Identifier: locomotiveengine12hill (find matches)
Title: Locomotive engineering : a practical journal of railway motive power and rolling stock
Year: 1892 (1890s)
Authors: Hill, John A. (John Alexander), 1858-1916 Sinclair, Angus, 1841-1919
Subjects: Railroads Locomotives
Publisher: New York : A. Sinclair, J.A. Hill (etc.)
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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to yoA inches deep. Lib-eral water space is provided around thefirebox, varying from 4 to s/i inches.The crown sheet is supported by radialstaybolts l^ inches in diameter, and theother staybolts are i inch thick. Thereare 348 2-inch tubes, 13 feet 10 incheslong, providing 2,512.55 square feet of an X-casting, so that the water from theright-hand injector goes into the left-handpipe and vice versa. There is a divisionin the X I believe, so each stream is sepa-rate. Then I followed the piping andfound it ran outside the boiler to nearlythe front end. Questions come up as to the necessityof delivering water into the front end andthe loss in heat units on a cold night fromhaving the delivery pipe outside and fullyexposed. If it is best to deliver at frontend, why not run pipe inside of boiler andsave the heat. R. E. Marks. Camden, N. J. The late John C. Trautwine, author ofRules and Tables for Engineers, whosefame as an engineer of the highest rankwill continue as long as the engineering
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SCHENECTADY DOUBLE-ENDED CONSOLIDATION ENGINE. rest upon the drivers. The total wheelbase is 36 feet 3 inches, of which 15 feetis rigid, representing the driving wheelbase. The cylinders are 22 x 28 inches,the driving wheels are 55 inches diameteroutside of tires, and the boiler carriessteam of 200 pounds pressure per squareinch. Worked out in the usual way. thesedimensions and particulars show that theengine is capable of exerting about 42.000tractive force, and that the ratio of trac-tive power to adhesion is about 4. An examination of the dimensions ofthe engine shows that it is noted for amplebearing surfaces, liberal heating surfaceand large grate area—three characteris-tics which have much influence in makinga good locomotive. heating surface, the firebox having 176.92square feet, making a total of 2,689.47square feet of heating surface. The boileris covered with Keasbey & Mattisons sec-tional magnesia covering. There are twoCrosby 3-inch muffled safety valves. Leachsandin

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