Quote:
Originally Posted by Old Mechanic
One of the essential components of a purely mechanical flywheel energy recovery system, is a Infinitely Variable Transmission to store and apply the energy.
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Which of course begs the question: why on earth would anyone want a purely mechanical system? An electrical system is dead simple, and allows parasitic losses to be minimized, by e.g. suspending the flywheel on magnetic bearings in a vacuum.