The flywheel plays a major role in how a car reacts, and choosing the wrong one for your application can make the car difficult to drive, or a sloth under acceleration. Often, a problem can be solved ...

"Picture a huge, heavy flywheel—a massive metal disk mounted horizontally on an axle, about 30 feet in diameter, 2 feet thick, and weighing about 5,000 pounds. Now imagine that your task is to get the ...