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Lotus Evija shown in John Player Special livery at Goodwood SpeedWeek

Goodwood SpeedWeek is here, and Lotus is using the event to highlight the upcoming Evija electric hypercar. Lotus is calling this the car’s “public dynamic debut,” which is relatively true, though the lack of a public audience at Goodwood does put a bit of a damper on the idea. Regardless, the livery used to wrap the Evija is what truly caught our attention. For those familiar with Lotus racing liveries of the past, youÂ’ll immediately recognize it as a modern take on the John Player Special livery. Lotus even photographed the Evija in this livery sitting next to a few old Formula 1 cars wearing the original John Player Special digs. Black and gold just looks proper on a Lotus racecar, and it looks absolutely superb on the Evija, too. Since this is technically a dynamic debut, Lotus also gave us a short video that you can check out below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The most intriguing part is the audio. Those electric motors are loud. It canÂ’t come close to matching the yowl of a high output gasoline engine, but the Evija is clearly going to make its own dramatic, electric noise. ThatÂ’s all well and proper, because extra theater is what electric cars typically lack. In an adjacent news brief, Lotus detailed some of the things it did to save weight. Lotus believes that “Colin Chapman would agree the Evija is 100% a true Lotus.” To make it so, Lotus says the carbon fiber monocoque is extremely light, weighing in at just 284 pounds, contributing to making it the lightest electric hypercar when it comes out (not as though thereÂ’s much competition).  Using holes and free space contributed to the lightweighting efforts, too. The venturi tunnels through each rear haunch both save weight and produce downforce. The center console design and floating dashboard leave tons of empty space behind where weight would accumulate otherwise. LotusÂ’ crossbeam design for the dash helps it serve as a structural member and also houses the interior ventilation system, combining two elements into one and saving weight. Lotus says youÂ’ll be able to see the Evija attack the Supercar Run on SpeedWeek, where it will attempt to set a fast lap time against many other new supercars and hypercars. Related Video:

This 450-hp electric Lotus Evora is powered by Tesla and Chevrolet

When someone mentions an electric Lotus, the first thing that comes to mind is the Tesla Roadster, the California-based automaker's first vehicle. That car started life as an Elise before being heavily massaged and adapted by Tesla's engineers. In a similar spirit, the people at Onpoint Dyno are close to finishing Blue Lightning, a track-ready all-electric Lotus Evora. Blue Lightning uses a Tesla drive unit and a Chevrolet Volt battery pack, both mounted in the middle in place of the Evora's 3.5-liter Toyota V6. It's putting down about 450 horsepower at the wheels. The car was built for time attack sessions, so power is fed through custom forged wheels and super sticky Pirelli PZero Trofeo R tires, the same ones found on the last Chevrolet Camaro Z/28. There is a custom digital instrument cluster in place of the Lotus gauges. There's also a regen paddle on the left side of the steering wheel. With a full charge, Blue Lighting should go about 120 miles. While the car runs under its own power, it's only about 90 percent complete. It has no power steering, no firewall in between the seats and the motor and battery pack, no A/C, and a large hole where the shift lever used to be. Other final touches include fine-tuning the brakes and suspension. There is also a custom rear bumper coming that should make it look more like the new Lotus Evora 400. Onpoint Dyno expects the car to hit the track in the next month or so. Related Video:

This is how ground effects work in a nutshell

There are two ways to generate downforce. One is with all manner of wings and spoilers on the surface of the vehicle. The other is with ground effects. One you can clearly see, the other remains something of a hidden mystery. Fortunately, the good folks at Lotus and Goodwood are here to dumb it down for us non-engineer types. It's called Bernoulli's Principle, named after Swiss physicist Daniel Bernoulli who literally wrote the book on the subject way back in the 1700s. Countless engineers have spent their careers focused on its study and application, but the crux of the matter is that, as the speed of air (or other "fluid") increases, pressure decreases. Play with the air's increasing speed and decreasing pressure just right and you can generate downforce underneath the body of a car without significantly increasing drag as you would with surface spoilers. For evidence of how Bernoulli's Principle applies in practical terms, just look at the last Ferrari to pack a turbocharged V8 in the middle and the latest one. The F40 had a giant wing on the back, where the 488 GTB has none. But because the 488 uses underbody aerodynamics (or "ground effects"), it generates significantly more downforce than the winged F40 ever could, and at lower speeds. Ferrari, however, was not the first outfit to harness the power of ground effects. Lotus did with the legendary 79 that Mario Andretti drove to the world championship back in 1978. That was the genius of Colin Chapman, and to explain how it all works in layman's terms, our friends over at Goodwood Road & Racing brought in Colin's son Clive Chapman, head of Classic Team Lotus, to put together the video above. Related Video: