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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.

Watch Evo pick its 2015 Car of the Year in this epic video

With just a few days left in 2015, it's the perfect time to check out Evo's annual Car of the Year test to determine the greatest performance vehicle of the last 12 months. The writers' picks for the 11 finalists spanned a breadth of engaging models and included: Peugeot 208 GTi by Peugeot Sport, Lamborghini Aventador SV, Seat Leon Cupra Sub8, McLaren 675LT, Porsche 991 GT3 RS, Porsche Cayman GT4, Honda Civic Type R, Ferrari 488 GTB, Chevrolet Camaro Z/28, Lotus Evora 400, and Mercedes-AMG GT S. For the venue to test the mettle of these performance machines, Evo stuck close to home this year and visited the twisting roads at the beautiful north coast of Scotland. Racing brothers Marino and Dario Franchitti also came along for the ride to provide two more voices in the competitive challenge to determine a winner. Evo's video explains why each model deserves to be among such rarified company but doesn't gloss over their faults either. There can be only one winner, though. We don't want to spoil it, so check out the clip for magnificent views of these performance machines through the Scottish countryside.

Lotus electric sedan due in 2023 to take on Porsche Taycan

Lotus took a massive step towards the mainstream when it released the Eletre (pictured above), an electric crossover developed with volume in mind. It will continue walking in this direction by launching its first sedan, and a recent report suggests the model will be aimed at the Porsche Taycan. Known as the Type 133 internally, and referred to as a four-door coupe, the sedan will join the firm's portfolio of so-called "lifestyle" EVs. It will borrow some styling cues from the Eletre (pictured above) but it won't be merely a scaled-down crossover. "There has to be some continuity and family identity," explained Peter Horbury, Lotus' senior vice president of design, in an interview with British magazine Autocar. "Families aren't made up entirely of triplets or quadruplets. Every member of a family can have their own character," he added. While the Type 133 — a name that won't make the leap to production; the Eletre was called Type 132 — won't be as basic as, say, an Elise, it will be positioned as a driver's car. Gavan Kershaw, Lotus' director of attributes and product integrity, told Autocar that the engineering team benchmarked the Porsche Taycan during the Eletre's development process and the lessons learned will be applied to the Type 133. Like its taller sibling, the sedan should feature a long list of technology features, including an air suspension system and rear-wheel steering. Powertrain specifications haven't been released yet, but the fact that the Eletre and the Type 133 will be closely related underneath the sheet metal gives us some idea of what to expect. Power for the first Lotus crossover comes from a pair of electric motors that zap the four wheels with around 600 horsepower. The battery pack's capacity checks in at over 100 kilowatt-hours, and an 800-volt electrical architecture enables fast-charging technology. Lotus pegs the Eletre's maximum driving range at 373 miles on the testing cycle used in Europe. It's reasonable to assume that the sedan, which should be lighter and more aerodynamic, should be capable of going further on a charge. Lotus is expected to unveil the Type 133 in 2023. The model will be built alongside the Eletre in Wuhan, China. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.