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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.

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

Jay Leno goes old school with 1966 Lotus Elan 26R

On the latest episode of Jay Leno's Garage the guest's are both from inside the garage: the man they call Professor Jim Hall, Leno's master fabricator, and the 1966 Lotus 26R that he spent 18 months building. The Elan 26R was the racing version of the Elan that Lotus founder Colin Chapman began building after watching privateer teams prep their roadgoing Elans for competition duty all over Europe. Built by the factory from 1964-1966, drivers like Jim Clark and Jackie Stewart won silverware in the roadster called "the giant killer."
Hall, a veteran Lotus wrench, started with the 1966 Elan street car and turned it into a 26R that's arguably better than the factory original. Except for the engine block and head, original 26R body and Elan chassis, just about everything is custom built, highly modified or special order, from the fabricated oil pan, brake lines, safety wiring and oval exhaust tubing to the six-speed sequential transmission.
The episode is an unusually-long 21 minutes because, as an in-house build, Leno can go through the process of putting the whole roadster together. When he takes it for a drive and keeps going on about how it sings, you can hear it, too. It's worth the time to check out Mr. Hall's Opus in the video below.