. Electric railway journal . coasting; low lubricationand maintenance costs; reduced axle fractures; reduced pull-ins; fewer carsneeded, reducing the investment, and possible adoption of smaller motors, and,therefore, less waste. The reduced energy demand means, in addition, wear on trolley wire andtrolley wheels. With bearings of the anti-friction type, the axles are kept inthe exact alignment, while with plain bearings there is considerable lostmotion due to journal brass movement in the journal boxes, and to the endsof the journal being pushed to one side of the journal brass. With the anti
. Electric railway journal . coasting; low lubricationand maintenance costs; reduced axle fractures; reduced pull-ins; fewer carsneeded, reducing the investment, and possible adoption of smaller motors, and,therefore, less waste. The reduced energy demand means, in addition, wear on trolley wire andtrolley wheels. With bearings of the anti-friction type, the axles are kept inthe exact alignment, while with plain bearings there is considerable lostmotion due to journal brass movement in the journal boxes, and to the endsof the journal being pushed to one side of the journal brass. With the anti-friction bearings there is also a reduction in brakeshoe and wheel wear. Acar equipped with these bearings will coast further than one with plainbearings, and will accelerate at a higher rate with the same current. (From an article entitled Results Obtained with Roller Bearingson Interurban Cars by W. B. Voth and A. C. Metcalfe, respect-ively Chief Engineer and Master Mechanic Empire United Rail-ways, Inc., Syracuse, N. Y.). Think it over The Railway Roller Bearing Co. SYRACUSE, N. Y. June 24, 1916] ELECTRIC RAILWAY JOURNAL 63
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