What are the Advantages and Disadvantages of a Flywheel?

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Flywheels are relatively simple technology with many plus points compared to rivals like rechargeable batteries: in terms of initial cost and ongoing maintenance, they see cheaper, last about 10 times longer (there are still many working flywheels operating dating from the economic Revolution), are environmentally friendly (produce no greenhouse emission emissions and contain no hazardous chemicals that cause pollution), add almost any climate, and are very quick to induce up to hurry (unlike batteries, for instance, which might take many hours to charge). They’re also extremely efficient (maybe 80 percent or more) and take up less space than batteries or other kinds of energy storage (like pumped water storage reservoirs).



The biggest disadvantage of flywheels (certainly to this point as vehicles are concerned) is that the weight they add. a whole Formula 1 KERS flywheel system (including the container, hydraulics, and electronic control systems it needs) about 25kg to the car’s weight, which is a significant extra load. Another problem (particularly for Formula 1 drivers) is that an outsized, heavy wheel spinning inside a moving car will tend to act sort of a gyroscope, resisting changes in its direction and potentially affecting the handling of the vehicle (although there are various solutions, including mounting flywheels on gimbals sort of a ship’s compass).

An extra difficulty is that the huge stresses and strains that flywheels experience once they rotate at extremely high speeds, which may cause them to shatter and explode into fragments. This acts as a limit on how briskly flywheels can spin and, consequently, what quantity of energy they will store. While traditional wheels were made of steel and spun around within the outside, modern ones are more likely to use high-performance composites or ceramics and be sealed inside containers, making higher speeds and energies possible without compromising on safety.

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