The change from 6 volts to 12 volts wasn't made because their were problems with the 6 volt system as much as it was cheaper to build 12 volt systems. As electrical demand increased with newer vehicles continuing to use 6 volt systems would have meant much larger charging systems. Double the voltage and you can get the same amount of electrical energy with half the amps. The savings in copper alone was substantial for manufacturers. Save a nickel on an item and if you make 100,000 copies you just saved 5 grand.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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