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Cars Porsche Published by J. Doe

Cool idea: internally ventilated disc brakes

Racing technology for series production: Porsche developed the internally vented disc brake in 1965.

“Braking wins races” – these words of wisdom have not always rung true in motorsport. In fact, the brakes could even cost you a win 60 years ago, as they were weak and quick to wear out. Dreams of winning would literally go up in smoke.

No one can race up mountain passes with as much determination as the talented all-arounder Gerhard Mitter, who in the 1960s is an institution in mountain racing. But the most important innovation is the brakes on the front axle, where there are now double-walled discs with secret drilling.

The trick to cooling the discs is the radial channels that extend from the outside to the center of the disc and provide air circulation, keeping temperatures low and deceleration constant. Gerhard Mitter no longer has to go easy on the brakes, but instead can use them offensively as a competitive advantage and calculate boldly selected braking points over greater distances.

Quick technology transfer

What proves its worth in motorsport should also benefit series models – and the developers in Stuttgart operate with this motto in mind from the very start. And now it’s standard in every premium vehicle.

Info Text first published in Porsche Christophorus Magazine, issue 401.

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Jan 07, 2022 at 04:17

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