Drums are a technology first developed in 1899 and due to electric motors, this outdated technology has returned to the forefront and more and more electric models are being equipped with such on their rear axle.
Skoda Enyaq iV, Volkswagen ID.3 and Volkswagen ID.4 have a rear axle drum developed by Continental, with the cost, complexity, reduced weight, corrosion resistance and energy regeneration system being the top five factors that drums are preferred by the automakers for their electric models.
The above models have their electric motor on the rear axle, with the electric motor charging when the driver takes his foot off the accelerator pedal or when he presses the brake pedal. In this way the electric motor contributes to the braking of the car, with the drums being activated only in the strong braking since the cars have disc brakes on the front axle that take over most of the braking.
In addition, the drums on the rear axle have the effect of not emitting to the environment the dust that would be emitted if in their place were disc brakes.
Source: Autoblog.gr by www.autoblog.gr.
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