Flywheel Bridges

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Used in the Waikapu Sugar Mill, each of these flywheel segments weighs 18 tons.

Here's how they worked in tandem with the gears you also see on our grounds.

A flywheel is a rotating mechanical device that is used to store rotational energy. Flywheels have a significant moment of inertia and thus resist changes in rotational speed. The amount of energy stored in a flywheel is proportional to the square of its rotational speed. Energy is transferred to a flywheel by applying torque to it, thereby increasing its rotational speed, and hence its stored energy.