Motorists around the world know how to use foot brake and hand brake, even non-motorists are aware of their operation but how many are actually aware of the
working mechanisms of braking using the pedal and the handbrake? very few, i guess. So without wasting much time let's break down the difference
Foot Brake and Handbrake: The Real Difference
If you have always been looking for the answer to-
“when should I use handbrake and foot brake,” then delve deeper into
their mechanisms and find the appropriate answer?
1. Overview
Commencing with the foot brake system, it is a pedal
connected to vacuum booster, which is used to stop or slow down the
vehicle’s motor. This is also known as the system of hydraulic brakes
that multiplies the foot-force applied in order to stop a car weighing
several tons.
Whereas, the handbrake, also known as the parking
brake, or emergency brake; is a straight pull handle near the steering
column. This can also be a hand-operated lever at floor level next to
the driver, or a foot pedal located beside the leg of the driver. Simply
put, this means it can be in any of the above-defined forms in a car
but is used only during an emergency stop or when the vehicle is in
stationary state2. Mechanical Difference
Foot Brake--
When the power brake is applied, the force is transferred
to the master cylinder. This cylinder then generates a compressive force
on the hydraulic liquid that passes through the brake lines to its
caliper. Pushing the caliper against brake rotor, the liquid assists in
slowing down the rotation of the wheel. In case of drum brakes, the same effect is seen; the only difference is that the brake drums are pushed against the two shoes by the piston.
Every time, when the driver steps on the brake pedal;
the hydraulic force is distributed between the front and rear wheels.
On average, 75% force is received on front wheels while 25% is received
at rear car wheels
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