Rolls Royce Phantom 102EX (electric) to feature XTRAC transmission

Geneva – The Rolls-Royce 102EX – the Phantom Experimental Electric – unveiled at the Geneva Motor Show this week features a transmission system unique to this vehicle, which has been designed and manufactured by the high performance driveline specialist Xtrac.

Renowned for supplying state-of-the-art and often highly sophisticated motorsport transmissions to Formula 1, Le Mans and other high performance race series, the rear wheel drive system for the Phantom Experimental Electric applies Xtrac’s meticulous standards of design engineering and precision manufacturing to this important market evaluation project. The transmission technology specialist has designed the transmission to harness the prodigious amounts of torque delivered by twin electric motors and to do so in a quiet and refined manner befitting a Rolls-Royce.

The exclusive prototype transmission combines the output from the two electric motors to drive the super luxury car via a rear mounted differential – the final part of an electric powertrain all neatly housed at the rear of the vehicle. The electric motors are mounted on either side of the transmission, driving a series of constant mesh gears with an overall ratio of approximately 6-to-1.  The transmission features a lightweight aluminium alloy casing and the high strength helically ground gears were specifically designed for refinement and reliability.




Courtesy of Newspress

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