. Railway age gazette . lled nearly eight years ago. On the basis of the experience with these equipments, the designwas further improved and retined. and in July, 1910, roller bear-ings were applied to a 25-ton interurban car operated by theLehigh Valley Transit Company between Philadelphia andAUentown, Pa. Since that time other similar cars on that linehave been equipped and sixteen cars with roller bearings arenow in regular service. Six of the heavy, Pullman type carsare on high speed schedules and make an average of about per car per month and are now running about 85,000 miles
. Railway age gazette . lled nearly eight years ago. On the basis of the experience with these equipments, the designwas further improved and retined. and in July, 1910, roller bear-ings were applied to a 25-ton interurban car operated by theLehigh Valley Transit Company between Philadelphia andAUentown, Pa. Since that time other similar cars on that linehave been equipped and sixteen cars with roller bearings arenow in regular service. Six of the heavy, Pullman type carsare on high speed schedules and make an average of about per car per month and are now running about 85,000 mileson three pints of oil. Experience with this equipment indicatesthat inspection once in 15,000 to 20,000 miles will be cars weigh about 80,000 lbs. without passengers. Some similar cars on the Philadelphia & Western ElectricLine have been subject to a comparative test between the rollerbearing cars and those having plain bearings. These testsshowed a power consumption of kilowatt hours per car mile. Passenger Ccach en the Bangor & Aroostook, Equipped with a FuM Set of Roller Bearings degree of perfection that makes them a possibility for gen-eral application to freight and passenger cars. As proof of this,an example of a 74 ft. coach with a seating capacity of 84 and aweight of 91,200 lbs. which has been in regular service on theBangor & Aroostook for nearly two years, can be cited. Durmgthis time no faults of any kind have developed in connection withthe bearing and the riding qualities of the car have been ma-terially improved. It has been found that this car starts moresmoothly, coasts more freely, stops easier, accelerates faster, andracks the car and truck less than does the plain bearing. In ad-dition the oilmg and maintenance costs have been materiallyreduced. Before making an application to a full sized standard steamrailroad coach, a long series of experiments were made on lighterrolling stock. In .August, 1902. the Standard Roller BearingCompany of P
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1913
