. Electric railway journal . never dreamed of beforeit was brought into existence. During the past fourand one-half years the number of miles operated be-tween overhauling periods has been increased from timeto time until on Jan. 5, 1914, the following overhaulingmileage was made standard, and when compared withthat of Aug. 2, 1909, one cannot help but marvel atthe improvement brought about in such a comparativelyshort time: Surface Division ,— —Aug. 2, 1909. ^ , Jan. 5, 1914. , Mileage Mileage Motor Basis Motor Basis Westinghouse 68 7,000 Westinghouse 68 10,000 Westinghouse 81 8,000 Westingho
. Electric railway journal . never dreamed of beforeit was brought into existence. During the past fourand one-half years the number of miles operated be-tween overhauling periods has been increased from timeto time until on Jan. 5, 1914, the following overhaulingmileage was made standard, and when compared withthat of Aug. 2, 1909, one cannot help but marvel atthe improvement brought about in such a comparativelyshort time: Surface Division ,— —Aug. 2, 1909. ^ , Jan. 5, 1914. , Mileage Mileage Motor Basis Motor Basis Westinghouse 68 7,000 Westinghouse 68 10,000 Westinghouse 81 8,000 Westinghouse 81 10,000 General Electric 57 8,000 General Electric 57 12,000 General Electric 64 8,000 General Electric 64 18,000 General Electric SO 16,000 General Electric 80 18,000 Westinghouse 93 16,000 Westinghouse 93 18,000 Westinghouse 101 16,000 Westinghouse 101 18,000 The inspection of the foregoing equipment now variesbetween 600 miles for the few remaining hand-brakecars and 1000 miles for the nearly 2000 cars which are. Motor Lubrication—Brooklyn Air Press and Screw Pressfor Removing Bearings equipped or are being equipped with semi-automaticair brakes and pneumatic sanders. For the convenienceof the transportation department, a leeway of 100 mileseither way from these figures is permissible, and thiselasticity helps to equalize the number of cars in theshops for inspection from day to day. The total number of miles operated by the Brooklyn February 7, ELECTRIC RAILWAY JOURNAL 313 Rapid Transit System with surface passenger equip-ment, the troubles and cost were as follows: 1909 1913 Mileage 46,026,625 51,841,146 Total number of surface troubles reported 33,386 21,832 Average cost of lubrication per 1000 miles $0,192 $0,168 On the elevated division the change in mileage baseshas been as follows: , Dec. 9, 1909 * , —Jan. 5, 1914— , Mileage Mileage Motor Basis Motor Basis Westinghouse 50-B 10,000 Westinghouse 50-B 20,000 Westinghouse 50-E 10,000 Westinghouse 50
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