. Electric railway journal . with long-wheelbase singletrucks and 400 trail cars. The standard motor cars will be lighted by two circuitsof nine lamps each in series, and a 10-volt storage batten-auxiliary is provided to supply an auxiliary circuit of lightsin the case of interruption to the main circuit. 650 ELECTRIC RAILWAY JOURNAL [Vol. XLII, No. 14. LOCOMOTIVES FOR THE NORFOLK & WESTERNELECTRIFICATION The locomotives for the most recent electrificationproject, that of the Norfolk & Western Railway, will bethe first to be commercially used in this country with acombined jack shaft and gear
. Electric railway journal . with long-wheelbase singletrucks and 400 trail cars. The standard motor cars will be lighted by two circuitsof nine lamps each in series, and a 10-volt storage batten-auxiliary is provided to supply an auxiliary circuit of lightsin the case of interruption to the main circuit. 650 ELECTRIC RAILWAY JOURNAL [Vol. XLII, No. 14. LOCOMOTIVES FOR THE NORFOLK & WESTERNELECTRIFICATION The locomotives for the most recent electrificationproject, that of the Norfolk & Western Railway, will bethe first to be commercially used in this country with acombined jack shaft and gear drive. These machines, as connected through twin gearing to a jack shaft. They areto be of the polyphase, twenty-five-cycle induction typewith wound secondaries, which are connected in cascadefor producing low speed in starting and switching. Thereare two running speeds, 28 and 14 , and a switchingspeed of 7 In starting with the 7-mile combination,the motor on each truck will be connected in cascade, and. Viviaa Figs. 363 to 392 Incl. represent miles from Norfolk Norfolk & Western Locomotives—Map of Electrified Part of Line reported in recent issues of the Electric Railway Jour-nal, will have articulated trucks and will weigh completeapproximately 130 tons each. As shown in the accom-panying illustration, four driving axles and two carryingaxles are used, the wheelbase being divided into two sepa-rate units or trucks, connected at adjacent ends by a hingecoupling. The carrying axles are mounted radially, andeach main truck has two driving axles and one radial outer ends of the trucks are fitted with standardbuffers and friction draft gear with standard couplers, thedrawbar pull being transmitted through the truck framesto the train. The weight does not exceed 57,000 lb. perpair of drivers and is sufficient to produce a tractive ad-hesion for a maximum effort of 62,500 lb. per locomotive,the weight on each radial axle being not less than 20,000lb. at the
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