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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Sweating Copper w/ O/A??
Awl--
Someone ripped my B-tank sweating set-up. Turbo-Torch, Goss repalcements are, yikes, $200. I seem to remember a less fancy ditty for $60-70. Anyone know where I can get something like this? HD, Sears just have the bitty propane stuff. Plumbing supply houses only carry the $200 stuff. BUT, Can I just use my regyoolar O/A , w/ a highly reducing flame (ie, not a lot of Ox so's I don't wind up melting the copper)??? I have various size welding tips--as well as cutting tips. Yeah, now I gotta lug two tanks around, but I don't do a lot of sweating anyway (this partic. job may req. more heat than propane can give), so maybe I can save some bucks? Does it make sense that low ox pressure would be equivalent to TurboTorches venturi-type air, ie, air sucked in or aspirated w/ the acetylene flow? Strange, but if memory serves, the TT flame almost looks like an O/A flame, but w/ just atmospheric air!! Not like it smokes or anything. Yet there has to be a substantial diff. in heat/temp, right?? Just curious about that. Hope you all can help, as this plumbing job--or lack thereof--is causing some amount of grief. And that $200 for a TT ain't exactly burnin holes in my pocket. ---------------------------- Mr. P.V.'d formerly Droll Troll |
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