Why are car brakes hydraulic?
Anybody know why car brakes use a hydraulic link rather than a pure mechanical link, like the throttles in the cars?
- Anonymous2 months agoFavorite Answer
The problem with mechanical brakes was getting them adjusted so the braking force was exactly the same at all 4 wheels - otherwise the car would pull to one side or buck, one brake would lock-up, etc. - dangerous and very hard to adjust rods or cables to be exactly in sync.
Hydraulic systems - by their very nature - exert exactly the same pressure throughout the system (yes, on most systems today there is a proportioning valve so the front brakes exert more pressure that the back - - - but 4 wheel hydraulic brakes introduced in the 1940s were a giant step forward in eliminating skids & erratic stops).
- PhilomelLv 72 months ago
Hydraulics are much easier to install, just run a line to each. They are easier to maintain. Mechanical brakes require complex mechanisms over long distances subject to rust. Most were cables which can break.
They can apply much higher pressures.
- BarryLv 62 months ago
Smoother action. More efficient. Safer due to diagonal systems. Many throttles use sensors to transmit movement.