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Early Technologies for Controlling Electric Vehicles |
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Tom Gocze, Maine’s Hot & Cold TV Host, also provides much hard-to-find Information about Early Methods of Controlling Electric Vehicles on His Website Today, electric car motors are controlled by high tech electronic controllers that are usually wired to a potentiometer attached to a foot pedal that functions like the accelerator in an internal combustion engine-driven car. However, a hundred years ago the speed of electric cars was controlled using ‘contactors’ which are electro-mechanical devices that varied the voltages that surged to the motor. These simple devices are repairable, but today’s mysterious electronic ‘black boxes’ are not, and contactors also cost much less than today’s very sophisticated electronics. So, unbeknownst to most people, you have two different choices of how to control the motor that will run an electric car, if you are planning to build one. The primary problem is that this type.of information is extremely difficult to find, but fortunately Tom Gocze, an experienced and long-time electric vehicle enthusiast who has the ‘Hot & Cold’ TV show here in Maine has accumulated an amazing array of information over many years concerning the contactor-control systems in a number of early vehicles. Here is the link to Tom’s website: http://www.hotandcold.tv/ When you get to this web page, click on the Contactor Controllers link to access his unique library of information on that subject. Also, his Electric Car Stuff link also shows a couple of the electric vehicles that he has owned over the years. Read our EVMaine.org interview with Tom here in which he talks about his many electric vehicle experiences over the years. . C3 Controls Another source for IEC Contactors, etc.
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