. American engineer and railroad journal . 0 in. Grate area sij. ft. It will be noticed that in the arrangement of the tubes theyare placed in horizontal lines rather than vertical, which is in 532 THE AMERICAN ENGINEER [November, 1893 accordance with tlie oUler methods of tube arrangements,but ivhicli has been varied b_v other designers of hito j-ears,althougli it is the same as that whicli is used by Sir. ]5uchananin the engine wliieli we iUuslrate of English and Americanlocomotives. The general appearance of llie Wootten lire boxhas been retained, and the staying of llie sheets has be
. American engineer and railroad journal . 0 in. Grate area sij. ft. It will be noticed that in the arrangement of the tubes theyare placed in horizontal lines rather than vertical, which is in 532 THE AMERICAN ENGINEER [November, 1893 accordance with tlie oUler methods of tube arrangements,but ivhicli has been varied b_v other designers of hito j-ears,althougli it is the same as that whicli is used by Sir. ]5uchananin the engine wliieli we iUuslrate of English and Americanlocomotives. The general appearance of llie Wootten lire boxhas been retained, and the staying of llie sheets has been ac-complished in the usual manner of running braces back to theshell. Sta_vs are droppcil down als;) from tlie side of the shellof the donie to the crown bars. Tlie outsiile shell of the tire-box, which comes opposite the .^eams and opens at the upperend of the inside shell, is braced liy angle plates riveletl on,and the stay-bolt for the crown sheet is thrown out so that itenters the crown sheet nearly square, and runs into llie outer. CROSS-SECTION THROITGH CYLINDERS. EXPRESS PASSENGER LOCOMOTIVE, LEHIGH VALLEY R. R. sheet of the firebox at a considerable angle. Tlu^ spacing be-tween the stay-phites at the outer shell at this point is 7| point is also stajed Uy a connection between the angleplate, which is riveted to the outside shell, and the crown bars,as shown in tlu; cross-section of the boiler. The mud ring is planed off on the corners so that there is asmooth lap for the outside sheet of the tire-box, and the troubleof making a tight joint at this point is to a great extent over-come, although it requires very careful titling of the sheetthat it anil the i)laned off portion should (it. The forward tubesheet is slaye(l above the tubes by angle plates riveted across,as shown in the end elevation, and braccs running hack to the-shell, as already descrilied. Tliere are II) water grates, each9 ft. n in. long, and the crown bars arc 4J X ii in., v
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
