The way the San Francisco cable cars work is more brutal. You can look up the details. Some tough spots involve metal sliding on metal. There are soft metal grip guides and "chafe bars" at turns intended to wear out and be replaced frequently. The cable itself has to be replaced every 6 months or so. It's 1870s technology.
The way the San Francisco cable cars work is more brutal. You can look up the details. Some tough spots involve metal sliding on metal. There are soft metal grip guides and "chafe bars" at turns intended to wear out and be replaced frequently. The cable itself has to be replaced every 6 months or so. It's 1870s technology.