. American engineer . , the loco-motive will exert continuously a tractive effort of 11,520 a pull of 21,600 lbs., at a speed of miles per hour,can be obtained for a period of one hour with 600 volts at themotors. A momentary tractive effort of lbs. can beexerted when on clean, dry rails. Each locomotive has four motors, each having a normal rat-ing of 225 horsepower with natural ventilation and 250 horse-power with forced ventilation at 600 volts. Each motor is geare<l to the and their lipcation and arrangement on thetruck is shown in one of the illustrations. The
. American engineer . , the loco-motive will exert continuously a tractive effort of 11,520 a pull of 21,600 lbs., at a speed of miles per hour,can be obtained for a period of one hour with 600 volts at themotors. A momentary tractive effort of lbs. can beexerted when on clean, dry rails. Each locomotive has four motors, each having a normal rat-ing of 225 horsepower with natural ventilation and 250 horse-power with forced ventilation at 600 volts. Each motor is geare<l to the and their lipcation and arrangement on thetruck is shown in one of the illustrations. The trucks are of the e(|ualized pedestal type with one-piecerectangular frames. The pedestals are protected by wheels are 36!/.. in. in diameter, have cast steel centersand tires held in place by bolted fastenings. The journals areiyi in. X 10 in. bour 13 in. channels 30 ft. in length form thelongitudinal members of the underframe. These connect heavycast iron end sills and are stiffened and braced liy flanged. Truck for Southern Pacific Electric Locomotive. diaphragms and the heavy steel floor. The body bolsters con-sist of plates 15 in. wide and lyi in. thick continuous acrossthe bottom of the channels. The center plate is secured di-rectly to this plate bolster. Steel plates, ^ in. thick, cover theentire underframe, and are riveted to all of the longitudinalsills and to the braces. Above these there is a ^4 in. diamondplated steel flooring. The centrally located steel cab measures 18 ft. in lengthby 9 ft. 6 in. in width. The entrance is through end doors atdiagonally opposite corners, the hoods at either end. of the cab
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
