- a heavy disk or wheel rotating on a shaft so that its momentum gives almost uniform rotational speed to the shaft and to all connected machinery.
Origin of flywheel
Examples from the Web for flywheel
Historical Examples of flywheel
The flywheel is held to the crank-shaft by means of a set-screw S.
The momentum of the flywheel A pushes the piston upward, closing these holes.
Nothing now remains to be made except the crank and the flywheel.
A flywheel keeps an engine going between the strokes of the piston.Common Science
Carleton W. Washburne
Mr. Hastings helped him, but after a few turns of the flywheel there were no explosions.Tom Swift and his Motor-boat
- a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine by maintaining a constant speed of rotation over the whole cycle