Identifier: railwayagegazett88newy (find matches)
Title: Railway age gazette
Year: 1913 (1910s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York, N.Y. : Simmons-Boardman Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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May. 1914 RAILWAY AGE GAZETTE, MECHANICAL EDITION 229 boiler feeding. A study of the locomotive ratios might leadone to believe that the locomotive is over-cylindered in respectto heating Surface. This, however, should not be the case, be-cause it is intended to supply feed water to the boiler at atemperature not below 200 deg. Fahrenheit. The feed water heater is a long drum, running longitudinallyunder the center of the tank. It is 20 in. inside diameter, andcontains 31 2J4 in, tubes, each about 24 ft. long. This drumforms a part of the rear low pressure exhaust passage, and isarranged so that the exhaust steam passes through the tubes,giving up some of its heat to the water which surrounds them.The water enters the drum through a special valve at the back•end, and leaves at the front end, from which it is fed to thehot water pumps. The hot water pumps are single acting, and each has one seveninch plunger. The pumps are two in number, one on eachside, bolted to the high pressure g

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