The 918 Spyder is one of the three models of Porsche hybrid system that will make its world debut at the Geneva Motor Show 2010 . This trio, comprised of the new Cayenne S Hybrid SUV with a full parallel hybrid system, the race car 911 GT3 R Hybrid with electric traction on the front axle and a mass flywheel battery and the sports car 918 Spyder two-seater high-performance , with center-mounted engine and plug-in hybrid technology, clearly demonstrates not only the high bandwidth of this new drive technology, but also the innovative power of Porsche as a genuine pioneer in the hybrid system.
The 918 Spyder race combines the features of high-tech electric mobility and offer a range of fascinating qualities. It is planned to provide an emission level of only 70 grams of carbon dioxide per kilometer fuel consumption of only three liters per 100 kilometers (roughly equivalent to 78 mpg).
The prototype car Spyder 918 highly innovative combination of intelligent performance philosophy of Porsche with high technology of motorsports, with a classic yet modern design to make a truly convincing statement.
Roadster This car has a V8 engine that develops high-speed over 500 hp and a maximum engine speed of 9,200 rpm, as well as electric motors in the front and rear with a total mechanical power of 218 hp (160 kW) .
The combustion engine V8 is another further development of the 3.4-liter powerplant highly successful and presented in the RS Spyder race car and located in the center opposite the rear axle, giving the car excellent balance and configuration exact optimal performance on the racetrack.
The power reserve is a lithium ion battery liquid cooled located behind the passenger compartment. The great advantage of a plug-in hybrid is that you can charge the battery in a common grid.
In addition, a button on the steering wheel allows the driver to choose between four different modes of operation: the E-Drive mode (electrical conductivity) is to turn the car on electric power only, with a range of 25 kilometers or 16 miles. In hybrid mode, the 918 Spyder uses both electric motors and combustion engines as a function of driving conditions and requirements, offering a range that includes, especially from high efficiency of fuel to be super powerful.
The hybrid method uses both systems sport driving, but with the emphasis on performance. Most of the traction power goes to the rear wheels, with moderate braking system on the rear wheels (Torque Vectoring) used to further improve the car's driving dynamics.
In hybrid form of racing, the conduction system focuses on pure performance with the highest standard of driving dynamics on the track, moving the limit of the dynamic power output. With the battery charged enough, the button "push to advance" (push-to-pass) provides additional power (E-Boost), to get ahead or get even better performance.
With the hybrid drive system that offers this wide range of modalities and individual applications, the 918 Spyder is capable of achieving lap times comparable to those race car or a first-line plug-in hybrid with extremely low emissions figures and high fuel economy.
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