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Tractor Talk Discussion Forum

Electolysis rust removal - I have an idea

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Rex in Australi

05-04-2008 23:48:21




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Yes, I know that this subject has been well hammered out in the past. I have tried the system on some old tools and a few other things on a small scale and was very happy with the results. I have used my battery charger, and the 12v DC on my little camping generator in the past but have been limited to low amps. Has anyone tried using a car alternator for output? Thinking about trying an alternator driven by an electric motor as it should be able to push out considerably more amps than a charge? Any thoughts out there from the gurus?
Cheers,
Rex

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Fancy Farm

05-06-2008 12:41:28




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
A battery charger works just fine in matter of fact you can heat the water in a smaller container with a battery charger I don't think more amps will help much. I use 12 volts on small parts and 6 volts on large parts.



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olddog

05-06-2008 04:32:21




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
Check out Tractorbynet.com. "Build it yourself forum". Remember a thread about someone building a welder from a car alternator and running it off garden tractor. May do the same job.



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ken in texas

05-05-2008 19:20:27




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
An alternator is an ac gen. but diodes convert it to dc,but would need a connection to a battery to work. Good luck. I use a 24 volt battery charger,made for wheelchair batteries,charging two at a time.



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IH2444

05-05-2008 10:08:20




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
With this electrolisis using a battery charger is the voltage or current supplied the limiting factor ?
I guess I will have to try it and find out.



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Mike (WA)

05-05-2008 08:22:00




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
Electrolysis won't work on AC- has to be DC, so the rust molecules move off one electrode and over to the other. You should be able to get (or build) a DC power supply at about any amperage you want.



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dellwoodbu

05-05-2008 06:06:52




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
I think most vehicles also have a seperate voltage regulator that helps keep the voltage produced by the alternator to something sane regardless of RPM etc. You would probably need this piece as well, it is typically bolted to the frame or some other large chunk of metal to dissipate heat. No mechanic but be sure to check into this before proceeding.



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garytomaszewski

05-05-2008 07:07:49




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 Re: Electolysis rust removal - I have an idea in reply to dellwoodbu, 05-05-2008 06:06:52  
It's been years (15-20-more) since alternators have had a seperate voltage regulator.



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IH2444

05-05-2008 05:34:28




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 Re: Electolysis rust removal - I have an idea in reply to Rex in Australia, 05-04-2008 23:48:21  
Hmm I am not sure, you would of course have to have a battery hooked up for the alternator to put out. Not sure if the souloution would limit the current or just runaway and drain the battery/ boil away, etc....



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