
> there any good or bad luck folks have had with sharing a flue like
> this in their homes or workshops??
>
> thanks!
>
> ben
>
>
> On Jan 17, 2008 11:31 AM, David E. Smucker <davesmucker at hotmail.com> 
> wrote:
>> I 2nd Ron comment about using a section of culvert.  A 20 ft length is 
>> not
>> too expensive and most are about 16 gauge with stiffening added by the
>> corrugation.  My stack is a 20 ft length of 15 inch culvert with a shot 
>> gun
>> top.  I have a large hood, not a side draft and it pulls very well.  One
>> area that a lot of smiths loose draft is by what they place at the top of
>> the stack.  Depending on design the rain hood, can cut the stack draft in
>> half.
>>
>> Dave Smucker
>>
>>
>>
>> ----- Original Message -----
>> From: "Ron Childers" <munlaw2 at hcsmail.com>
>> To: <GHS at execpc.com>; "'Sponsored by ABANA'" <theforge at mailman.qth.net>
>> Sent: Thursday, January 17, 2008 12:24 PM
>> Subject: RE: [TheForge] flues
>>
>>
>> >A steel culvert seems to work well.... Ron C
>> >
>> > -----Original Message-----
>> > From: theforge-bounces at mailman.qth.net
>> > [mailto:theforge-bounces at mailman.qth.net] On Behalf Of GRAF
>> > Sent: Thursday, January 17, 2008 11:53 AM
>> > To: Sponsored by ABANA
>> > Subject: Re: [TheForge] flues
>> >
>> > For 12 inch the MINIMUM I'd use is 24 gauge. Heavier if you can manage
>> > it. Above 8 inch the size of the pipe makes it unstable dimensionally 
>> > in
>> > the lighter gauges. When you are up in the wind having things collapse
>> > above a brace because it didn't stay round would not be a good thing.
>> > Mike Graf
>> >
>> >
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