. American engineer and railroad journal . orefully the wants of American tramway companies, the machinemust be so modified as to be readily applied to cable, elec-trical, and horse cats already in use, thereby economizing allbut the running gear of such vehicles. The following modifi-cations have therefore been made in the Dresden model asabove described : The motcr has been condensed in compassso as to be readily set upon a four-wheeled truck, whollyindependent of the upper portion of the car. The fly-wheeland driving machinery are laid in a horizontal position be-tween the wheels, and two s


. American engineer and railroad journal . orefully the wants of American tramway companies, the machinemust be so modified as to be readily applied to cable, elec-trical, and horse cats already in use, thereby economizing allbut the running gear of such vehicles. The following modifi-cations have therefore been made in the Dresden model asabove described : The motcr has been condensed in compassso as to be readily set upon a four-wheeled truck, whollyindependent of the upper portion of the car. The fly-wheeland driving machinery are laid in a horizontal position be-tween the wheels, and two sets of springs are provided, thosesupporting the machinery resting directly on the axles, andthose supporting the car body bearing on the truck frame,the two sets of springs being entirely independent of eachother. By this clever device the vibration caused by theengine at the moment of starting is reduced to a minimum,and the whole apparatus so simplified that when the body ofany ordinary street car is bolted to the springs and the cool-. F I G. 13. ■


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering