The new torque tech driving the Audi E-Trons EVs Car News

“Right now we have to operate at the limit of what the car itself is capable of,” says Finke. “The E-tron was built on our MLB Evo model architecture, the same used by the Audi Q7, Audi Q5 and Audi A6, so the chassis and axles are simply not designed for heavy loads. more important cross-cutting issues than those with whom we are already working.

As it stands, Finke says, the E-tron S Sportback’s rear axle will never apply negative torque to the inside rear wheel while driving the outside wheel: “We would have liked that capability, but since we can just use the ESC to brake the inside wheel, we’re not entirely without it. Yes, we could probably produce handling gains if we had it. But to get really big gains, you’d need a car with a purer sporting record than an SUV – something lower, lighter and stronger, designed from the first principles of dynamic driving.

Legacy ICE car platforms are clearly one of the technical reasons why EVs aren’t showing the biggest torque vectoring gains just yet, and at least we know that won’t be a problem forever.

“You would also need a battery capable of very fast regeneration and much finer control of that regeneration if you wanted to do more with electric torque vectoring,” says Finke. “When you have that, you might not even need friction brakes anymore.”

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This notice was published: 2022-06-11 23:01:23

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