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A flywheel is a mechanical device which uses the conservation of angular momentum to store rotational energy; a form of kinetic energy proportional to the product of its moment of inertia and the square of its rotational speed.

flywheel, heavy wheel attached to a rotating shaft so as to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.

The Book in One Paragraph It's often akin to pushing a giant flywheel. The more you push, the more momentum it gathers. You keep pushing until breakthrough finally occurs. Turning the Flywheel explains how you can build such a flywheel and witness positive transformation in your organization and your personal life.

HISTORY. Ubiquitous in rotating machinery, flywheels have been used as a component of manufacturing equipment since their application in potters' wheels before 2000 b.c.e. Flywheels attained broad use during the Industrial Revolution.

A flywheel comprises a rotating mass that stores kinetic energy. When charging, a torque applied in the direction of rotation accelerates the rotor, increasing its speed and stored energy. When discharging, a braking torque decelerates the rotor, extracting energy while performing useful work.

flywheel, heavy wheel attached to a rotating shaft so as to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.

A flywheel is a mechanical device which stores energy in the form of rotational momentum. Torque can be applied to a flywheel to cause it to spin, increasing its rotational momentum. This stored momentum can then be used to apply torque to any rotating object, most commonly machinery or motor vehicles.

A flywheel serves four main purposes (in most vehicles): It provides mass for rotational inertia to keep the engine in motion. It is specifically weighted to provide balance for the crankshaft. It provides a means to get the engine started (starter ring)