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  • How to Wire Batteries in Series (or in Parallel)

    i have two 12 volt batteries that i wire in series for remote wire feed welding but cant weld anything below 1/8 inch because i blow a hole every time could you give me a way to limit the voltage output between the two batteries

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  • Spool Gun Handheld Wirefeed Welder Powered by Car Batteries

    i did the instruct-able with my taken apart hf wire feed welder with an optima blue top and a walmart car batery and i was able to blow holes through stuff id like to know if theres a way to limit the voltage going to the gun

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  • JamesF201 commented on kurtz64's instructable Car Battery Mig Welder2 years ago
    Car Battery Mig Welder

    hey i did the same thing but i an having issues because my buddies all run optima blue top batteries so on sheet metal 1/16'" i blow a hole through it is there any way of wiring in a potentiometer or rheostat

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  • Spool Gun Handheld Wirefeed Welder Powered by Car Batteries

    I figured this was a good idea and decided to modify my horrible freight welder to stick got the rod stuck lights go off fan dies <thinks> oh i popped my breaker <end of thought> wasnt the issue still dont know what is but essentially that is what a horrible freight welder is a transformer with two outputs that you can weld with (you can make one but oh is that sketchy) a mig wont have the problem because the wire never gets stuck (short circuits) for long periods of time so no consistent building up of heat / just know AC will never run right for flux cored welding it needs DCEN (direct current electrode negative)changing polarity 60 times a second (60 herts AC what the US uses) is like trying to weld with a sparkler your kids play with on the 4th of july it work but terrib...

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    I figured this was a good idea and decided to modify my horrible freight welder to stick got the rod stuck lights go off fan dies <thinks> oh i popped my breaker <end of thought> wasnt the issue still dont know what is but essentially that is what a horrible freight welder is a transformer with two outputs that you can weld with (you can make one but oh is that sketchy) a mig wont have the problem because the wire never gets stuck (short circuits) for long periods of time so no consistent building up of heat / just know AC will never run right for flux cored welding it needs DCEN (direct current electrode negative)changing polarity 60 times a second (60 herts AC what the US uses) is like trying to weld with a sparkler your kids play with on the 4th of july it work but terrible weld quality id say just find a hf welder and modify it with a brige rectifirer like i should have done people do it all the time and see good results just dont cheap out with the bridge and capacitor and you will be good

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