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Re: 15th Anniversary of Subchat Today

Posted by TransitChuckG on Mon Aug 19 10:08:39 2019, in response to Re: 15th Anniversary of Subchat Today, posted by Express Rider on Mon Aug 19 02:00:24 2019.

Express Rider, a friend sent me this information, it's interesting.
Yes, the Market Street, and Frankford cars were electrically incompatible. So they could not be operated normally within a single train. There was also the issue of their being of two different lengths, as the Market Street cars were just over 49 feet long, and the Frankford cars were 55 feet long, which is the standard that was established for the Budd cars, and the current M4 cars. The Market Street cars and Frankford cars did however, share a common coupler. This was for the purpose of shop moves, and in the event of a disabled train out on the line, another train of either type could pull it to the yard. This practice was once again carried over at least temporarily, with the delivery of the M4 cars. As they were first delivered and there were so few of them, they were fitted with a temporary coupler compatible with the coupler on the Budd cars, for the same purpose of moving a disabled train on the line. As the M4s began outnumbering the Budds as more and more Budds were retired, you could see more M4s with their current permanent couplers in place.


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