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 ...

A detailed look at machining a precise flywheel drive plate for a high-power CAT engine, covering setup, alignment, and final cuts. What makes this part so critical? BBC expert warns 'millions getting ...