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Motorcar Parts

12/3/2012 10:42:18 AM | by Anonymous

Motorcar Parts

Cars have become an important part of people’s lives all around the world. They have been around for over a century but only started to gain popularity across the world in the last 3 decades. Also known as motorcar, autocar or automobile, the car is wheeled motor vehicles designed to carry between one to eight people and carries its engine or motor within its body frame. The invention of motorcar parts made it possible for people to get to their destination across miles. Motorcar was originally constructed for transport of people rather than goods. However, with the advancements in technology, manufacturers have developed several variations of motorcars to meet the demands of consumers. Developments offer more efficient and advanced cars, with several variations to meet the various demands of consumers; from off-road cars to regular consumer cars and heavy weight goods transportation motorcars. Despite the variations, motorcars have similar mechanisms that make them function. There are several complex systems functioning simultaneously to keep motorcars working. To understand how a car works, it is important to know the various motorcar parts.


Parts of Motorcars


Engines forms the core of any motorcar as it supplies the car power to move. Most cars today use an internal combustion engine that run on either gasoline or diesel. In the case of engines using gasoline, the engine draws in a mixture of gasoline and air and is ignited by a spark. The small explosion that occurs in the combustion chamber supplies the piston with energy which moves the shaft. Repeated explosions power the car allowing it to move. The same process occurs within an engine that uses diesel as a fuel, with the difference being that instead of using a spark, the fuel is ignited through compression. Engines can have varying number of cylinders, which each contain one combustion chamber.


Drive Line

The energy generated within the engine has to be transferred to the wheels of the car in order to move the car forward or backwards. A series of components known as the draw line connect the engine to the wheels of the car, to allow the energy to be transferred to the wheels. A rigid metal shaft known as a drive shaft is connected to the engine through the transmission. Although a car can be either of automatic or manual transmission, the function of the drive line remains the same through both systems; which is to use metal gears to match the speed of the engine to the power requirements of the car which depend on the slope of the road, the weight of the car etc.



Containing key components such as the brake cylinders, hoses, rotors, pads, and the brake pedal which is pressed down by the car operator, the entire system works together in helping stop a car. This system of the car forms a very crucial segment of a car’s make up as if it fails, it could put lives at risk. There are two types of braking systems used in modern cars; the disc or the drum. Using a spinning disc that is pinched between the brake pads mounted on calipers, the disc is able to slow the motion of the car. Drum brakes on the other hand use shoes that push outward to contact the inside of a spinning cylinder, which is also known as the drum. Cars may use either of these systems or both, one for the front wheels and one for the back wheels to make use of the best of both systems.


Electrical system

Generating the electricity required by the key components of a car, the battery is stored near the engine of a car. Several components require electricity to function such as the heater/ air conditioner, sensors and stereo, thus the electrical system forms a very important motorcar part. The battery is rechargeable which draws energy from the engine itself which also serves as a generator for the battery. The battery is used to start the car and provide initial motion, along with powering the dashboard which indicates the car speed etc, along with several other safety sensors.

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