When a car undergoes its scheduled maintenance checks, the basic routine procedure is to change the engine oil, check on the tire pressure, and to check on the car’s brake system, including the brake fluid, brake pads, and brake rotors. Brake rotors or called brake discs are those parts where the brake pads clamp down on to stop the car’s wheels from spinning.
There are two types of brake rotors, drilled and slotted types, and with respect to the drilled brake rotors, they are distinguished by its holes drilled into the brake parts for reasons of, first, dissipating the heat created from friction when the brake pads grab the rotor, because if heat cannot escape or dissipate the brake’s stopping power is reduced and, second, any gas build up or water entering into the brake parts can be quickly removed at the brake rotor surface, thereby, allowing for the brake system to perform well. Slotted brake rotors are best suited for performance car driving like those in the racetrack, since the slots are carved into the face of the rotors with its vents located around the edge of the rotor, such that when the rotor spins, the heat escapes through the vents, making it possible to have faster removal of heat which results into a high brake performance.
In trucks and in other heavy vehicles, the brake rotors are made of sturdier materials, such as cast iron or steel, and are of larger size than those of cars, this is because a lot of force is needed in stopping a truck and, therefore, the stopping and slowing down need a lot of friction from the brakes and when there is greater friction, there is bound to be more heat generated, so the brake rotor is purposely designed to consider the fast removal of heat generated from friction in trucks.
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While brake rotors in motorcycles have the same operation principle as those in cars, they differ with respect to the functions of the brake rotors in the front and rear brakes, since the front brake takes a greater role in the stopping power, while the rear brake assisting to slow down the motorcycle. And just like cars, street driven motorcycles are designed with drilled brake rotors, while motorcycles used for racing are installed with the slotted brake rotors. Brake rotors are also considered a means to make motorcycles stand out, since they are visibly seen, and, with that, some motorcycle brake rotors are custom-designed having decorative drills or unique rotor shapes.If You Think You Get Automobiles, Then Read This