Flywheel energy storage
device · 1950 · Digital age
Stores energy in the rotation of a flywheel.
What it is made of
- Flywheel — has part. A flywheel.
Principles and materials it uses
- Angular momentum — uses. Rotational energy.
- Carbon fibre — is made of. The rotor is carbon fibre.
- Steel — is made of. Early ones were steel.