Unfortunately for us, the Flywheel on all of our cars/trucks is connected directly to the crankshaft.
We couldn't really use the kinetic energy of the flywheel without running the engine (and keeping the engine at the flywheels RPM)
It'd take some massive re-engineering to make a flywheel a useful energy storage device again.
And then (once again) there's the safety issue.
I personally don't want a 30lb. flywheel, at 3000rpm, ripping loose in my engine compartment.
That's roughly 4.75 kilowatt hours by my calculations. Anyway you cut it, that's a lot of energy to go off in an uncontrolled fashion.
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"I got 350 heads on a 305 engine. I get 10 miles to the gallon. I ain't got no good intentions." - The Drive By Truckers.
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