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Porsche 911 with Flywheel Generator

Porsche, SupersPort luxury car specialist, is currently aggressively developing hybrid cars. At the Geneva Motor Show early last month, Porsche introduced a three-car hybrids directly, i.e. 911 GT3 R (dragster), Spyder 918 concept car and SUV Cayenne S. Great, all three apply different concepts.

Two Motor
From these models, the most interesting is the 911 GT3 R. Configuration and components used, the difference compared to conventional hybrids. In this case, to store energy recovered from braking, do not use batteries, but the generator flywheel, which is placed, in the cockpit, next to the driver.

The greatness of this generator, capable of storing energy in the high density and can also remove it quickly. The ability to store energy generators, 120 kW (160 PS). Remarkably again, the charging energy of it only lasts 6-8 seconds.

Flywheel generators of electrical energy, when used, were sent to two electric motors mounted on the front wheels. Setup motor is also capable of generating power 60 kW (80PS). Power electric motor is used only in addition, to help work the main drivers, namely 6-cylinder gasoline engine, boxer, 4.0-liter, 480 PS mounted on the rear.

Flywheel generator technology is actually similar to the Kinetic Energy Recover Systems (KERS), which used F1 cars (this year may not be used). Porsche get this technology from Williams Hybrid Power.

40 000 rpm
Flywheel generator is an electric motor with a rotor that can spin to 40,000 rpm, the mechanical energy as an energy saving cycle. When the car braked, kinetic energy is converted electric motor on the front axle into electric energy. It can happen, because the motor to change tasks, from the electric motor becomes a generator. Furthermore, electrical energy is transmitted and stored in the flywheel generator.

The energy stored in the flywheel generator can be used anytime. But most often is when accelerated after cornering or precedes another car. Motorists can also do overrider manually, control the flywheel generators work by pressing the boost button on the steering wheel. Electrical energy from the flywheel generator directly sent to the electric motor on the front axle. When energy is taken, the generator slows down the electromagnetic flywheel.

Because energy is obtained without increasing engine speed, fuel consumption so thrifty. The amount of fuel carried may be reduced. Pitstop is much less frequency. Proof of this new technology gains made Porsche at 24-hour endurance race, in N├╝burgring on 15 and May 16 next to the driver, Nico H├╝lkenberg, F1 driver from AT & T Williams team.

Apparently, racing cars can also be economical and environmentally friendly!


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