Sci-tech

Porsche 919 Hybrid Evo Is Faster Than Formula One

Porsche 919 Hybrid Evo Is Faster Than Formula One”

It's the age-old question posed by many a motorsports fan: which race series has the fastest auto outright? Some are highly restrictive while others offer a lot of freedom within defined parameters.

Andreas Seidl, who was has been responsible for the Le Man's Prototype 919 Hybrid project, will also be responsible for the technical development and execution of the Formula E programme at Porsche. "Having developed, improved and raced the auto for four years, the guys had a very close relationship to it". Porsche has found out, sending its semi-retired 919 Hybrid LMP1 endurance racer around Spa for one last, unrestricted lap. Powered by a 2.0-liter V4 engine producing 720 hp instead of around 500 in WEC guise, Jani's auto hit 223 miles per hour on the way to a lap record. All of this means that the 919 Evo's lap was 0.783s quicker than the Lewis Hamilton's record lap of 1:42.553, which he set with his Mercedes F1 W07 Hybrid in 2017.

According to Porsche, the circuit record was smashed by the "evo" version of the 919 with the racing team's works driver Neel Jani behind the wheel. Today's lap was twelve seconds faster compared to our WEC pole position from last year!' Porsche works driver Neel Jani was installed behind the wheel, and proceeded to lap the 4.35 mile Belgian Grand Prix Circuit in the Ardennes mountains in 1:41.770 minutes.

Far from it. Enter the 919 Evo - a lighter, more powerful 919 Hybrid unshackled from the WEC's many rules and regulations.

"It was kind of an engineer's dream come true for us", said Stephen Mitas, Chief Race Engineer of the LMP1. "We all knew, no matter how successful the 919 Hybrid was, it could never show its full abilities", he said. The Spa Francorchamps time attack was the first stop in what Porsche describes as a "919 Tribute Tour" that will have the race vehicle hit the 24 Hours of Nurburgring track, the Earl of March's driveway at Goodwood, and the circuits at Brands Hatch and Laguna Seca before it is parked up as a living museum piece. This time we were not limited by regulations but resources.

"The entire hardware of the powertrain remains untouched", says Porsche, but now it's binned the WEC-mandated fuel-flow meter that effectively limited the 919 to 500bhp, power from the 2.0-litre turbocharged V4 internal combustion engine has leapt up to 720hp.

The amount of energy from the two recovery systems that could be used in Spa 2017 was 6.37 megajoule. The new larger front diffuser now balances the new and very large rear wing, both of which have actively controlled drag reduction systems. The underfloor turning vanes have been revised, and the fixed-height side skirts are new for 2018.

The world's single racing series for electric cars already has the support and participation of Audi, Renault, and Jaguar.

Porsche engineers also went a bit over the top when it came to enhancing the aerodynamics of the vehicle. Michelin developed new compounds to deliver the necessary grip with no compromise on safety.

As for the driver, they benefit from a point system not unlike the one used in Formula 1. The removal of things like air-conditioning, lights, the windscreen wiper, and the pneumatic jack system meant that the dry weight of the auto was reduced by 39 kg to just 849 kg. Porsche says this will help the automaker to find bespoke solutions for key technologies including the electric motor, inverter, brake-by-wire system; as well as the transmission, differential, monocoque, suspension components attached to the rear-axle as well as the cooling system for the ECU.



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