[TheForge] cutting 1/4 copper

[Kevin D]

Dave,

Actually a friend has a plasma cutter that he brought over.  I suppose it
was one capable of 20 ga. steel.  It was cute to watch that little arc just
sit there and hum...don't know what size plasma it would take.

On a similar vein, I was browsing a used machinery website and noticed a
plasma cutter that was billed as able to be a stick welder as well.  Does
anyone have any idea of a conversion for my old Hobart Truarc 250 to plasma
cut?  Not being familiar with plasma, I'd assume that copper would take more
juice than steel?  I'm not particularly inclined to invest in a plasma
cutter, but wouldn't mind rigging my compressor and buzz box to effect the
deal.

Kevin

 -----Original Message-----
 From: theforge-bounces at mailman.qth.net
 [mailto:theforge-bounces at mailman.qth.net]On Behalf Of magichammer
 Sent: Tuesday, April 12, 2005 11:29 AM
 To: Sponsored by ABANA
 Subject: Re: [TheForge] cutting 1/4 copper


 plasma cutter

 dave m

 Kevin D wrote:

 >How about a redsmithing question to break the lull?
 >
 >Last year a local scrap yard had some copper for sale, so I
 bought a couple
 >hundred pounds at $1/lb.  So a buddy of mine would like a chunk out of a
 >~4'x5'x 1/4" plate that I'd bought.  We spent an hour and a half chiseling
 >down both sides until it was scored and work hardened enough to
 lay it on a
 >4x4 and jump on it to break it along the chisel line.
 >
 >We'd tried setting up a fence and cutting it with a sawzall, but
 it wouldn't
 >cut straight.  The blade flexed too easily, perhaps too much pressure?
 >Anyway, anyone got any better ideas on how to cut out pieces?
 >
 >Kevin Donahoe
 >Flying Pig Forge
 >Morrow, OH 45152
 >flyinpig at go-concepts.com
 >
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