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All you need to Know about Porsche 918 Spyder

Published On May 17, 2013 03:46 PM By Amit

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Porsche, the Stuttgart based performance car manufacturer is working on its upcoming fascinating hypercar, called as 918 Spyder. The mean-machine is in its final stages of development and will be officially revealed by the company in near future. The Porsche 918 Spyder is a two seater supercar which comes equipped with the 4.6-litre, eight cylinder engine that produces 608hp of power. The engine is derived directly from the power unit of the successful RS Spyder, which explains why it can deliver engine speeds of up to 9,150 rpm. The engine is coupled to an lithium-ion battery with a 6.8 kWh capacity motor. The hybrid module on rear axle gives 154hp of power and the electric motor positioned at the front gives 127hp, making a combined power output of 887hp.

Porsche 918 Spyder

Striking features of the V8 are that it no longer supports any auxiliary systems, there are no external belt drives and the engine is therefore particularly compact. Weight and performance optimizations achieve a power output per liter of approx. 133 hp/l – the highest power output per liter of a Porsche naturally aspirated engine – which is significantly higher than that of the Carrera GT (106 hp/l) and outstanding for a naturally aspirated engine. The 4.6-litre engine is coupled to a 7-speed automatic PDK transmission. The car remains stable at a top speed of 340km/h and sprints 0-200km/h in just 7.9 seconds. More interestingly, the car reaches 100km/h from stand still in mere 2.8 seconds, while in electric mode, the hypercar sprints to 100km/h in just 7 seconds. 

Porsche 918 Spyder

The complete electric mode of the Porsche 918 Spyder can run up to 29 kms. Th lithium-ion battery is plug-in charger compatible, one can charge the vehicle completely by using a normal household socket in less than 7-hours. Despite high power and torque value, the hypercar offers a fuel efficiency of up to 33km/l. The 918 Spyder utilizes the best state-of-the-art technologies, taken straight from motor racing, to achieve its top performance. The entire load-bearing structure is made of carbon fiber reinforced polymer (CFRP) for extreme torsional rigidity. Additional crash elements at the front and rear absorb and reduce the energy of a collision.

Porsche 918 Spyder

The car’s unladen weight of approximately 1640 kgs, an excellent low weight for a hybrid vehicle of this performance class, is largely attributable to this concept. This results in a slightly rear end biased axle load distribution of 57 percent on the rear axle and 43 percent on the front axle, combined with an extremely low center of gravity at approximately the height of the wheel hubs, which is ideal for driving dynamics.

Porsche 918 Spyder

The multi-link chassis of the hypercar is inspired by motorsport design, complimented by additional features such as the PASM adaptive shock-absorber system and rear-axle steering. This comes equipped with an electro-mechanical adjustment system at each rear wheel. The adjustment is speed-sensitive and executes steering angles of up to three degrees in each direction. The rear axle can therefore be steered in the same direction as the front wheels or in opposition to them. At low speeds, the system steers the rear wheels in a direction opposite to that of the front wheels. This makes cornering even more direct, faster and more precise, and it reduces the turning circle. At higher speeds, the system steers the rear wheels in the same direction as the front wheels. The result is very secure and stable handling. 

Porsche 918 Spyder

Porsche 918 Spyder comes with four driving modes - E-Power, Hybrid, Sport Hybrid and Race Hybrid. In E-Power mode, the car runs on the electric power that reaches 33kms on full battery and attains 150km/hr of top speed. While in Hybrid mode, the car runs on the combination of electric motor and combustion engine to provide good fuel economy. The Sport Hybrid mode, combustion engine works with an additional inclusion of electric motors in the form of electric boosting. In the Race Hybrid mode, the emphasis is more on the combustion engine, provides maximum performance. 

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