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| Re: WMATA: 7k cars are not composed of 2 married pairs (960650) | |||
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Re: WMATA: 7k cars are not composed of 2 married pairs |
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Posted by Sand Box John on Mon Jul 26 23:36:57 2010, in response to Re: WMATA: 7k cars are not composed of 2 married pairs, posted by zuckie13 on Mon Jul 26 21:24:15 2010. Just out of sheer curiosity, where did you read this? I had been under the impression that they were going to be two car pairs with a full cab at one and, and a hostler stand (or some kind of control for yard moves) at the other.I have a source that works in bowels of the Jackson Graham Building. He has been casually following the design process of the 7k car sense the inception of the program in 2006. I asked him a couple of weeks ago why the 7k cars can only be run in 4 or 8 car trains and not in 6 car trains. His answer was the car with no full width cab is in reality a C car with a hostler panel on the F end of the car. In other other words you can't couple the cabless car of a married pair of 7k cars to a 4 car set of 7k car because the a train regardless of length must have the same number of A and B cars. A 6 car train of 7k cars would be A-C+C-B+C-A or A-C+C-B+C-B won't work because of shared components and systems between the A and B cars. John in the sand box of Maryland's eastern shore. |
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