. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . TWIN MOTOR WITH QUILL DRIVE. scribed above reduces the weight varia-tion on the driving wheels to only 6 percent from normal, when pulling at 30 percent adhesion, as is possible with electriclocomotives owing to the steady andgradually increasing torque of the ma-chine. The question of passenger train heat-ing is of vital importance due to extremeweather conditions encountered in that. CONTROLLER FOR C. M. & ST. I 1 i IRK LOCOMOTIVE. section of the country. Heat must be as-sured under all
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . TWIN MOTOR WITH QUILL DRIVE. scribed above reduces the weight varia-tion on the driving wheels to only 6 percent from normal, when pulling at 30 percent adhesion, as is possible with electriclocomotives owing to the steady andgradually increasing torque of the ma-chine. The question of passenger train heat-ing is of vital importance due to extremeweather conditions encountered in that. CONTROLLER FOR C. M. & ST. I 1 i IRK LOCOMOTIVE. section of the country. Heat must be as-sured under all conditions of failure ofequipment, and delays of trains. Theheating plant, therefore, must be entirelyindependent of the electrification. Eachlocomotive is equipped with an oil-firedsteam boiler, designed to burn ordinaryfuel oil used by the railway is made for ■> - of gallons of water and 750 oil in each engine. The careful attention which has beengiven to improve the details of designand operation of these new engines, it ishoped, will mark an epoch in the develop-ment of the electric locomotive, and makeit an important factor in the transporta-tion problem of this country. At a recent meeting of the New YorkRailroad Club, diagrams of these engineswere shown, and comparisons were madewith existing electric locomotives. Thefact that the tractive effort of the ma-chines delivered at draw bar level has atendency to tilt the frames and to alterthe
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