Infiniti Project Black S Concept revealed with hybrid powertrain

05 Octobre, 2018, 03:42 | Auteur: Adelaide Bullion
  • Infiniti Project Black S Concept revealed with hybrid powertrain

Even more high-tech than before, the new prototype employs technology trickled down from the Renault Sport Formula One Team. The carbonfibre rear wing, for example, is similar in profile to the one the F1 team fits to its cars for the Italian Grand Prix at Monza and will provide the Black S with stability on high-speed straights and vital downforce when cornering.

The gas engine of the auto is the VR30 twin-turbo V6 engine out of the Q60 Red Sport making 400hp. It will explore blending of Renault's dual-hybrid powertrain technology from Formula One that is going to be applied on road-going vehicle.

Infiniti calls the design a "dual-hybrid" and declares it a world first.

One recovers energy through a form of regenerative braking, two are hooked up to the turbochargers to generate energy from the hot exhaust gases driving the turbines.

Each of the turbochargers features one motor-generator (MGU-H), with the the third motor-generator mated to the engine (MGU-K).

Sending energy to electric motors in the drivetrain itself.

Infiniti says the combination propels the Project Black S coupe to 62 miles per hour in less than 4 seconds. The generated electricity is used to spool up the e-turbos and powers an electric motor that is integrated into the rear axle. It's not just about eye-watering acceleration and top speeds, according to Infiniti - it's about "sustainable" power that won't decline quite so sharply on the track.

All in all, the Project Black S makes 420 kW (571 PS, 563 hp), enough to propel in from 0 to 100 km/h (62 mph) in less than four seconds.

Infiniti Project Black S Concept revealed with hybrid powertrain

Infiniti says the Black S concept can operate in three modes, Road, Quali and Race. "Road" mode involves a relaxed, non-invasive energy recovery that doesn't hinder smooth, seamless roadway commuting, utilizing battery power to help increase the powertrain's overall efficiency and deliver accelerative bursts during common maneuvers like highway entry and overtaking. All that energy is eventually used to boost performance, but could also be used to let the powertrain operate in zero-emissions mode.

INFINITI has unveiled a prototype sports auto that uses dual hybrid technology co-developed with the Renault Formula One team. Such a model would offer Infiniti a direct rival to several German high-performance models like BMW's M4 and Audi's RS5 coupes.

"Infiniti's experience of working with homologated hybrid powertrain technology was instrumental in the co-development of our dual-hybrid system", he said. And as you'd expect, the entire auto is finished with a massive diffuser rear-wing. We're told the wing's aero profile is similar to the low downforce setting used by Renault's F1 auto at high-speed circuits like Monza.

The vehicle was also given a larger grille and a rear wing to improve the aerodynamics of the model. However, even with carbon-fiber hood, fenders, roof panels, trunk lid and seats, the thing still tips the scales at 3,915 pounds. Power for and from these motor-generators is stored in a 4.4-kWh lithium-ion battery pack. For comparison, the Q60 Red Sport 400 with rear-wheel drive weighs in at 3,862 pounds. It's the first Infiniti to offer this complete by-wire set-up.

Infiniti says that future development work moving into 2019 will focus on track testing and tuning. The company hints at the possibility of a production variant, saying it sees room for a model level above the Red Sport 400, offering maximum power and performance, an uprated suspension and unique design elements.

Infiniti will continue developing the vehicle and there's a chance we could eventually see a road-going version of the concept.

Aside from the engine changes, the new auto is lighter and has additional bodywork to improve aerodynamic performance. It believes that it can apply some of its learnings from the project toward cutting the time it takes to bring production cars to market.

Despite being first revealed at the 2017 Geneva Motor Show, Infiniti has been quite coy concerning the details of its F1-inspired hybrid super coupe, the Q60 Black S. That ends at this year's Paris Motor Show, where the company has finally spilled specific information about the auto.

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