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Lotus Evora GX to race in U.S. Grand-Am series

The Lotus Evora has taken many forms as a race car over the past few years, starting in 2009 with the Type 124 Endurance Racer built for the FIA GT. Since then, Lotus has developed a GT4 Cup version designed for a one-make series, the Evora GTE that currently competes in the GT class of the ALMS and the recently introduced Evora GTC.
Now, Lotus has released the Evora GX, a variation of the GTC tweaked to specifically meet the requirements of Grand-Am's new GX class that will launch at the start of the 2013 race season. While the two cars are very similar, using the same lightweight carbon fiber and plexiglass bodywork, the GX version gets a thicker U.S.-spec roll cage, a revised front splitter and bumper, a standard Grand-Am rear wing, yellow headlights and a new fuel filler system. ABS and traction control have also been removed per Grand-Am regulations.
Pricing for the Evora GX is listed at $335,000 with each one built to order, and one customer has already taken the plunge. McMahon Raceworks has placed an order and should have the car on the starting grid at the first race next year.

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 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.