. The Street railway journal . giving at full load and 250 r. p. m., 180amps, at 2 volts by 1350 volts, and without load 2 volts x 1200volts. It has two armatures mounted on the same shaft, andtwo sets of field coils mounted on a common base. The arma-ture length is 550 mm, and the distance between opposite polepieces 1250 mm. The commutators are 750 mm in diameterand 150 mm long. The shaft has a diameter of 52 cm on ac-count of its length, m between journals, and the weightof the armatures is 9 tonnes. The total weight of each half-revolving part is 33,400 kg, made up as follows: Armatu
. The Street railway journal . giving at full load and 250 r. p. m., 180amps, at 2 volts by 1350 volts, and without load 2 volts x 1200volts. It has two armatures mounted on the same shaft, andtwo sets of field coils mounted on a common base. The arma-ture length is 550 mm, and the distance between opposite polepieces 1250 mm. The commutators are 750 mm in diameterand 150 mm long. The shaft has a diameter of 52 cm on ac-count of its length, m between journals, and the weightof the armatures is 9 tonnes. The total weight of each half-revolving part is 33,400 kg, made up as follows: Armatures 2 x 4500 = 9,000 kg Shaft and bearings 2,700 Base and journals 2,500 Field frame 2x6600 = 13,200 Half of the fly-wheel clutch coupling 4,000 Total 33400 • «>♦♦ STANDARD INTERURBAN TRACK CONSTRUCTION OF THEINTERNATIONAL RAILWAY COMPANY As the track construction of the International Railway Com-pany, which controls the lines around Buffalo, is noted for itsexcellence, the accompanying diagrams, showing the arrange-. CROSS-SECTION OF ROADWAY ment of ballast and slopes of cuts and fills, will be of interest. In cuts a slope of 1 to 1 is allowed, in fills a slope of il/2 to1. The depth of the ballast is 8 ins. The sub-grade has adrop of 3 ins. in the 10 ft. from the center of the track to thegutter, and on the sub-grade 8 ins. of crushed stone is laid Slope Strike a:A
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
