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Lotus Evora roadster to follow 400 coupe to US market

Lotus is in the midst of resurgence, and that includes a renewed assault on the US market. The new Evora 400 is coming to America, and though the new 3-Eleven won't be certified to drive on American roads, the company has confirmed that it will be offered here for use on track. But that's not all. According to Automotive News, Lotus is preparing to follow up on the aforementioned Evora 400 coupe with an additional roadster variant. Instead of a folding roof mechanism, the open-top Evora will incorporate two carbon-fiber roof panels able to stow behind the front seats. Otherwise it's expected to be mechanically identical to the coupe, with a 3.5-liter supercharged V6 packing 400 horsepower and a series of other enhancements over the preceding Evora S. Lotus was forced to withdraw the Evora – the last model it offered in the US – from the American market last year after it no longer complied with federal regulations. Bringing the new Evora 400, and its upcoming roadster variant, to the US will necessitate fitting it with a new smart airbag – something which Lotus confirmed to Autoblog it is preparing to do. According to spokesman Alastair Florance, "the Evora 400 will arrive in the market as a 17MY and will be fully compliant with FMVSS 208, including the smart air bag element." The coupe is expected to arrive here in December, with the yet-to-be-unveiled roadster to follow six months later. The news confirms what we heard earlier about the company's future plans. Those also include a new SUV being designed principally for the Chinese market, and an even more radical 4-Eleven to follow at some point in the future. Related Video:

Lotus proves it's alive and well by releasing its most powerful road-going car

The future hasn't always looked bright for Lotus, but the British company is skating on much thicker ice under Geely ownership now than it was in the middle of the 2010s. It continues to claw back from the brink by releasing a GT-badged evolution of the Evora that delivers a meaner punch than its predecessors, and comes with a list of options that nearly rivals Porsche's. The GT replaces the Sport 410 and the 400 variants of the Evora. Presented as the most powerful road-going Lotus ever sold in the United States, it's powered by a 3.5-liter V6 engine supercharged to 416 horsepower at 7,000 rpm and 317 pound-feet of torque at 3,500 rpm. Those figures allow it to hit 60 mph from a stop in a brisk 3.8 seconds, and reach a 188-mph top speed. It's still a little bit slower than the Evora GT430 released in 2017, but Lotus kept that model away from American roads. The Evora GT comes standard with a six-speed manual transmission. Enthusiasts not interested in using a clutch can select an automatic gearbox that they can leave in drive or shift manually with aluminum paddles mounted on the steering wheel. Torque goes up to 332 pound-feet when the six shifts through the optional automatic, but the Evora GT posts the same performance figures regardless of how many pedals are in its footwell. Lotus makes the Evora GT using carbon fiber to keep weight in check. Buyers can honor company founder Colin Chapman by adding lightness if they're willing to add dollars, too. Priced at $10,000, the Carbon Pack includes a roof panel, a tailgate, a front access panel, and a diffuser all made with carbon fiber. Ticking that box shaves 50 pounds; put another way, Lotus charges $200 per pound.  Selecting the $8,000 titanium exhaust removes another 22 pounds. The Evora GT tips the scale at 3,104 pounds in its lightest configuration, but getting there requires paying for a Volkswagen Golf's worth of options. At least downforce comes standard, and the GT has more of it than its predecessors. The new GT designation doesn't bring significant exterior styling changes. It's the same story inside, where Lotus continues to offer the model as a strict two-seater, or with a pair of rear seats big enough for very, very small occupants. Every GT comes standard with a 7-inch touchscreen compatible with both Android Auto and Apple CarPlay. On sale now, the 2020 Lotus Evora GT starts at $96,950. Deliveries will begin by the end of 2019.

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: