Quoted from mrm_4:I didn’t realize that putting something like this outside of an EV would kill the battery within a mile.
You guys are right the massive amount of drag this thing would give is enough to destroy the car entirely.
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Guess you slept through science class
If you can comprehend this, here is the technical explanation
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The concept you’re describing cannot work because it represents a form of perpetual motion, violating the laws of thermodynamics.
The energy recovered by the wind turbines on the car will always be less than the energy expended to make the car move in order to create the airflow through those turbines. That’s why engineers work to design cars to minimize the drag forces from wind at causing speeds in the first place.
For your idea to work, it would be necessary to have a car which would continue to accelerate on its own even if its engine were shut off, thereby requiring the use of your wind turbines or other such device to continuously remove energy.
The only time we see anything even resembling this behavior in our universe is when something is moving from a high potential energy state to a lower one (creating kinetic energy in the process). An example of this would be when going downhill.
Unfortunately, this is always a one-way ride, and once the potential energy is used up, the ride is over, and energy from some outside source must be obtained to reset the system by pushing it back up the hill, so to speak, or raising the potential energy once again.