. Electric traction for railway trains; a book for students, electrical and mechanical engineers, superintendents of motive power and others .. . Fig. 64.—Spokane and Inland Empire Railroad Motoh-car 6600-volt, 25-cycle system. Four motors per 42-ton motorcar. Fig. 65.—London, Brighton and South Coast Railway Motor-car 6600-volt, 25-cycle, single-phase system. Four 115-h. p. motors per motor car; two 55-tonmotor cars ond one 35-ton coach per three-car train. Four 175-h. p. motors per motor car; two 60-ton motor cars and two 35-ton coaches per four-car train. 5. Cos
. Electric traction for railway trains; a book for students, electrical and mechanical engineers, superintendents of motive power and others .. . Fig. 64.—Spokane and Inland Empire Railroad Motoh-car 6600-volt, 25-cycle system. Four motors per 42-ton motorcar. Fig. 65.—London, Brighton and South Coast Railway Motor-car 6600-volt, 25-cycle, single-phase system. Four 115-h. p. motors per motor car; two 55-tonmotor cars ond one 35-ton coach per three-car train. Four 175-h. p. motors per motor car; two 60-ton motor cars and two 35-ton coaches per four-car train. 5. Cost of maintenance and total cost of operation must be placedon a comparable basis, i. e., per car-mile, ton-mile, seat-mile, etc., ratherthan per train-mile. Comparisons with similar tables on the maintenancecost of electric locomotives are valuable where the two classes of service MOTOR-CAR TRAINS 239 are worked together. Operating cost for motor-car trains is presentedquantitatively in the tables which follow. MAINTENANCE EXPENSE OF MOTORS PER CAR-MILE. Name of railway.
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