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Re: Running a 12 volt hydraulic pump on 6 volts????

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12-12-2012 12:19:38

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Sure there is. All coils have internal resistors - i.e. the windings. A coil sold as not needing an external ballast resistor for a 12 volt system simply has the equivalent of the the external ballast resistor windings rolled into the internals.

Outside or inside - it's still a bunch of small wire windings to create resistance.

Regardless if a "6 volt" coil with separate resistor outside, or a "12 volt coil" with no outside coil of wire or carbon resistor wire (like GM and Deere use sometimes) - it will all total somewhere around 3-4 ohms on the primary.

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12-12-2012 14:20:37

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to LJD, 12-12-2012 12:19:38  
But it does not have an internal resister as such so as I said I am correct.

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12-13-2012 06:44:33

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to old, 12-12-2012 14:20:37  
I think we are talking in circles. The coil inside the can IS a resistor.

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12-13-2012 10:03:23

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to LJD, 12-13-2012 06:44:33  
As per electronic terms as taught in such school no. It is wound in such a way so as not to have the need for a resister but the wire is not a resister but is just wound so that there is no need for a resister which it in fact 2 different things. Navy ET and electronics tek for decades as in since 1974. I have forgot man thing when it comes to electronics that few ever learned. If you understand electronics explain this. Bad Boys Rape Our Young Daughters But Violet Give Willing Lee

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60 acre hillside

12-15-2012 14:54:41

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to old, 12-13-2012 10:03:23  
Digits for resistor values, There is no color starting with "D" but there is "G" for green Bad boys do not rape young daughters but they do rape young girls "G" Green band on resistor. Ok I guess every young girl is some dad's daughter.

I never had any trouble getting students to understand the color bands on resistors since I learned that.

60 Acre Hillside. Technology Teacher Applied Electricity (years ago)

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12-16-2012 08:48:57

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to 60 acre hillside, 12-15-2012 14:54:41  
I learned that in Navy A school for basic electronics the went to B school for computer maintenance/repair. Learned to hate working on electronics so gave it up and did engines and welding and other hands on such. Boy have the computers changed since I use to fix them

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12-12-2012 12:46:58

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 Re: Running a 12 volt hydraulic pump on 6 volts???? in reply to LJD, 12-12-2012 12:19:38  
Thanks for the info, that's good to know.

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