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 - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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