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Lotus Evija's wild aero setup is detailed by chief aerodynamicist

The Lotus Evija is a car of firsts for Lotus. To that end, the company has spent a lot of time talking over the details. Today, we get to learn about the wild shape’s aerodynamics and what Lotus engineers were trying to accomplish. Richard Hill, chief aerodynamicist for Lotus takes a dive into all the details, and the video at the top of this post offers a great visual. “Most cars have to punch a hole in the air, to get through using brute force, but the Evija is unique because of its porosity,” Hill says. “The car literally ‘breathesÂ’ the air. The front acts like a mouth; it ingests the air, sucks every kilogram of value from it – in this case, the downforce – then exhales it through that dramatic rear end.” We can see what Hill means as we look at the Evija in photos. Instead of a regular front bumper, this one has pass-throughs that direct the air back into the side of the car. Lotus hasnÂ’t released the all-important coefficient of drag figure yet, but we have to imagine itÂ’s very low. The front splitter (below, left) is responsible for a few different things. The opening in the center takes in air to cool the battery pack that is mounted behind the seats. Then, the outer section of the splitter channels the air to the “e-axle” for cooling of the electrical components. And finally, it also produces downforce.  There are a couple more tunnels for air to pass through in the rear. These “holes” are likely the most distinctive design feature, especially when accentuated with the LED taillights. Hill says that these are also fully functional and help to reduce drag. “They feed the wake rearward to help cut drag,” Hill says. “Think of it this way; without them the Evija would be like a parachute but with them itÂ’s a butterfly net, and they make the car unique in the hypercar world.” On top of all these porous body structures, there are pieces that move. The rear wing can elevate upward from its flush body position and deploy into clean air above, creating more downforce. And then thereÂ’s an F1-style drag reduction system. This uses a horizontal plane that deploys from the car to make it slipperier through air. The final big piece of this puzzle is the underbody sculpting that directs air into the massive rear diffuser. This causes an upwash of air, in turn creating a massive amount of downforce. Hill sums it up quite nicely.

F1 just got a whole lot quieter, and some people are really unhappy about it

The scene is the front straight of the Albert Park Circuit at the Australian Formula One Grand Prix, and what you see on track on either side of the gentleman wearing the orange hat is a Mercedes AMG Petronas being followed by a Lotus. The first major clue, as should be obvious by the nose of the Mercedes, is that this scene was captured last year. The other major clue in the photo is the gentleman in the orange hat: he's wearing earmuffs to silence the noise. We count at least four people wearing them, and that's before the camera pans. Some F1 fans have been pleased with the sound of the new 1.6-liter V6 engines, but it appears that the majority are not; the organizers of the Australian Grand Prix are threatening to sue because of a "lack of sexiness," and F1 impresario Bernie Ecclestone has declared he was "horrified by the lack of [noise]." YouTube user krookzeh has posted a video comparing last year's 2.4-liter V8 cars on the first lap at Albert Park with the new turbo V6 cars on the first lap this year. You can compare the sounds and the number of earmuffs in the short clip below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. News Source: ESPN F1 [1], [2], krookzeh via YouTube Motorsports Lotus Racing Vehicles Videos F1 australian grand prix

Lotus shows how drivers will be able to change the Evija's behavior

Lotus published footage of the Evija, its first series-produced electric car, undergoing shakedown testing on its Hethel, England, track. It also detailed the model's different driving modes, and the effect they'll have on the powertrain. Electric technology is heavy, and Lotus is known for making ultra-light cars, so engineers walked a fine line as they developed the Evija. Gavan Kershwa, the brand's director of vehicle attributes, explained his team managed to give the 2,000-horsepower coupe the handling enthusiasts expect from a mid-engined model by placing the lithium-ion battery pack, which is the heaviest part of the car, directly behind the passenger compartment. Matt Windle, the company's research and development boss, told Autoblog composite materials and clever packaging help offset the battery's weight. The part the steering column is mounted to is also used as a ducting for the climate control system, for example. All told, the Evija tips the scale at approximately 3,700 pounds. Enthusiasts will have five driving modes, named Range, City, Tour, Sport and Track, at their fingertips. Range mode caps the car's output at 1,000 horsepower and 590 pound-feet of torque and makes the Evija rear-wheel drive to maximize driving range. City makes the Evija easier to drive around town, while Tour lets the driver choose between rear- and all-wheel drive while raising the powertrain's output to 1,400 horsepower. Sport puts 1,700 horsepower and 1,254 pound-feet of torque under the driver's right foot, and it tweaks the various stability control systems to improve traction. Finally, Track unleashes the car's full potential while dialing in the highest level of torque vectoring. It also changes the chassis settings, according to the company. Lotus will continue fine-tuning the Evija in the coming months, and production is scheduled to start in 2021. Though it was delayed by the ongoing coronavirus pandemic. 130 units are planned, and Autoblog can confirm the first year of production is sold out — but there are still build slots available, contrary to what some sources are reporting. Looking ahead, Windle told us the Evija is a trailblazer whose design language and technology will permeate future models.  Related Video: Green Lotus Coupe Electric Performance