. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . peratings|ieeds, with possibilities of operating atinlirmcdiate speeds from zero to the max-imum, by means of the rheostat connec-tions. The lowest of these speeds is an hour and this is obtained by con-necting the motors on either truck in cas-cade with each other and in parallel withthose on the othei truck. The use of thisspeed is only for slow movements andaround yards. The other speed of an hour is obtained by connectingthe motors on both trucks in parallel, and with
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . peratings|ieeds, with possibilities of operating atinlirmcdiate speeds from zero to the max-imum, by means of the rheostat connec-tions. The lowest of these speeds is an hour and this is obtained by con-necting the motors on either truck in cas-cade with each other and in parallel withthose on the othei truck. The use of thisspeed is only for slow movements andaround yards. The other speed of an hour is obtained by connectingthe motors on both trucks in parallel, and with large hatches. No lining is providedfor the body of the cab, but the motor-mans ends arc lined and insulated andprovided with a resilient floor covering,ior the prfitection of the motorman theends of the cab are also provided withstrong vertical members and are separatedfrom the main cab by partitions. I be\ertical members are similar to those usedin Pennsylvania railroad steel passengerand postal cars. Both sides for the fulllength of the upper deck are made in theform of louvres for .\I.\CHINERV, MOTORS .\.ND GEAR OF PENNSYLV.^NI.^ ELECTRIC () four, have a rating of h. p. each;and this gives the locomotive a capacityof 4,800 h. p. The three phase current taken fromthe phase converter is supplied, throughthe necessary control switches, to the pri-maries of these motors, and the secondarycurrent thus generated in the other wind-ings of the motors is controlled by themotorman by means of water rheostats,which permits close regulation of the trac- this is the speed at which the locomotiveis designed to operate in road servicewhen it gives a tractive effort of 87,-200 lbs. The cab containing the electrical ma-chinery is 72 ft. 6 ins. long and 10 over the sheathing. It has two Z-shaped center girders 26 ins. deep made ofplates and angles covered on top with aplate 6 ft. l^ ins. wide, which forms thejilatform floor to which the electric
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
