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Geneva 2010: Porsche 911 GT3 R Hybrid

Articol publicat in data de 4 March 2010 – 1,975 vizite
Geneva 2010: Porsche 911 GT3 R Hybrid

Acesta este hybrid-ul pe care ni-l dorim toti. Prin toti ma refer la cei care citim astfel de site-uri si ne interesam de masini care sa ne faca stomacul sa se simta cat mai ciudat posibil. Este un altfel de hybrid cu un altfel de target.

Categoric ca vrea sa polueze mai putin, dar acest hybrid vrea sa si castige curse! O sa incerce prima oara pe in Mai, iar in functie de rezultatele de atunci se va decide in ce directie va merge masina.

Si pentru ca nu-mi place sa scriu de doua ori, va invit sa cititi detalii despre masina in acest articol, sau sa alegeti calea oficiala prin comunicatul de mai jos.

Exactly 110 years after Ferdinand Porsche developed the world’s first car with hybrid drive, the Lohner Porsche Semper Vivus, Dr. Ing. h.c. F. Porsche AG, Stuttgart, is once again taking up this visionary drive in production-based racing: During the Motor Show, a 3 R with innovative hybrid drive is making its debut, opening up a new chapter in the history of Porsche with more than 20,000 wins in 45 years scored by the extremely successful Porsche 911 in racing trim.

The innovative hybrid technology featured in the car has been developed especially for racing, standing out significantly in its configuration and components from conventional hybrid systems. In this case, electrical front axle drive with two electric motors developing 60 each supplements the 480-bhp four-litre flat-six at the rear of the 911 R Hybrid. A further significant point is that instead of the usual batteries in a hybrid road car, an electrical flywheel power generator fitted in the interior next to the driver delivers energy to the electric motors.

The flywheel generator itself is an electric motor with its rotor spinning at speeds of up to 40,000 rpm, storing energy mechanically as rotation energy. The flywheel generator is charged whenever the driver applies the brakes, with the two electric motors reversing their function on the front axle and acting themselves as generators. Then, whenever necessary, that is when accelerating out of a bend or when overtaking, the driver is able to call up extra energy from the charged flywheel generator, the flywheel being slowed down electromagnetically in the generator mode and thus supplying up to 120 kW to the two electric motors at the front from its kinetic energy. This additional power is available to the driver after each charge process for approximately 6 – 8 seconds.

Energy formerly converted – and thus wasted – into heat upon every application of the brakes, is now highly efficiently converted into additional drive power.

Depending on racing conditions, hybrid drive is used in this case not only for extra power, but also to save fuel. This again increases the efficiency and, accordingly, the performance of the 911 , for example by reducing the weight of the tank or making pitstops less frequent.

After its debut in Geneva the 911 GT3 R Hybrid will be tested in long-distance on the Nürburgring. The highlight of this test programme will be the 24 Hours on the of Nürburgring on May 15th and 16th. The is not on the 911 GT3 R Hybrid winning the race, but rather serving as a spearhead in technology and a “racing laboratory” providing know-how on the subsequent use of hybrid technology in road-going sports cars.

The 911 GT3 R Hybrid is a perfect example of the Porsche Intelligent Performance philosophy, a principle to be found in every Porsche: More power on less fuel, more efficiency and lower CO2 emissions – on the track and on the road.

Sursa: Autoblog


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