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Electric Roads To Power Cars

RedEaredSlider (1855926) writes | more than 3 years ago

Power 0

RedEaredSlider (1855926) writes "If you are old enough to remember slot car racing, this might look familiar: an electric car powered by the roadway itself, rather than carrying its power supply along.

Some electric trolleys, subways and trains operate this way, because the vehicle is on a track, and the circuit is completed through a contact overhead. Bumper cars operate similarly, as they are always in contact with a metal floor, which completes the circuit through a pole in the back that touches the ceiling. But road cars can't do this — you'd need something more akin to a third rail system.

That's what Masahiro Hanazawa at Toyota Central R&D Labs in Japan, working with Takashi Ohira at the Toyohashi University of Technology, say they have. Using steel belts in the tires and a metal plate in the road, they can get a similar effect as in slot cars or third-rail powered trains. The energy, running through the plate, is transmitted to the car through the wheels, powering the motor and eliminating the need for batteries."

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