That is one way to approach the biggest problem with automotive alternators when running under larger loads. It's pretty easy to build a 10SI alternator to put out 140 amps but if they are used at that output for more than a couple minutes they will fail. A 40SI alternator may have the same output but they use three sets of rectifier bridges to spread the load to help keep them cool.
If you need a 10SI type alternator with a higher output you should consider the 12SI series. It has the same size case and mounting but uses a more efficient fan and larger cooling vents.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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