Overhead cable cars, unlike traditional vehicles, are propelled by an external engine and a rotating wheel (bull wheel) situated at a station, which moves a cable that the cars grip onto.
Here's a breakdown of how they operate:
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External Propulsion: Unlike cars or trains with onboard engines, cable cars rely on a stationary motor located within a designated station. This motor powers a large wheel known as the bull wheel.
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Continuous Cable Loop: The bull wheel drives a continuous loop of steel cable that extends along the entire route of the cable car system. This cable constantly circulates.
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Grip Mechanism: Each cable car is equipped with a grip mechanism. This grip allows the car to attach to, and detach from, the moving cable.
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Movement and Control:
- To start moving, the car's grip is engaged onto the cable. The moving cable then pulls the car along the track.
- To stop, the grip is released from the cable. Brakes on the car itself are then used to bring it to a complete halt.
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Station Operations:
- At the stations, mechanisms are in place to allow cars to smoothly detach from the main cable, slow down, and allow passengers to board and disembark.
- After passengers have boarded, the car re-engages with the main cable to continue its journey.
In summary, overhead cable cars work by gripping onto a continuously moving cable that is powered by a stationary engine and bull wheel, enabling them to travel along the cable car route.
