[TheForge] propane forge burner book

Sun Feb 29 12:35:01 2004

Mike,
 Don Fogg popularized the concept of using the blown burner on a vertical
pipe forge.
You don't need  high gas pressure in a blown burner, because the fan
supplies  the necessary pressure, and the bell reducer tip increases the
velocity of the fuel air mix, to keep the flame front burning in the forge
instead of inside the burner itself.
 You just have to make sure that your gas supply pipe is large enough to
supply the fuel necessary for the proper burn ratio and  you make the fuel
air mix turn a few corners to create the proper turbulence to get a
combustible mix.
Remember Natural gas supplies about half the BTU's of Propane so you need
twice the fuel volume for the equivalent heat out put.
Chuck
----- Original Message -----
From: "GHS" <[email protected]>
To: <[email protected]>
Sent: Sunday, February 29, 2004 10:31 AM
Subject: Re: [TheForge] propane forge burner book


> Aside from the compressor and storage, I would like to here more about
> NG straight from the line.
>
> I use a blown NG for when I do not have the time to fire up my coal
> forge. I have heard the term Dan Fogg Design applied to what I have.
>
> I have only welded in it once, but have reduced many 1/2 pieces of metal
> to sparklers when not paying attention. So it does get hot enough. Line
> pressure off of the pressure regulator is 6" water column plus or minus
> .25 inches. depending on what else I have fired up. ( There are two
> furnaces, a boiler, two water heaters, three dryers, two soldering
> furnaces and two stoves on this same meter. When a bunch of them come on
> all at once there is a pressure drop.)
>
> Mike Graf
>
> [email protected] wrote:
>
> > In a message dated 2/29/2004 4:58:39 AM Pacific Standard Time,
> > [email protected] writes:
> > To those who know...
> > Does the book address making burners/forges using low
> > pressure natural gas?
> > -Rick Korinek
> > The book does not touch on low pressure natural gas. At the time of its
> > writing I didn't know that you could buy approved NG compressor and
storage
> > devices.
> > Mikey
> >
> >
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