. The street railway review . heavy rush traffic at any time. The single-deck bogie cars have two motors of 30 horse-powereach, and the double-deck bogie cars four motors of smaller remainder of the rolling stock consists of four-wheel cars, afew of these being single deck, and over eighty being double deck,of the standard type, driven by two hiotors. The department isnow building its own cars, at the car works, at Byker. It is recognized that none of the systems for substituting elec-tricity as the motive power on steam railroads has been generallyaccepted. One of the reasons is that
. The street railway review . heavy rush traffic at any time. The single-deck bogie cars have two motors of 30 horse-powereach, and the double-deck bogie cars four motors of smaller remainder of the rolling stock consists of four-wheel cars, afew of these being single deck, and over eighty being double deck,of the standard type, driven by two hiotors. The department isnow building its own cars, at the car works, at Byker. It is recognized that none of the systems for substituting elec-tricity as the motive power on steam railroads has been generallyaccepted. One of the reasons is that any such substitutions mustbe made gradually without deranging the existing traflic. Any plans10 be accepted must preserve the structure of the road, the organ-ization of the service and the rolling slock, excepting the locomo-tive, to such a degree that both steam and electricity may be usedduring the transition period. The most difficult point in all sys-tems of electric traction is considered to be the means of supplying. KIO. 1—4«l-H. r. : current to the train. The system developed by the Maschinen-fabrik, of Oerlikon, near Zurich, Switzerland, has been designed tomeet the conditions mentioned, and it is believed will facilitate theadoption of electricity on steani roads. This system contemplates the use of monophase current at a highpotential. The installation consists of two principal parts; first,the ecpiipment placerl upon the locomotive or car by means of whichmonophase current .it a high potential is first transformed to con-tiiuious current and utilized for driving motors, and second, themechanism for taking current from overhead lines and the return
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
