[TheForge] Traveling Gas

[Jerry Smith]

Steve,

I went over to teh high school and played with a
fisher burner. I had my digital thermometer with me.

The screen is out.

Jerry
--- Steve Smith <sos at alum.mit.edu> wrote:

> Jerry,
> 
> Try the existing burners first (Reil, Porter, etc.).
> The work *really* 
> well, and I don't think they will work as well if
> you put screen in 
> them. There is no problem in these burners with the
> flame climbing the 
> tube, the flame is controlled by the flare at the
> business end.
> 
> Steve
> 
> Jerry Smith wrote:
> 
> > What kind of screen was it and if it isn't
> hardware
> > store stuff, we can I buy some?
> > 
> > Jerry
> > 
> > --- Grover Richardson
> > <grover.richardson at gtri.gatech.edu> wrote:
> > 
> > 
> >>The screen performs two purposes.  One is to mix
> the
> >>gas, the other is a
> >>fire block.  A third thing that is generally
> >>unnoticed is that the screen
> >>also keeps infra red from getting back to the
> >>orifice.  I have a plumbing
> >>pipe version of a burner and I ran it a few times
> >>without a twist of shim
> >>stock inside it for a mixer.  There was enough
> infra
> >>red in the forge to
> >>ignite the flame at the orifice.  A fun time was
> had
> >>by all until the burner
> >>was turned off<G>.
> >>
> >>-----Original Message-----
> >>From: theforge-bounces at mailman.qth.net
> >>[mailto:theforge-bounces at mailman.qth.net] On
> Behalf
> >>Of Bruce Freeman
> >>Sent: Thursday, February 15, 2007 2:26 PM
> >>To: theforge at mailman.qth.net
> >>Subject: Re: [TheForge] Traveling Gas
> >>
> >>Lynn,
> >>I don't understand your question.  Who says it
> would
> >>not be a good idea?
> >>Bruce
> >>NJ
> >>
> >>
> >>>>>langfarm at together.net 2/15/2007 2:18 PM >>>
> >>
> >>Hello
> >>
> >>Why would it not be a good idea to add a screen,
> as
> >>metal window screen
> >>, between the mixing chamber and the burn area?
> This
> >>is used in the
> >>boating world to keep flames from going back down
> >>the fill pipe..
> >>
> >> 
> >>
> >>Lynn
> >>
> >> 
> >>
> >> 
> >>
> >> 
> >>
> >> 
> >>
> >>Happens all the time.  The mixture just has to
> move
> >>faster than the
> >>flame front so the fire doesn't travel  back up
> into
> >>the mixing chamber.
> >>
> >> 
> >>
> >>CraigS
> >>
> >>
> >>
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> > 
> > 
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