Audi Reveals the Newly Developed E-Tron FE05 for the Audi Sport ABT Schaeffler Formula E Team

This represents the greatest Formula E innovation until now: For the first time since the series was launched in 2014, drivers will only use one car per race to tackle the new 2018/2019 season. Since the batteries now can last the entire 45-minute race distance, the necessary car change during the race has been eliminated. This is a testimony to how motorsport – especially Formula E – is advancing innovations and technology.

With the Audi e-tron FE05, Audi has prepared meticulously for the new technical and strategic challenges. This is particularly true of the key component at the heart of the Audi e-tron FE05: the drivetrain, which consists of the motor, inverter, gearbox, parts of the rear suspension, as well as the corresponding software. While the rest of the car is identical for all teams, manufacturers get the opportunity to showcase their technical expertise with the drivetrain. In the fourth season of the all-electric race series, which concluded with Audi Sport ABT Schaeffler winning the teams’ title in New York mid-July, the Audi e-tron FE04 very often proved to be the most efficient car. Its successor is an evolution of this winning model.

The motor generator unit, dubbed the Audi Schaeffler MGU03, was jointly developed by Audi and its technology partner Schaeffler. Engineers put particular emphasis on making the package even more efficient and further increasing its level of effectiveness. “We retained the basic concept with one gear and at the same time refined the details and manufactured all of the parts,” says Tristan Summerscale, Formula E Project Leader at Audi. 95 per cent of the drivetrain parts are new and the engineers were able to shave ten per cent off the weight.

Summerscale and his team began developing the Audi e-tron FE05 as early as mid-2017, even before the start of last season. By the end of July 2018, the Fédération Internationale de l’Automobile (FIA) had homologated the car. Changes are no longer permitted, only the software may be improved during the season. A joint test with all of the competitors is scheduled for mid-October in Valencia (Spain). Afterwards, the race cars and equipment will be transported to Saudi Arabia.

For the fifth season of Formula E, the motor is permitted to produce up to 250 kW (340 hp) in qualifying. In the race, the output is capped at 200 kW (272 hp). New are the so-called activation zones: When drivers pass through this zone on the racetrack, they can briefly access a higher power mode of 225 kW (306 hp). Formula E fans can still support their favourite driver by casting their vote online via “FanBoost”, which gives drivers a temporary power boost of up to 250 kW (340 hp).

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All Formula E teams draw electricity from identical McLaren batteries weighing 374 kilograms. The lithium-ion battery is mounted between the driver’s seat and the powertrain. It has a capacity of 52 kWh and can be charged within 45 minutes. An entirely new development for the fifth season is the “Brake-by-Wire” system. Brake control and transmission to the rear axle are decoupled from each other and electronically controlled. The brake balance is therefore always optimally distributed and recuperation becomes even more efficient.

Like in Formula 1, the driver sits in a monocoque made of carbon-fibre, developed to comply with FIA safety standards. CFRP crash structures at the front, rear and sides provide maximum safety. Also new – analogue to Formula 1 – is the halo system above the cockpit which offers additional protection for the drivers’ heads. The minimum weight of a Formula E race car is 900 kilograms (including the driver). The electric race car accelerates from 0 to 100 km/h in 3.1 seconds. Top speed is achieved at around 240 km/h. Of particular note: the new generation of the Audi e-tron FE05 comes without a rear wing – a rarity in motorsport. Instead, downforce is generated by a large diffuser at the rear of the race car.

After the first test drives, fans compared the futuristic look of the car to a “Batmobile”, “Star Wars” and a “spaceship”. “When I head out onto the racetrack with the other cars, I feel like I’m in a science fiction movie,” says Daniel Abt. “Compared to its predecessor, the new model has a considerably more aggressive design.”

Thirteen races in 12 major cities are planned for the fifth season of the electric race series. Between the opening round in Ad Diriyah and the double-header finale in New York in mid-July 2019, races will be held in Marrakesh (Morocco), Mexico City (Mexico), Hong Kong (China), Rome (Italy), Paris (France), Monaco and Berlin (Germany). Each race is run over 45 minutes plus one lap, with most of the races held on temporary street circuits in city centres.

 In addition to the Audi works team, the British squad Virgin Racing fields Audi e-tron FE05 race cars for the first time in the 2018/2019 season. This partnership is new for the fifth season, with a healthy competition between the two teams intended to increase the performance level continually.

 The Audi Sport ABT Schaeffler team is a founding member of Formula E with Daniel Abt and Lucas di Grassi competing since the very first race. The Brazilian clinched the title in the drivers’ championship in the third season (2016/2017). The 2017/2018 season concluded with di Grassi as the runner-up and Abt in fifth place.

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And as you can see in the video, the drivers are delighted about it. Are you?