Electric vehicles have become an extremely common sight for many people. Whether it's viewing a shiny new Tesla lower the street, or hopping on a light rail teach or renting an electric scooter to obtain from that train to your dwelling, EVs are everywhere.
One problem with electric motors is that because of the speeds of which they rotate, to end up being useful generally in most vehicles, they want a gear reduction device. I'd call it a transmitting, but generally, these gearboxes just have one swiftness. This takes the 10,000 rpm from a drive electric 发动机 and reduces the gear reduction motor quickness at the wheels while multiplying torque.
What if there were a engine that didn't need to spin as fast as that to make enough usable power and torque to drive a car? If that existed, you could alter all sorts of reasons for having electric car design. In the event that you didn't need a 变速箱, you would save a good-size chunk of weight and, probably a lot more crucially, space.
With that space, you could raise the size of your battery pack, and with the reduced weight, you'll improve all 
sorts of things such as handling, range and acceleration.
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