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Originally Posted by Ryland
What is your source for this? Because this does not work without ending up with a net loss so why even bother? you can not create energy and batteries just store energy.
Also if a motor is 80% efficient it doesn't matter if it's 150 pounds or 5 pounds it's still 80% efficient.
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Look up Nicola Tesla on the net and you will find many wonders including the Tesla Switch, the Tesla coil, the first AC generator, etc.
I am afraid that what you do not understand is that if a motor is 80% efficient it was given that rateing sitting on a test bench and running at a specific load and speed and the weight was not an issue. In a car the motor weight changes the numbers because the motor must pull its own weight. a 5 pound motor rated at 80% would run much more effeciently under its own weight than a 150 pound motor could. This is assuming that the horse power rating was the same for both motors. If you and a friend were to run a race and you had 1000 lbs on your back but he carried no extra weight, who would win?
You can't create energy but you can save it. It is a matter of reclaiming waste. If money falls out of your pocket you can just walk away or you can pick it up and spend it without violating any of the laws of phisics.
The range of the car depends on our using every last watt.