What is Disc Brakes?

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Disc Brakes:

A disc brake is a form of brake that uses the calipers to squeeze pairs of pads against a disc or “rotor” to make friction. This action slows the rotation of a shaft, like a vehicle axle, either to scale back its rotational speed or to carry it stationary. The energy of motion is converted into waste heat which must be dispersed.

Hydraulically actuated disc brakes are the foremost commonly used style of brake for cars, but the principles of hydraulic brakes apply to almost any shaft.



The development of disc-type brakes began in England within the 1890s. In 1902, the Lanchester Motor Company designed brakes that looked and operated in a very similar thanks to a contemporary disc-brake system while the disc was thin and a cable activated the brake pad.

Other designs weren’t practical or widely available in cars for one more 60 years. Successful application began in airplanes before war II, and even the German Tiger tank was fitted with discs in 1942. After the war, technological progress began to arrive in 1949, with caliper-type four-wheel disc brakes on the Crosley line, and a Chrysler non-caliper type.

In the 1950s, there was a critical demonstration of superiority at the 1953 24 Hours of Le Mans race, which required braking from high speeds several times per lap. The Jaguar racing team won, using disc brake-equipped cars, with much of the credit being given to the brakes’ superior performance over rivals equipped with drum brakes. production began with the 1949 Crosley, with sustained production beginning in 1955 Citroën DS.

Compared to drum brakes, disc brakes offer better stopping performance because the disc is more readily cooled. As consequence discs are less susceptible to the brake fade caused when brake components overheat. Disc brakes also recover more quickly from immersion (wet brakes are less effective than dry ones).

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