The structure of a Formula E vehicle
The structure of a Formula E vehicle
Every year, Formula E changes, bringing with it a variety of improvements. Here is the key technology that contributes to the sport's amazing spectacle.
Formula E racing vehicles don't remain stationary for very long, and we're not just referring to their 174 mph top speed on city-center tracks. The exhilarating races, which most would agree are much less predictable than Formula One, serve as a technological testbed for the potential of electric automobiles.
This all-electric tournament is centered on innovation and competition. The chassis, battery, aerodynamics, tyres, and other components of each Formula E car are the same for all teams and drivers, for example. More teams can race and compete thanks to the development cost cap. However, it also makes way for innovation in other fields.
Here, we examine the technologies that support one of the world's most complex and thrilling races.
The style
The unique Gen3 chassis of the current Formula E car is frequently referred to as the "Batmobile." Its streamlined design and small rear X-wing increase downforce and make the car more responsive for drivers on the track. When pursuing another vehicle, it also aids in maintaining aerodynamic grip, and enclosed wheels lessen turbulence from the vehicle in front.
The net result is more chances to overtake and pursue rivals. The lightweight automobile, which is made of carbon fiber, aluminum, and kevlar, weighs only 800kg when the driver and batteries are added.
a battery
Since Formula E's beginning, the car's "fuel tank" has significantly increased. The new batteries have a higher voltage and charge more quickly than those in the first-generation Formula E cars (which drivers switched out for another mid-race), thus they last longer and provide more power.
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With a maximum power output of 250kW, today's cars can race at up to 280 kilometers per hour. They are McLaren Applied Technologies-designed and have a quick 0-100 km/h acceleration time of 2.8 seconds.
the system of
The motor, inverter, and software that permits the transfer of energy are all parts of the powertrain, which is everything that converts the energy from the battery into raw velocity. The efficiency of the powertrain is the major performance differential in Formula E, according to Vagg. Making the power electronics, the motor, and the gearbox as efficient as possible is given a lot of attention.
This is where the Formula E race of technology takes place. Teams create their own inverters to change the direct current (DC) electrical charge from the battery to an alternating current (AC). The wheels are then driven by the motor using the electricity. The motor is powered by silicon-carbide power electronics, which Vagg claims employs the best magnets available.
Its brakes
Because no car on the track starts a race with enough battery power to finish it, braking is one of the most important components of Formula E. During the race, the driver must use regenerative braking to regain energy. This leverages the 'wasted' energy needed to slow down an automobile to recharge its battery using essentially the same technology as hybrid road cars. Your lap time will be greatly impacted by where you do that on the circuit and how much energy you can recover on each corner, according to Vagg.
Due to their brake-by-wire operation, the rear brakes are particularly intriguing. The onboard electronic control unit balances the amount of braking the driver desires with the amount delivered by the rear regeneration system when the driver depresses the brake pedal. According to Vagg, a seamless integration of electronic and hydraulic braking will give the driver a more consistent, comfortable ride.
driving wheel
You shouldn't view the controls at the center of a Formula E cockpit if you thought your dashboard was complicated. The steering wheel has an LCD that shows a ton of information, including speed, range, brake temperature, and tire pressure.
Drivers can change the front and rear brake bias or the regenerative control while traveling at 280 km/h using buttons and paddles. Our preferred portion the Attack Mode button (ATK). This turbo-like feature gives drivers 35kW more power in specific track zones.
a halo
All FIA single-seater race cars are required to incorporate a head-protection system known as a Halo, which is intended to shield drivers from collisions. It is reported to be made of high-strength titanium and able to resist the weight of 17 Formula E cars piled on top of it.
Although the design has received criticism for being unsightly and cumbersome in Formula One, it fits more naturally into the dynamic design of these electric racers. A strip of LEDs that glows magenta or blue is also included in the Formula E halo to alert spectators when a car is in Attack Mode.
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