[TheForge] Welding advice

[Chris Kilpatrick]

Carbon Arc develops temps of over 5,000* F, it is the deepest penetrating weld I know of.  It is great for welding large thick piece that can't be preheated.

Chris K.

----- Original Message -----
From: "Kevin Gallagher" <anvil1999 at hotmail.com>
To: theforge at mailman.qth.net
Subject: RE: [TheForge] Welding advice
Date: Mon, 28 Feb 2005 15:27:12 -0600

> 
> What's the advantage of air-arc over cutting with a gas torch?
> 
> Kevin G.
> 
> > From: "Ron Childers" <munlaw2 at hcsmail.com>
> > Reply-To: munlaw2 at hcsmail.com,Sponsored by ABANA <theforge at mailman.qth.net>
> > To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
> > Subject: RE: [TheForge] Welding advice
> > Date: Mon, 28 Feb 2005 15:28:10 -0500
> >
> > Ralph, More years ago than I care to admit we had an underwater cutting rig
> > with hollow electrodes through which air was blown as the rod was consumed-
> > took some high amperage & pressure, but it worked really well. From looking
> > at the air-arc set up a foot activated gas valve would work for a once in a
> > blue moon project. It's "We're whacha call professionals; we do this for a
> > living; don't try this at home". Sound abt right? In underwater welding &
> > electric cutting, they always told us, "Never turn your back on your
> > ground".
> >
> > Ron C
> >
> > -----Original Message-----
> > From: theforge-bounces at mailman.qth.net
> > [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Ralph Sproul
> > Sent: Monday, February 28, 2005 1:04 PM
> > To: munlaw2 at hcsmail.com; Sponsored by ABANA
> > Subject: Re: [TheForge] Welding advice
> >
> > Hi Ron, The Air Arc torches are surprisingly less money than you think.  I
> > believe I paid $138 for the one I have now.
> >
> > BUT......in answer to your question, you probably could hold an air nozzle
> > just below a carbon rod to get molten metal to fly........why hell, give a
> > farmer a welder and it is just amazing what they'll come up with.
> >
> > Now the simple definition of a farmer:  is a man outstanding in his
> > field........so you fill in the blanks.     :-)
> >
> > I would not attempt to have a wet or damp hand holding the air nozzle if you
> > were to touch the carbon rod by mistake.....at 250+ amps you'd probably wake
> > up much later.......if at all.
> >
> >     I think this is followed by the usual disclaimer of "don't try this at
> > home kids......it's for professionals only"........... (or however that
> > saying goes).
> >
> > Ralph
> >
> >
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