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Dyno blog

Dynamometer grip is critical for EV cars

2022-11-24 14:50
Dynamometer grip is critical for EV cars

Electric cars have broken into the market without any conventions. They are there and that's the way it is. Hundreds or even thousands of newton metres of torque have become a reality. Whereas previously these parameters were reserved for dragsters, today a BMW i3 or an Audi e-Tron can burn a tyre on a dynamometer.
What is needed is a new solution - a dynamometer adapted to the era of electric cars. And we have that solution - a computer-developed solution that provides the most grip on the market. Biprismatic knurled rollers.
Until now, the best (incidentally also developed by us and counterfeited by newly emerging dynamometer manufacturers) were linear knurled rollers. The best so far knurling provided a double peak of each line, which increased grip. But the tyre was still allowed to 'work' in directions other than thrust, and this reduced grip. Because ideally, the tyre would be locked in every direction.
And our new development solves this problem. Even the most powerful electric cars (Tesla, Porsche Taycan) can be controlled and measured without any problem.
You can buy such a dynamometer, adapted to the era of electric cars, or replace the rollers with new biprismatic knurled ones. Contact us.
Science did the job. Vtechdyno did it.

TractionBoost roller vs classic linear roller
TractionBoost roller vs classic linear roller

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