Identifier: railwaymastermec33newy (find matches)
Title: Railway master mechanic (microform)
Year: 1895 (1890s)
Authors:
Subjects: Railroads Railroads
Publisher: New York : (Simmons-Boardman Pub. Corp.)
Contributing Library: MIT Libraries
Digitizing Sponsor: Boston Library Consortium Member Libraries

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are swung suspended between the center andoutside axles. The center plate is in one piece with a heavysteel casting, which is seated on the bolsters. The truck frameand pedestals are also of cast steel. The calculated tractive force of these locomotives is 108,300pounds and in this respect the design marks an advance overany engines heretofore constructed by the builders. While thenew engines are primarily intended for freight service, the com-parativly large size of their wheels should enable them to handleheavy passenger trains on mountain grades. Although they arein some respects an experiment, the previous experience of thebuilders with heavy articulated compound locomotives indicatesthat their performance will be satisfactory. The principal dimensions, weight etc., are given in the follow-ing table: Gauge 4 ft. sy2 ins. Cylinders 26 ins. and 38 ins. x 34 ins. Valves Balanced Piston Boiler— Type Straight Material Steel Diameter S4 ins. 490 RAILWAY MASTER MECHANIC December, 1909
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T I m*t.i ^- e December. 1909 RAILWAY MASTER MECHANIC 491 Thickness of sheets % in. and it in. Working pressure 220 lbs. Fuel Oil Sta3ring Special Fire Box— Material Steel Length 129^ ins. Width 78% ins. Depth 72 ins. Thickness of sheets, sides fa in. Thickness of sheets, back ^ in. Thickness of sheets, crown fa in. Thickness of sheets, tube fa in. Water Space— Front 5 ins. Sides 5J/2 ins. Back 5 ins. Fire Tubes— Material Iron Thickness No. 11 W. G. Number 387 Diameter 2% ins. Length 21 ft. 0 ins. Feed-Water Heater Tubes— Material Iron Thickness No. 11 W. G. Number 417 Diameter 2^4 ins. Length 6 ft. 8 ins. Heating Surface— Fire box 236 sq. ft. Fire tubes 4,768 sq. ft. Feed-water heater tubes 1,617 sq. ft. Total 6,621 sq. ft. Grate Area 70.8 sq. ft. Driving Wheels— Diameter, outside 63 ins. Diameter, center 56 ins. Journals, main 11^2 ins. x 12 ins. Journals, others 10 ins. x 12 ins. Engine Truck Wheels— Diameter, front • 34J4 ins. Journals 6*/£ ins. x lOJ^ ins. Diamet

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