Like said, voltage regulators are temperature compensated. Some are very active, some are not. Some read battery temperature through a sensor under the battery , most don't. Some regulators for continuous use like farm tractors running for many hours full bore have a lower set point to reduce overcharging. When IH started using the lower voltage regulators , most thought the alternator was defective. That being said, normally when checking for full rated output of a alternator, you load the battery until it drops to 13 volts and at that voltage the alternator should be capable of turning out it's rated amperage, like 100 amps for a l00 amp alternator or within 90 percent of that. So, you can see , that voltage will normally drop some when using a lot of current.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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