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Leaked patent images show forthcoming Lotus SUV

Upon discovering leaked patent images of a Lotus SUV, the proper response is, "It's about time." Not because we've been insomniac with anticipation of a people-hauler from Hethel, but because we've had at least three years to prepare. Make that ten years if you start the clock from when Lotus blitzed the 2006 Paris Motor Show with the seven-seat APX concept in 2006. The APX first brandished the company's Versatile Vehicle Architecture (VVA). An evolution of that VVA - which can withstand a 3,520-pound curb weight - still supports the Evora. In 2015, when Malaysian carmaker Proton owned Lotus, Lotus CEO Mark Gales announced an SUV already in development that would be "the fastest and most agile" of its kind, and target the Porsche Macan. Now, with a new owner, better sales, and much bigger profits, we get a clearer view of what this slow-cooked, swoopy Lotus van might bring. The front clip, center roof channel, what look like bulging rear wheel arches, and the taillight treatment establish Lotus ties. The side view stands as notable for its rear window treatment and high-altitude fuel filler cap, both design elements echoing the 1974 Lotus Elite and foreshadowed by Gales two years ago. Tech rumors posit a Toyota-sourced four-cylinder engine and a 1,600-kilogram curb weight objective. That's 3,520 pounds in US speak, yet with a new car range in the works and more Geely-funded tools to choose from, the SUV won't use the aged Versatile Vehicle Architecture. If Lotus succeeds at the scales, the SUV would subtract roughly 1,000 pounds from a Porsche Macan. As Gales told Top Gear earlier this month, "[W]hat an Evora is to a 911 our SUV needs to be to a Cayenne." Intended for global export, Lotus plans to manufacture the SUV in China, and we're likely four years away from an on-sale date. Although we're promised the family offering will handle "like nothing else," it won't be a sports car, and only Lotus sports cars are welcome at Hethel. Related Video:

Lotus rolls out factory delivery program for Elise, Exige and Evora

"We are delighted to open our doors to customers so that they can collect their new car from us direct." - Jean-Marc Gales
Buying a Lotus sports car now comes with an added perk - you get a peek behind the curtain at the famous factory in Hethel, England.

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: