Formula E Cars Race for AllElectric Glory IEEE Spectrum

12 Мар 2014 | Author: | Комментарии к записи Formula E Cars Race for AllElectric Glory IEEE Spectrum отключены
BMW 5er Electric Cars

High-wattage EV racing will to cities around the world

Brian Stauffer

Imagine 20 single-seat racing cars, up in front of grand-stands and TV cameras. them streaming past of the world’s best-known urban the Brandenburg Gate. Big Ben, South Beach. Consider the acceleration, the heart-stopping braking, the overtaking maneuvers.

Think of the of engines and the tang of fuel at the of your nose.

Now lose the and the tang. This is Formula E, the automobile racing series completely on electric cars.

in September, Formula E will run on circuits in 10 cities around the showcasing the capabilities of electric and helping to burnish their but rather dull” image, as Drayson puts it. He’s the consultant to series promoter E Holdings (FEH) and the team of Drayson Racing. the British that was the first to sign up for the “For me, the most important is that it can make technology cool and exciting,” he says.

And that is why the races will be on city street circuits, than at dedicated racetracks, FEH chief executive Alejandro “Electric cars are for cities; their natural habitat, if you he says. “It’s where the makes the most sense, and where we need to show off.”

Photo: FIA The green of this year’s Formula E all come from McLaren

Half the point of Formula E is to the development of electric drivetrains so teams will eventually be to choose any configuration and design of motors, batteries, and charging But to get the series moving, this all teams must use the same developed by Spark Racing in Burgundy, France.

The car has a monocoque and bodywork from Dallara in Parma, Italy; lithium-ion from Williams Advanced near London; and a four-speed gearbox (common in race it lets you shift gears a clutch) from Hewland near Oxford, England.

That gearbox will power to the wheels via an electronic unit from McLaren the British supercar specialist.

In it’s the same system supplies to all the cars in the U.S. series, although here it run different software. The electrical systems run at 800 volts, generating amounts of heat.

It is channeled from the cars via water and lightweight heat sinks, Peter van Manen, managing of McLaren Electronic Systems.

Celia Gorman

A Formula E will last about an with 10 teams each two drivers. The cars will be allowed to use no more than 134 of power (180 horsepower). A number of times in the race, they will be permitted to to 200 kW, reaching speeds of up to 220 kilometers per (137 miles per hour).

Photo: FIA In the first season of E, all teams will drive Spark-Renault SRT_01E cars. The comes from Italy’s the systems integration from the powertrain from McLaren and the from Michelin.

The cars race until their are exhaustedabout 20 minutes. And then see by far the strangest thing about race: Rather than out the batteries, the drivers will cars. Each driver get out, run 100 meters down the pit to the team’s garage, jump the fully charged spare car and for another 20 minutes while the car recharges.

Then the driver make another pit stop, run to the car, and complete the race. management will therefore be a skill, as it was in the early days of

Fun Facts: Ordinary car noise: 70

bus: 90 dB;

Formula E: 80 dB;

Formula 150 dB

Inductive battery charging an air gap, via coils embedded in the would eliminate the need for car and allow for lighter batteries. FEH has plans to use such a system, by HaloIPT, a New Zealand company two years ago by the cellphone firm This year, though, the charging will be static, just one pad on the ground, and it will be only for a safety car, is sent out in front of the other to limit their speed.

rule for this year Each car will run on a single motor developed from the McLaren designed for its latest car, the P1 hybrid. Weighing 26 kilograms, the motor spins at 17 500 similar to the revs of a Formula One V8, and 200 kW. That gives a power-to-weight of 7.7 watts per gram, the highest of any power plant in the world, van Manen.

And although Formula E cars are than Formula One cars, achieve far greater acceleration of the instant availability of full with electric propulsion. The have also been to generate current for the battery braking.

The series will in Beijing on 20 September and continue on to Malaysia; Hong Kong; Del Este, Uruguay; and Buenos before reaching Los Angeles on 14 2015 and Miami on 18 April. comes Monte Carlo, and London, where the series finish on 27 June.

So will E be the spectacle that the organizers for? Well, shutting the center of a city does to attract attention. But one complaint is the experience of motor sports is so up with that sensory of noise and odor that the of an electric motor will it sterile.

Still, that hasn’t audiences from thrilling to the acceleration of electric motorcycle which has had its own TTXGP racing since 2009.

Besides, cars have a noise all own. It’s the sound of the

This article originally in print as “The Fast and the E.”

About the Author

Nathan is the features editor of The . in London.

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