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D.C.Metro Train suffers a seperation leaving station during AM Rush

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Posted by BaltACD on Friday, December 16, 2016 7:06 PM

Metro coupler

 

Did this happen at the train's origin station (ie. leaving an overnight tie up location)?  Or had the train traveled several miles to this station?

 

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Posted by mvlandsw on Wednesday, December 14, 2016 10:42 PM

edblysard

Simple come apart at the speed leaving a station, unless the engineer notched it out big time, would not be a big issue from the passenger point of view....a slightly "harder" unexpected stop, nothing more.

It would feel like a low speed impact at most.

As to damage to the cars, I have no clue beyond a power cable and air hose what they have to couple up, so

 

    Can passengers pass from one car to another on these trains? It would be interesting to be stepping from one car to another when they separated.

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Posted by Paul_D_North_Jr on Wednesday, December 14, 2016 9:39 AM

The table next to the description of the 7000-series cars says the Dellner coupling system is used:

 https://en.wikipedia.org/wiki/Washington_Metro_rolling_stock#7000-series 

https://en.wikipedia.org/wiki/Railway_coupling#Dellner 

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Posted by BaltACD on Wednesday, December 14, 2016 8:48 AM

I know the WMATA coupling system is not the normal knuckle style coupler that railroads use.  That being said, could something have failed in their coupling system that is similar to a broken knuckle in the railroad coupling system?

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Posted by tree68 on Tuesday, December 13, 2016 6:52 AM

ChuckCobleigh

Anybody else have a mental image of Scatman Crothers standing in the vestibule as the train pulled away?

Not until now...

Do those cars have a conventional cut lever?

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Posted by ChuckCobleigh on Monday, December 12, 2016 11:50 PM

Anybody else have a mental image of Scatman Crothers standing in the vestibule as the train pulled away?

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Posted by edblysard on Monday, December 12, 2016 9:57 PM

Wonder who pulled the pin?

23 17 46 11

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Posted by BaltACD on Monday, December 12, 2016 5:55 PM

edblysard
Simple come apart at the speed leaving a station, unless the engineer notched it out big time, would not be a big issue from the passenger point of view....a slightly "harder" unexpected stop, nothing more.

It would feel like a low speed impact at most.

As to damage to the cars, I have no clue beyond a power cable and air hose what they have to couple up, so

I could be wrong, but I think their type of coupling couples all the necessary control elements (air, power, attendent call, door opening etc) when the coupling is made between cars without additional human intervention.

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Posted by edblysard on Monday, December 12, 2016 4:52 PM

Simple come apart at the speed leaving a station, unless the engineer notched it out big time, would not be a big issue from the passenger point of view....a slightly "harder" unexpected stop, nothing more.

It would feel like a low speed impact at most.

As to damage to the cars, I have no clue beyond a power cable and air hose what they have to couple up, so

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Posted by Randy Stahl on Monday, December 12, 2016 4:06 PM

Train marshalling ?

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Posted by BaltACD on Monday, December 12, 2016 12:40 PM

samfp1943
It reported in Morning news @ http://www.fox5dc.com/news/223163301-story

"Metro train separates with passengers aboard"

The story indicates that there were passengers on-noard the train as it was leaving the station; the passenger cars suffered a 'seperation' {Decoupled?]. Seems like the D.C. Metro cannot do anything right?

- An equipment malfunction caused a Metro train to separate while passengers were onboard during Monday morning’s commute.

The incident happened near the Twinbrook Station along the Red Line in the Rockville area. WAMU transportation reporter and FOX 5 contributor, Martin Di Caro, said that a coupler between two cars became disengaged while a train was leaving the station. The train pulled away and several cars were left behind..."

WOW! Hopefully no one was injured.Sigh  Seems like the reportage leaves some  details to be desired?

Foamer or trespasser involvement?

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D.C.Metro Train suffers a seperation leaving station during AM Rush
Posted by samfp1943 on Monday, December 12, 2016 12:21 PM

It reported in Morning news @ http://www.fox5dc.com/news/223163301-story

"Metro train separates with passengers aboard"

The story indicates that there were passengers on-noard the train as it was leaving the station; the passenger cars suffered a 'seperation' {Decoupled?]. Seems like the D.C. Metro cannot do anything right?

- An equipment malfunction caused a Metro train to separate while passengers were onboard during Monday morning’s commute.

The incident happened near the Twinbrook Station along the Red Line in the Rockville area. WAMU transportation reporter and FOX 5 contributor, Martin Di Caro, said that a coupler between two cars became disengaged while a train was leaving the station. The train pulled away and several cars were left behind..."

WOW! Hopefully no one was injured.Sigh  Seems like the reportage leaves some  details to be desired?

 

 


 

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