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AUTOMOTIVE

New F1 tech for road cars – the mechanical kinetic energy recovery system

By Mike Hanlon

22:00 May 5, 2007 PDT

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New F1 tech for road cars – the mechanical kinetic energy recovery system

New F1 tech for road cars – the mechanical kinetic energy recovery system

The system supports the current trend in powertrain design for engine downsizing by providing a means of boosting acceleration, overall performance and economy independently of the vehicle’s engine and without the need for complex electrical-battery hybrid architectures.

A CVT-controlled flywheel is particularly suited to stop-start driving situations when real-world fuel economy is often at its worst. In these conditions, the variator-flywheel system can assist the launch of a vehicle which has slowed down or come to a standstill, by utilising the kinetic energy stored in the flywheel. In heavily congested traffic, where a car is frequently stopped and restarted, the system can help alleviate the heavy fuel consumption and emissions of greenhouse gasses normally associated with these conditions.

For the F1 applications, the stored kinetic energy can be applied by the driver on demand whenever required – at a rate and for a time period set by the regulations – to boost performance for rapid acceleration. The device is particularly beneficial when exiting corners or for tricky overtaking manoeuvres.

“The mechanical efficiency, compactness and mass of the variator system is critical since it directly influences the size and the ability to package such a system into an F1 car, or into a road vehicle,” says Adrian Moore, technical director at Xtrac. “The size, torque capacity and response of the unit is critical to take the full advantage of having a flywheel KERS system.”

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User Comments (1)
 

so many changes occuring accross the spectrum,,,,,,,,,,, all thanks to the credit crunch,,,,,,thank you bankers !

comment

robinyatesuk2003

- September 3, 2009 @ 05:09 pm PDT

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