. Electric railway journal . mineral brown were both used in priming steelcars, and the knife was freely used in skimming. The sunrather than wind and rain was the chief cause of paintdestruction. Expansion, contraction and vibration werethe main causes of the cracking of paint and varnish. ELECTRIC RAILWAY JOURNAL. [Vol. XXXVIII, No. 24. Study of Operating Characteristics of ChicagoRailways Companys Cars as Influenced by Coasting Time Engineers Who Conducted Exhaustive Tests to Determine the Saving in Power Consumption and Brakeshoes WhichWould Result from the Use of Coasting Time Recorders o
. Electric railway journal . mineral brown were both used in priming steelcars, and the knife was freely used in skimming. The sunrather than wind and rain was the chief cause of paintdestruction. Expansion, contraction and vibration werethe main causes of the cracking of paint and varnish. ELECTRIC RAILWAY JOURNAL. [Vol. XXXVIII, No. 24. Study of Operating Characteristics of ChicagoRailways Companys Cars as Influenced by Coasting Time Engineers Who Conducted Exhaustive Tests to Determine the Saving in Power Consumption and Brakeshoes WhichWould Result from the Use of Coasting Time Recorders on All of the Double-Truck Cars of theCompany Estimate that the Annual Net Saving Will Be $265,792 A detailed study of the operating characteristics of thecars and motormen of the Chicago Railways Company hasrecently been made by the engineering department of thatroad. The results show possibilities of making a consid-erable saving in cost of power and wear of elaborate observations were taken of car accelera-. and approximates the calculated time which is consistentwith the established scheduled running time; (4) a directsaving in brakeshoe wear; (5) lessening of armature andother motor troubles due to smaller rise in temperatureresulting from lower average current passing throughmotor; (6) decrease in wear and tear on equipment ingeneral, resulting also in saving in maintenance and re-newals of wheels, gears, controllers, etc.; (7) a lesseningof accidents in general, due to more uniform speed andmore uniform braking, as well as because power is on asmaller percentage of the time, thus requiring one lessoperation to stop the car, and also because to obtain maxi-mum coasting the motorman must always be on the alertto avail himself of opportunities, and if a motorman is onthe alert accidents to pedestrians and street traffic willdiminish; (8) regular running time is made more uniformon each trip and the schedule is followed more closely be-cause of ease of checkin
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