Alternators have slip rings, generators have a commutator. Generator fields are not permanent magnets. That is why you can change the polarity from one polarity to the other. They do have a small residual magnetism to start the charge. There is enough iron in an alt rotor to have a residual magnetism also. If you know what you are doing, you can make them start charging without any imput from the regulator. Also a generator produces a steady DC current. There is very little up & down wave.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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