There are DC welders designed for use by off-road enthusiasts that would fit the bill or maybe give you more ideas.
Good luck! Glenn Burt -----Original Message----- From: "Tom DeBates" <habite...@yahoo.com> Sent: 11/23/2013 8:49 To: "re-wrenches@lists.re-wrenches.org" <re-wrenches@lists.re-wrenches.org> Subject: [RE-wrenches] DC arc welder? Hello Wrenches, Recently, while working overseas, we were asked by a welder we employed if we could make a "solar welder" for him. So, not wanting to dismiss his request, my initial thought was to eliminate an inverter and welder for cost and efficiency reasons and weld directly from a battery bank. I have done some homework on this and it seems as though it may be feasible. There is a YouTube video of a guy doing this with 3, 12 volt batteries in series. This would be stick welding only and rod of ~ 3/32". There would be some details to work through, but the biggest one seems to be a means to limit current to the electrode. Has anyone attempted this and/or know of a means to limit the current to the rod? Thank you, Tom DeBates Habi-Tek Geneva,IL. 60134
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