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04-28-2015, 09:55 AM | #1 |
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Anyone tried this welding technique?
I came across this shade tree welding technique and it appears to be simple. But, then again a LOT of things look easy. If it is doable what type/size rod should you use?
Tom http://speedsociety.com/welding-diy-...-of-batteries/ |
04-28-2015, 10:26 AM | #2 |
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Re: Anyone tried this welding technique?
Certainly not a recommended metallugically sound or safe weld!
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04-28-2015, 10:36 AM | #3 |
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Re: Anyone tried this welding technique?
I've heard of drag racers doing battery welding at the race track when something broke. It got them back on the track and/or home. Isn't that guy in the film risking his lung health by having his head in that welding smoke?
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04-28-2015, 10:44 AM | #4 |
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Re: Anyone tried this welding technique?
looks like a good way to blow up some batteries and risk getting battery acid in your eyes and all over your shop. too dangerous for me!
batteries get hot and emit hydrogen gas, a small spark will ignite it and ouch!!! fordestes |
04-28-2015, 10:46 AM | #5 |
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Re: Anyone tried this welding technique?
Amps is Amps.
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04-28-2015, 11:08 AM | #6 |
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Re: Anyone tried this welding technique?
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04-28-2015, 11:29 AM | #7 |
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Re: Anyone tried this welding technique?
One could try-out this "emergency" welding technique along with trying-out this old emergency jack stand technique.......priceless! DD
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04-28-2015, 11:46 AM | #8 |
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Re: Anyone tried this welding technique?
I have used a golf cart to weld many times
You hAve to be quick to get the rod unstuck and back to an arc-- dead short not good, something will melt-- then you have battery terminal problemr |
04-28-2015, 11:55 AM | #9 |
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Re: Anyone tried this welding technique?
This would work with small diameter electrodes but the 24 volts from 2 batteries would probly drop to low when trying to strike and arc. 3 batteries for larger electrodes may work. When I was in the welding supply someone had a holder for welding from batteries that was sold to farmers. Someone also made a small MIG gun to operate from batteries. Most of this type equipment never worked to good and dropped out of site. G.M.
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04-28-2015, 12:22 PM | #10 |
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Re: Anyone tried this welding technique?
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04-28-2015, 12:24 PM | #11 |
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Re: Anyone tried this welding technique?
He didn't say what kind or size rod he used. I would guess 3/32 or 1/8' dia. 7014 electrode (since he is using straight polarity ).....Bob L
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04-28-2015, 04:18 PM | #12 |
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Re: Anyone tried this welding technique?
They also made carbon arc torches that ran off the car battery. This was a piece of carbon with a wood handle and an alligator clip on a wire attached to the carbon. If I remember as this was over 60 years ago the carbon was maybe 10 inches long and tapered at the working end. The part to be soldered or braised was grounded and the carbon tip glowed red when grounded and heated the joint. G.M.
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04-28-2015, 07:43 PM | #13 |
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Re: Anyone tried this welding technique?
I had a short class in High School on carbon arc welding. I believe it was a Farney welding machine.
Bruce
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04-29-2015, 09:43 AM | #14 |
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Re: Anyone tried this welding technique?
Your right, I couldn't remember Forney. I should have remembered I made some wire feeders for them and knew Jack Forney pretty well. They also made the Forney Air Coupe. G.M.
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04-29-2015, 10:08 AM | #15 |
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Re: Anyone tried this welding technique?
I know offroaders who do this to fix breaks on the trail.
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04-29-2015, 03:48 PM | #16 |
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Re: Anyone tried this welding technique?
Jeeze..... get a stinkin' welder. You can get a cheap one at a pawn shop.
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04-29-2015, 08:20 PM | #17 |
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Re: Anyone tried this welding technique?
I think you are supposed to use a coat hanger??
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04-30-2015, 09:13 AM | #18 |
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Re: Anyone tried this welding technique?
If you dont like the idea of using a batteries, try this:
http://en.wikipedia.org/wiki/Forge_welding |
04-30-2015, 10:01 AM | #19 |
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Re: Anyone tried this welding technique?
I've used a coat hanger many times for TIG or gas welding - good stuff, priced right....Bob L
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04-30-2015, 01:37 PM | #20 |
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Re: Anyone tried this welding technique?
As said... this has been a common off-roaders repair technique for 'eons'. Can't say I've tried it myself, but I've watched it numerous times. I haven't seen any problems, no 'near-accidents', seemed to work ok.
two batteries, enough jumper cables, rod, helmet, and your in business. No need to try this at home, but out in the boonies it's a good resource. |
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