. The Street railway journal . , will be watched withinterest by all steam users. The engine room is well lighted and well ventilated,and measures 158 X 98 ft. An interior view of this room, of the girders at the point of attachment to the endtrucks, consequently it is extremely well adapted for sucha long span. The bridge is provided with steel tired wheels twenty-eight and a half inches in diameter, double flanged, oper-ated by gearing at each end of the bridge, the two trainsbeing joined by a squaring shaft to insure simultaneousaction. Hand chains and sprocket wheels are providedat each en
. The Street railway journal . , will be watched withinterest by all steam users. The engine room is well lighted and well ventilated,and measures 158 X 98 ft. An interior view of this room, of the girders at the point of attachment to the endtrucks, consequently it is extremely well adapted for sucha long span. The bridge is provided with steel tired wheels twenty-eight and a half inches in diameter, double flanged, oper-ated by gearing at each end of the bridge, the two trainsbeing joined by a squaring shaft to insure simultaneousaction. Hand chains and sprocket wheels are providedat each end of the bridge for the bridge travel. The trolley is operated by a hand chain operating apinion gearing into two spur wheels attached to the truckwheels. The trolley is provided with a swivel clevis and aten ton hoisting block, and the load is automatically sus-tained at all points by the patent retaining device of themakers of the crane. The length of the runway is about145 ft. A crane similar in arrangement, and of the same. .Street Rail wan Journal FIG 3.—LONGITUDINAL SECTION OF BOILER ROOM—13TH STREET STATION OF PHILADELPHIA TRACTION CO. with the four compound engines, which are at present inplace, is given in Fig. 6. The engines were manufacturedby the Westinghouse Machine Company, and furnishedby Westinghouse, Church, Kerr & Company, and are of arated horse power of 600 h. p. each. There is room pro-vided for the installation of twenty of these engines be-fore the capacity of the engine room is reached. Thecylinder dimensions of these engines are 23 and 40 X 20ins., and each is direct connected to a No. 6 Westing-house M. P. generator, having an output of 746 amperesat 500 volts. The equipment of the engine room also in-cludes a Sellers hand crane. This crane has a span of ninety-nine feet one inch fromcenter to center of the carrying wheels, and is fully capa-ble for a load of ten tons. The bridge consists of twoplate girders, each five feet six inches deep, and of
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
