If you've ever bought an emergency hand-crank flashlight you'll see that it takes a tremendous amount of cranking on a pretty big coil to get a decent amount of

If you've ever bought an emergency hand-crank flashlight you'll see that it takes a tremendous amount of cranking on a pretty big coil to get a decent amount of electricity. On that small crank, you would probably have to crank for hours nonstop to get 20 mins of gameplay.