Today, high-performance clutch design is so sophisticated, and manufacturers' claims often so conflicting, that it's difficult to know just what type of clutch is best for your particular application.

After years of being billed as the next great revolutionary means of propulsion, flywheels may finally be ready for prime time. Aside from a few modest successes, flywheels have not lived up to this ...

• Next-generation flywheels will be capable of megawatt-level energy storage. • Beacon Power’s hubless flywheel will require a breakthrough in magnet design. The ability to store electricity for later ...

Publications ranging from Wired Magazine to Discover described them as the next major source of clean power. Enthusiastic inventors claimed flywheels could be the primary power source for a variety of ...