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42 VOLT Conversion

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RICK

07-06-1999 19:31:12




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I'm just curious, when the auto industry goes to the new 42 volt standard in 2002 are all you guys going to convert your 12 volt systems? Will my old Jub be the only 6 volt left?




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Larry 8N75381

07-07-1999 07:29:07




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 Re: 42 VOLT Conversion in reply to RICK, 07-06-1999 19:31:12  
I wonder what OSHA might have to say about the increased chance of electrocution by the "new" standard?

For those who do not know, it is NOT voltage that kills, rather it is the current. If it was voltage, leather shoes on wool carpet (or what ever the combination is) would have killed a lot of us. Remember shocking people as a kid when you found out about rubbing your shoes on certian carpet?

A current of about 10 milliamps (.01 amp) is the threshold of most people for feeling electricity. And only one amp will kill you. A 12 volt battery can kill you if you can make good enough contact - hard to do BUT doable. With a 42 volt battery it is three and a half times easier to make that "good contact".

What is the "new" standard susposed to accomplish?!? It certianly is not to increase the available power in the battery since that is dependent upon size not the number of cells, or voltage. The only reason I can think of is to allow more corrosion on the terminals before you have problems - read be slopier maintaining the electrical system.

Guess what voltage my 8N runs on. (BIG grin)

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llamas

07-07-1999 08:18:45




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 Re: Re: 42 VOLT Conversion in reply to Larry 8N75381, 07-07-1999 07:29:07  
I'm sure it's only coincidence that 42 volts is the SELV level set by the UL/CSA/IEC electrical safety standard. At or below this voltage, accidental contact is considered non-hazardous absent any other energy (ie high-current) considerations.

One of the reasons for the push for higher distributed voltages is the use of devices such as discharge lamps and displays, which require higher voltage but lower current. If the distributed voltage stays at 12 volts, each of these devices would require a (relatively) bulky and costly voltage converter.

llater,

llamas

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David Sales

07-07-1999 09:57:43




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 Re: Re: Re: 42 VOLT Conversion in reply to llamas, 07-07-1999 08:18:45  
Don't forget the cost of wiring. More volts means you can reduce the amps for the same work. Reducing amps allows for smaller wires. Smaller wires equals less copper equals less money. We forget that one of the biggest reasons car makers changed to 12 volts from 6 volts was to save several pounds of copper wire per car. Save a few bucks per car times a few million cars -- you do the math.

All said, I'm still happy with my 6 volt system.

David

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bg

07-06-1999 19:59:45




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 Re: 42 VOLT Conversion in reply to RICK, 07-06-1999 19:31:12  
You and me, Rick....



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Ron(ore)

07-06-1999 20:34:38




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 Re: Re: 42 VOLT Conversion in reply to bg, 07-06-1999 19:59:45  
Me too! I'll just be getting good at working my 2N's impliments and understanding how to work the PTO even with an overrunnig coupler. No way I'm changin' ma 6 volt!



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llamas

07-07-1999 03:05:39




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 Re: Re: Re: 42 VOLT Conversion in reply to Ron(ore), 07-06-1999 20:34:38  
You an' me an' bg altogether. Not a thing wrong with 6 volts.

If I am saved to live that long, I expect to see discussions in the year 2037 about how the 42 volt system is a little weak and how about these new 84 volt conversion kits?

llater,

llamas



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