. American engineer and railroad journal . GENERAL ARRANGEMENT OF MOTOR TRUCK, STEAM MOTOR CAR. The locomotive truck consists of wrought iron bar frames, 4 x 3in. in section for the top rail, fitted with pedestals, shoes andwedges, binders, etc., in the usual maimer, and having an exten-sion on the forward end to which are bolted the 12 x 16 A rigid steel casting is secured between the exten-sions of the frames to give stiffness. The drivers are 42 in. indiameter and have a wheel base of 8 ft. They are coupled to-gether by a side rod and the main crank pin is on the rear
. American engineer and railroad journal . GENERAL ARRANGEMENT OF MOTOR TRUCK, STEAM MOTOR CAR. The locomotive truck consists of wrought iron bar frames, 4 x 3in. in section for the top rail, fitted with pedestals, shoes andwedges, binders, etc., in the usual maimer, and having an exten-sion on the forward end to which are bolted the 12 x 16 A rigid steel casting is secured between the exten-sions of the frames to give stiffness. The drivers are 42 in. indiameter and have a wheel base of 8 ft. They are coupled to-gether by a side rod and the main crank pin is on the rear slide valves operated by Walschaert valve gear aro-used. The drivers are not equalized, each supporting a separatepair of semi-elliptic springs, there being one on either side ofthe locomotive frame over each journal box. All driving jour-nals are 7 x 16 in. The boiler, a section of which is shown in one of the illustra-tions, is of the vertical type, and carries a pressure of 180 square inch. It contains 361 1^2-in. coppe
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
