. Electric railway journal . 1^ J2Q,LI^ PLAN AND ELEVATION OP PUBLIC SERVICE RAILWAY TRAILER 320 Electric Railway Journal Vol 57, No. 7. NEW TRAILER FOR PUBLIC SERVICE RAILWAY good service. A number of trains were made up withtwo cars equipped with two 50-hp. motors each, onmaximum-traction trucks. These were permanentlycoupled, the four motors on this train being handledlike a four-motor equipment on a single car, with abus line connecting the two cars. This type of trainhas not proved satisfactory, for these among other rea-sons: First, on stiff grades with heavy loads the trac-tion in wet w
. Electric railway journal . 1^ J2Q,LI^ PLAN AND ELEVATION OP PUBLIC SERVICE RAILWAY TRAILER 320 Electric Railway Journal Vol 57, No. 7. NEW TRAILER FOR PUBLIC SERVICE RAILWAY good service. A number of trains were made up withtwo cars equipped with two 50-hp. motors each, onmaximum-traction trucks. These were permanentlycoupled, the four motors on this train being handledlike a four-motor equipment on a single car, with abus line connecting the two cars. This type of trainhas not proved satisfactory, for these among other rea-sons: First, on stiff grades with heavy loads the trac-tion in wet weather or on wet rails is not sufficient tomaintain speed, hence the line is slowed down. Thatis, the drivers slip and spin too much to permit the. making of schedule speed. Again the unit gives troubleat switches, the derailments being too frequent fordependable operation. A better train was found to be one made up offour-motor cars with H L multiple-unit control, and 128 C3 crm a: 5t BC Pi BO D- 1 I I 2-5 4 S 6 7 0 Lengthof Trip inMiles Length of Trip in Miles RESULTS OF TESTS OF DIFFERENT TYPES OF TRAIN UNITS IN NEW
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