That's why I'm an ME and not an EE. Every time I see electricity there is something wrong (except for lights).
Do you remember the discussion a few years back when folks were arguing that a six volt starter would not last on 12v?
I have always believed that the horsepower required of the starter to spin the engine faster on 12v was not double, and the amps would actually be less than half the 6v requirement. My logic is that some of the energy goes into overcoming friction which is not proportional to speed, and some of it goes into compressing air, and you get some of that back even when the spark does not fire on the power stroke. So the starter does not really care about voltage (for a long life) but it is running a a lot less amps.
Which brings me to a question. Have you ever measured cranking amps on the same tractor with 6v and then with 12v to really see how the amps go down?
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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