[TheForge] propane forge forced air

[Dan Scheid]

more air needs more gas so lower presser larger jet. BTW this will mess up
the veturi of the burner
Dan Scheid

> I have a nc tool 2 burner knifemakers forge. recently I decided to build a
> manifold and add a forced air blower.
> The manifold blows air through the venturi openings. I put a air gate on
the
> "in " side of the blower to control the air flow .
> I am not seeing a great difference in the efficiency of the forge and the
> scale seems worse than without the forced air.  do I need to adjust the
size
> of the jets? larger  or smaller?also the back of the forge is not getting
as
> hot as the front.     any suggestions?
>
> ----- Original Message -----
> From: Mike Linn <mikelinn@concentric.net>
> To: <theforge@mailman.qth.net>
> Sent: Wednesday, December 19, 2001 10:01 PM
> Subject: Re: [TheForge] Re: hot vs cold rolled
>
>
> > I got about 120 feet of A36 1/4" round  2 years ago , and I'll bet my
last
> > Dollar it was close to 1095.  It was so brittle it shattered like glass
> > after a water quench. We use a lot of that size for s-hooks, match
holders
> > and plant hooks at demos. You forge one end the cool it off to forge the
> > other. Damn stuff would break every time.....
> >
> > mike
> >
> > At 07:06 AM 12/20/01 -0800, you wrote:
> > >Yes,  cold rolled has more strict requirements than hot rolled.  Hot
> > >rolled is no longer 'mild steel'  it is A-36.  The tolerances are
large.
> > >You may find a bar of A-36 that will analyze out close to cold rolled
but
> > >the next will damn near qualify as tool steel.  At  one time I had the
> > >chemical analysis for both cold and hot rolled but have no idea where
it
> > >is now.  Maybe someone on the list will post it,  I would like to see
it
> > >again.
> > >
> >
> >          Michael Linn
> >        Artist Blacksmith
> >       McCalla, Alabama
> >        AFC Webmaster
> > http://afc.abana-chapter.com
> >
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