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    What color are the main track brakes on the San Francisco cable cars?

    Question #119633. Asked by Windswept. (Dec 26 10 8:35 PM)


    serpa

    		Pine.

    The cars have nothing like modern air brakes but depend for their stopping power on a set of soft pine blocks that bear down on the tracks, metal brake shoes which press against the wheels and an emergency brake that jams a metal wedge into the cable slot. Between the gripman who handles the rail and front wheel brakes and the conductor who helps out on steep grades with the rear wheel brakes, they pretty much get the car stopped where they want it.

    http://blog.modernmechanix.com/2009/06/01/san-francisco-fights-for-its-cable-cars/

    Dec 26 10, 8:58 PM

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