. The street railway review . s thatevery car is a complete ^- *• unit and can be operated separately or in unison with any other number. Such aplan gives the greatest flexibility conceivable on a roadwhere the traffic is widely different at different hours of theday. A maximum tractive effort can be secured in thisway, as 6o per cent of the weight of each car with pass-engers rests on the driving wheels. What a valuablefeature this is may be determined by the conditions ofelevated service. The first requisite is that an elevated line must give afaster service than the surface lines, or else p
. The street railway review . s thatevery car is a complete ^- *• unit and can be operated separately or in unison with any other number. Such aplan gives the greatest flexibility conceivable on a roadwhere the traffic is widely different at different hours of theday. A maximum tractive effort can be secured in thisway, as 6o per cent of the weight of each car with pass-engers rests on the driving wheels. What a valuablefeature this is may be determined by the conditions ofelevated service. The first requisite is that an elevated line must give afaster service than the surface lines, or else people will notwalk up and down stairs and wait for the trains. The dis-tances between the stations are from i,ooo to 3,000 ft. andthe greater part of the schedule time is taken up in accele-rating and stopping the train. It is very essential that therebe great tractive effort and good brakes. In the morningand evening the passenger carrying capacity must be verymuch increased and this should be done quickly In the reconstruction, the old trucks have been supplantedby McGuire trucks, each of which carries a G. E. 57 motorof 50 h. p. capacity. At either end of the car the portionof the platform to the right of the door is partitioned offfor the motormans vestibule as shown in Fig. i. Only theair gage, the engineers air-brake valve and the contact boxof the controller are visible. The vestibule is very cleverlydesigned, the partitions on either side being doors which canreadily be folded back and fastened so as not to obstruct thepassageway on that side of the platform. Fig. 2 is a viewof the car showing the arrangement of the vestibule. The hood over one of the platforms has been enclosed,lined with asbestos, and three doors provided so that all partsof the electrical apparatus in this improvised box are acces-sible from the platform. The controller, which is of thestandard K-2 type, is suspended horizontallj from the roofof the vestibule. It is connected thro
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
