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Jaguar C-X75

British concept car

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In May 2011 Jaguar announced a limited production of the C-X75 from 2013 to 2015, with a compact, forced induction petrol engine combined with electric motors instead of the micro gas turbines in the concept car. A maximum of 250 cars were planned to be built in partnership with Williams Advanced Engineering. The production version was expected to have an all-electric range of 50 km (31 miles). In December 2012, the company announced the cancellation of production due to the Great Recession. Five developmental prototypes were produced in the production car specifications in 2013. The car was featured in the 2015 film Spectre, the twenty-fourth James Bond film in which seven cars were supplied to the filmmakers.

Engine and performance

In terms of performance, Jaguar envisioned a goal of their future sports car reaching 330 km/h (205 mph) and accelerating from 0 to 100 km/h (0 to 62 mph) in 2.9 seconds and 80 to 145 km/h (50 to 90 mph) in 2.3 seconds. It is powered by four 145 kW (194 hp) electric motors – one for each wheel – which have a total of 780 hp (582 kW) and a total torque output of 1,600 N⋅m (1,180 lbf⋅ft). Inherent in the drivetrain is the ability to independently drive each wheel across the full speed range, known as Torque Vectoring. Each motor weighs 50 kg (110 lb).

The micro gas turbines from Bladon Jets generate enough electricity to extend the range of the car to 900 km (559 miles) while producing 28 grams of CO2 per kilometre on the EU test cycle. While running solely on battery power, the C-X75 has an all-electric range of 110 km (68 miles). Among other advantages, the micro turbines used in the C-X75 can be run on a range of fuels including diesel, biofuels, compressed natural gas and liquid petroleum gas. The 15 kWh lithium-ion battery pack weighs 185 kg (408 lb). Jaguar estimated an average carbon emission of 28 g/km on European test cycle, however, the carbon emission is around 150 g/km if the turbines are running.

Jaguar also focused on the aerodynamics in order to improve performance. For example, the carbon-fibre rear diffuser that guides airflow from under the car creates down-force, and includes an active aerofoil that is lowered automatically as speed increases, creating over 200 kg (440 lb) of downforce at 321 km/h (199 mph). Moreover, the C-X75 features an extruded and bonded, aerospace-inspired, aluminium chassis, saving weight and improving sustainability and performance.

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