A car shaker can refer to a mechanical device used on railcars to release materials or to a type of car stereo system that emits strong vibrations and bass sounds. The use of car shakers in transportation saves labor and allows for controlled distribution of materials.
The term “car shaker” has two popular meanings in the transportation world. The main one is for a mechanical device that is often installed on railcars and other open-top vehicles. The other is a popular term for a type of audio system used in consumer vehicles.
The technical definition of a railroad car shaker is a metal yoke or similar structure that is attached to the frame of an open vehicle. As this shaker moves, it shakes the vehicle so that any large amounts of added materials are slowly released from the car. These agitators are most common on rail cars that transport various materials over long distances.
A primary benefit of the automobile agitator is the saving of significant amounts of labor. In primitive cars without these devices, the receiving yards for energetic materials such as coal or other materials such as sand or stone, would have had to employ men to physically remove all the contents of the car, or lift one end of the car with complex cranes or other systems. The shaker also allows for controlled distribution.
The use of a car shaker and other specialized equipment reflects modern methods for transporting some valuable mineral products. For example, coal is often a major component of mining in any given country, where coal-fired power plants serve as the primary or significant source of electrical power for a national power grid. The design of wagons with special devices helps transportation providers to stock up on these much-needed raw materials to keep a region supplied with electricity.
An alternate definition of “car shaker” is as a colloquial term for a specific type of car stereo system. This type of system is most commonly installed on certain American cars. In fact, some people may refer to any brand of larger subwoofers as “car shakers.” This has to do with the movement and vibration created by large box speakers that are often called subwoofers. At a particular wattage, these speakers affect not only the vehicle, but those outside the vehicle as well, emitting strong, powerful vibrations along with strong bass sounds.
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