Replacing the electromagnet in an automotive alternator increases the efficiency of the alternator a wee bit as there isn't 40-50 watts of power used to excite a magnetic field. Being that an alternator is making approx 500watts while cruising down the highway. And it takes approx 900watts of shaft power to spin the alternator. Saving 50 watts to energize the field while it takes 30,000watts to push your empty truck down a flat highway??? You are not going to see the 50 watts. If a PM magnet in an alternator gives free power. Why don't we just set a PM alternator under the hood and take the drive pulley off it. And use the output from this PM alternator to drive an electric vehicle? Do you think you can swap out the electric rotor from an alternator? Replace it with a PM magnet. Then set the PM alternator on a bench and get free power??? Why not just take a vehicle with the permanent magnet starter. Throw away that heavy wasteful gasoline engine. And drive around on the starter while it also charges the battery with free magnetic energy. Influenced by "false teaching"? Is there some great conspiracy to keep the world under bondage to "false" rules of thermodynamics? Did you used to live down at Wako Texas with David Koresh
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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