2011 Lotus Evora S 2+2 ~premium Package~tech Package~rear Camera~park Sensors on 2040-cars

Auto blog

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:

Evora GT430 revealed, Lotus' most powerful road car ever

A new Lotus grows in the English garden of lightness and speed. Lotus bills the Evora GT430 as the company's fastest, "most powerful and accomplished road car to date." And the stats seem to back that up. Lotus says the GT430's 0-to-60 time is a brilliant 3.7 seconds, the logical result of putting a 3.5-liter V6 supercharged and charge-cooled engine producing 430 horsepower into a car with a curb weight of 2,858 pounds (2,768 pounds exsanguinated). Lotus, in continual pursuit of its fetish for lightness, used carbon fiber (some of it exposed) and lightweight chassis innovations to knock 81 pounds off the curb weight of the already-quite-light Evora 410. Other comparison points: The 410 makes 410 horsepower, hence the name, with a 0-60 time of 3.9 seconds. The GT430 also gains torque over the 410, generating 325 pound-feet, though higher in the rev range at 4,500 rpm, to the 410's output of 310 at 3,500. The GT430 comes only with a six-speed manual (you can get an automatic in the 410 if so inclined), and its top speed is 190 miles per hour. Tack on aero, notably the large carbon wing, that generates up to 550 pounds of downforce (that's at top speed, but there's plenty far slower), and Lotus says the result is "tremendous real-world speed and handling unheard of in its class." It's the first new product announcement since news broke of Lotus' sale to China's Geely. Only 60 Evora GT430s will be built, at a base price of 112,500 pounds (VAT included) that will escalate quickly with options. That's around $125 grand, assuming you could get one here. Check out Lotus' website for details. Related Video: Featured Gallery Lotus Evora GT430 View 15 Photos Image Credit: Lotus Auto News Lotus Technology Coupe Performance Geely

Lotus recalling certain 2011 Evora S models for possible oil leak, fire

Last year about 80 examples of the 2011 Lotus Evora S were recalled over an issue with the oil feed pipe. The same number of 2011 Evora S', but with different manufacture dates, are back in the recall box again for a very similar issue; this time it's the engine oil cooler hose that could rupture and spray oil either onto the rear wheels or a hot engine part. Neither of those cases is good, and the latter could potentially lead to a fire.
Lotus is working on a solution, so a recall date hasn't been announced. The bulletin below from the National Highway Traffic Safety Administration has more information.