. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . iins.; width, 72% ins.; depth, front, 76J4ins.; depth, back, 68^4 ins.; thickness ofsheets, sides, H in.; thickness of sheets,back, y% in.; thickness of sheets, crown,Y% in.; thickness of sheets, tube, V2 in. Water space—Front, 4l/2 ins.; sides,Zyi ins.; back, 2l/2 ins. Tubes—Diameter, Sl/2 and 2% ins.;material, 5A ins., steel; 2% ins., iron;thickness, 5]/2 ins., No. 9 W. G.; 2J4 ins.,No. 11 W. G; number, 5]/2 ins., 28; 2*4ins., 176; length, 20 ft. Heating Surface—Firebox, 192 sq. ft.;. PACIF
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . iins.; width, 72% ins.; depth, front, 76J4ins.; depth, back, 68^4 ins.; thickness ofsheets, sides, H in.; thickness of sheets,back, y% in.; thickness of sheets, crown,Y% in.; thickness of sheets, tube, V2 in. Water space—Front, 4l/2 ins.; sides,Zyi ins.; back, 2l/2 ins. Tubes—Diameter, Sl/2 and 2% ins.;material, 5A ins., steel; 2% ins., iron;thickness, 5]/2 ins., No. 9 W. G.; 2J4 ins.,No. 11 W. G; number, 5]/2 ins., 28; 2*4ins., 176; length, 20 ft. Heating Surface—Firebox, 192 sq. ft.;. PACIFIC TYPE, 4—6A. Stewart, Gen. Supt. Motive Power and Engines. valves and Stephenson link motion. Ina subsequent design, Walschaerts gearwas adopted while the slide valves wereretained. Finally, in 1912, superheatersand piston valves were applied, thischange being accompanied by an increasein cylinder diameter and a reduction insteam pressure. The total number ofPacific type locomotives thus far built byThe Baldwin Locomotive Works for theSouthern and its affiliated lines is 116,and a marked similarity is evident in allthese engines, although the dates of theirintroduction extend over a ten-yearperiod. The new superheater Pacifies exert atractive force of 35,000 pounds, and with140,700 pounds on driving wheels theratio of adhesion is The weight isthus utilized to the best possible ad-vantage, while with reasonably carefulhandling the full tractive force can bedeveloped under all ordinary serviceconditions. The use of a relatively lowratio of adhesion is quite in keeping wit
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
