. The street railway review . ELECTRIC BLOCK SIGNAL. The carriages are mounted upon two 4-wheel length over end pillars is 45 feet, and width over sidepillars 8 feet 6 inches; centers of bogies, 32 feet; wheelbase of bogies, 7 feet; diameter of wheels, 2 feet 9 seat 56 passengers. Each is provided with adrivers box at one end, in which are fitted all the drivingswitches and brake controlling levers. One of the bogiescarries the motor, the armature of which is mounteddirectly upon the The magnets are of the double horse-shoe type, series wound. In addition to the b
. The street railway review . ELECTRIC BLOCK SIGNAL. The carriages are mounted upon two 4-wheel length over end pillars is 45 feet, and width over sidepillars 8 feet 6 inches; centers of bogies, 32 feet; wheelbase of bogies, 7 feet; diameter of wheels, 2 feet 9 seat 56 passengers. Each is provided with adrivers box at one end, in which are fitted all the drivingswitches and brake controlling levers. One of the bogiescarries the motor, the armature of which is mounteddirectly upon the The magnets are of the double horse-shoe type, series wound. In addition to the bear-ings on the axle they are supported at the ends by aspecial arrangement of springs from the bogies revolutions of the motor armature are equivalent toa car speed of one mile per hour, so that the maximumspeed attained is 250 to 300 revolutions per minute. The. ONE OF THE BOILERS. motors when tested in the shops gave when at rest thefollowing torque efforts at the rim of the wheel (2 feet 9inches in diameter):— With 30 amperes, 170 50 amperes, 450 60 amperes, 650 So amperes, 1060 pounds. The brakes are of the Westinghouse pattern, suppliedwith compressed air from a large receiver carried undereach car, this being charged at the terminal station,where a compressing plant is installed. The trains consist of two of the above carriages, con-nected so that there is a drivers box at each end and amotor on the leading bogie of the last car. There is noshunting at the terminal stations, the driver simply chang-ing ends. A gangway between the two cars affords aclear passage through the train for the conductor. Thecarriages are lighted by incandescent lamps, supplied withcurrent from the center rail. The bodies are constructed with a gangway down thecenter of the carriage, and the seiffs arranged on eachside, the
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
