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In 2015, Japan built the world’s largest-class superconducting flywheel power storage system with a superconducting magnetic bearings. The completed system is the world’s largest-class flywheel power ...

As a means to store energy, power cars, or even ensure geopolitical survival, batteries suddenly rule our planet. Within the past two decades, however, racing minds briefly saw one of humankind’s ...

The flywheel plays a major role in how a car reacts, and choosing the wrong one for your application can make the car difficult to drive, or a sloth under acceleration. Often, a problem can be solved ...

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 ...

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In the first part of this project series we learned of my experiences with a slipping clutch--a problem I was having after only a couple of baseline quarter-mile test runs. The second write-up ...

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 ...