What is it? The 918 RSR is a two-seat, mid-engine coupe. Its powered by an evolution of the hybrid powertrain found in the 911 GT3 R racecar and follows the design of the 918 Spyder concept car.
The car uses a direct-injection, mid-mounted V8 engine producing 563 hp, with two electric motors on the front wheels that each produce 75kW, for a total of 767 peak hp. The additional 150 kW is generated during braking, and it is stored in a flywheel accumulator, which is an electric motor. A racing six-speed gearbox is integrated into the egine, and shifts via paddle shifters behind the steering wheel.
What is new or notable? The front wheels are powered by the electric motors and can receive variable levels of torque. Under braking the system reverses and the electric motors become generators. The driver can use the stored energy at the push of a button, for up to eight seconds.
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