. Electric traction for railway trains; a book for students, electrical and mechanical engineers, superintendents of motive power and others .. . locomotive 105 feet. Fuel oil is burned. Southern Pacific Mallet type locomotives are used on the Sacramento 140-miledivision, over the Sierra Nevada Mountains. There s a per cent, average gradefor 83 miles, and a per cent, ruling grade. Two Malets, or four consolidationengines are used to haul a 2,000- to 2400-ton trailing load. The running speed is ordi-narily 10 to 7 miles per hour. Fuel consumption is one gallon of oil per h. p. hour. CH
. Electric traction for railway trains; a book for students, electrical and mechanical engineers, superintendents of motive power and others .. . locomotive 105 feet. Fuel oil is burned. Southern Pacific Mallet type locomotives are used on the Sacramento 140-miledivision, over the Sierra Nevada Mountains. There s a per cent, average gradefor 83 miles, and a per cent, ruling grade. Two Malets, or four consolidationengines are used to haul a 2,000- to 2400-ton trailing load. The running speed is ordi-narily 10 to 7 miles per hour. Fuel consumption is one gallon of oil per h. p. hour. CHARACTERISTICS OF MODERN STEAM LOCOMOTIVES 79 AVheel base; driving, 39 feet 4 inches, locomotive, 56 feet 7 inches, total, 83 feet6 inches. AVeight of engine, 426,000; on drivers, 394,000; total 600, cab is on the front end of Southern Pacific locomotives. ^i^-~*- -,^ J m laoi «■■ „„;. :3^^^K ^s. ,^ Fig. 24.—Atchison, Topeka & Santa Fe. Mallet Articulated Locomotive. C^-linders 24 and 38 by 28; heating surface 4756 square feet; weight 610,000 pounds, with 12,000 gallons of water and 4000 gallons of Fig. 25.—Southern Pacific Mallet Articulated Locomotiv Cylinders, 26 and 40 inches by 30 inches. Locomotives are equipped with waterheaters and superheaters. Boiler heating surface, 5173 square feet. Steam pres-sure, 200 pounds. The cut-offs at 12 miles per hour are 79 per cent, of full stroke, SOUTHERN PACIFIC MALLET LOCOMOTIVE OPERATINGCHARACTERISTICS. Miles ]Der Tractive Piston Indicated hour. power. s])eed. per cent. 0 90,000 0 0 0 5 86,055 1147 10 77,136 297 2057 15 59,349 2373 18 51,796 535 2486 20 42,090 594 2245 80 ELECTRIC TRACTION FOR RAILWAY TRAINS Comparative tests of simple and Mallet locomotives of the consolida-tion type, on the Southern Pacific grade over the Sierra Nevada Moun-tains, were published in part in Railway Age Gazette, January 14, 1910,p. 81. The deductions from these s
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Keywords: ., bookcentury1900, bookdecade1910, bookidelec, booksubjectrailroads
