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U.P. would probably load three trains of 100 wagons(200 containers) per day in Dallas for the west coast, so they have just put those three trains together.
An intermodal yard would have maybe four cranes loading each train,this means a train could be loaded in about three hours.This equates to about 4 minutes per lift of container.
By having distributed power in the train,the brakes can be applied from each set of loco's,remotly from the head end cab.If there was no loco's in the train it could take several minutes for the brakes to be activated at the rear of the train,thus the rear of the train could be moving at full speed when the front brakes are working to try and stop the train, with disasterous results.
A new system on trial, electronically applies and releases,all the brakes along the train at the same time,thus reducing braking distance and restart times, and allows higher track speeds.
Last edited by 105E; 16th January 2010 at 14:10.
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