The secrets of brake-by-wire

The secrets of brake-by-wire

This season, rear braking can be controlled electronically for the first time because of the harvesting demands of the energy recovery systems. GARY ANDERSON explains how and why

Formula 1 cars have a two-pedal set-up. The throttle has about 50mm of travel, while the brake has around 10mm.

In the old days, there was a throttle cable connecting the pedal to the engine, but that was displaced by the fly-by-wire system. This year, fly-by-wire rear brakes have also been introduced as part of the major regulation changes related to the new 1.6-litre turbocharged V6 'green' engines.

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