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Old 04-03-2012, 07:15 PM
Bicycle Motor Fun Bicycle Motor Fun is offline
Motorized Bicycle Senior Member
Join Date: Sep 2011
Location: Warren, Michigan
Posts: 89
Default Re: easy/safe to weld exhaust pipe with propane torch?

Large sections of metal, copper especially, will "sink" a lot of heat. As mentioned earlier, I would use a MAP gas torch, available at HD, Lowes, etc. I would use Silver Solder, it will take a little less heat than brazing rod-check a local welding supply for the Silver Solder, it is extremely strong. BMF
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