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Lotus Evija to go for Nurburgring EV record

No matter how many times Nurburgring records are made or broken, they still stand as an important automotive measuring stick – at least in a marketing sense. Granted, there are different Nurburgring lengths even on the Nordschleife, and then it all comes down to whether the vehicle is a production car, or completely experimental, or electric, or. Â… Anyway, numbers are numbers, and some numbers are smaller than others, and the Nurburgring is a legendary place to go fast. One of the future plans for Lotus is to bring its upcoming Evija electric hypercar to the ‘Schleife and see if it can go faster than the NIO EP9. PistonHeadsÂ’ article on the Evija featured some interesting tidbits from Louis Kerr, principal platform engineer at Lotus. Kerr said the Evija should be “comfortably quicker” than the NIO EP9 at the Nordschleife, meaning they are gunning for a production EV lap time of way under 6:45. The EvijaÂ’s 70kWh battery pack has reportedly been optimized to provide 2MW peak flow for a sustained seven-minute period, which is practically tailored for a record Ring lap. After that, the batteries would heat up too much to provide peak power. The swappable battery pack can also take “ultra-fast” charging of up to 80kW thanks to active cooling of its li-ion cells manufactured by Samsung. The relatively handy swap-ability of the battery pack is done for the sake of future-proofing, as it means the 70kWh capacity can be upgraded by owners when technology progresses further. Kerr also said that the Evija should be able to hit 62mph from zero in less than the 3 seconds advertised so far, and the targeted 3-second figure should be treated as a “worst case scenario”. The Evija could thus also be able to reach 300 km/h (186 mph) even faster than 9 seconds, as stated. Lotus CEO Phil Popham also said Lotus would be able to build up to 130 units of the Evija, and that several contracts have already been signed with future buyers. News Source: PistonHeads Green Lotus Electric Supercars

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:

Watch the Lotus Esprit evolve from 1976 to 2004

Seeing a model as long-lived as the Lotus Esprit evolve over time generally requires some clever photography or graphical work, kind of like this. This video doesn't require any of that trickery, though, because it features every single model year of Espirt in one glorious row of awesome British cars.
Taken at the 2013 Lotus Festival at Brands Hatch in the UK, it features Esprits from 1976 all the way to its last model year in 2004. It really puts into perspective the slow evolution of the mid-engined, wedge-shaped Lotus, as it went from a very 1970s design to something decidedly more modern.
We've got the full video below, which starts with a red 1976 model, travels down the line to a silver 2004 Esprit, and then all the way back to the original. Take a look, and let us know what you think.