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Amtrak NEC CAT and signal problems.

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RME
  • Member since
    March, 2016
  • 1,238 posts
Posted by RME on Friday, February 10, 2017 7:12 PM

blue streak 1
Once again the limitations of the variable tension CAT appear to have caused more problems

Guys:  Calling the ex-PRR arrangement 'variable tension' as the supposed opposite of constant-tension is as wrong as saying the opposite of antifriction bearings is 'friction bearings'.

The older cat is FIXED tension (the tension is 'engineered in' at adjustment time, and doesn't have the self-adjusting constant tension that the newer setup does).  That doesn't mean the tension doesn't "vary" with temperature, age, and other factors: it does.  But calling the setup 'variable tension' indicates that active varying of the tension is the point of the system, when in fact the varying is an undesired consequence of the fixed adjustment.

  • Member since
    December, 2007
  • From: Georgia USA SW of Atlanta
  • 7,787 posts
Posted by blue streak 1 on Wednesday, February 15, 2017 2:21 PM

another diruption for MARC Penn line unknown what problem is / was ?

MARC Service Alert <alert@mtamarylandalerts.com> Due to the service disruption this morning on the Penn Line, Washington Metrorail will honor MARC tickets this afternoon. Please show your MARC ticket to the Metrorail Station Manager, and he or she w

Today at 2:31 PM

 

  • Member since
    December, 2007
  • From: Georgia USA SW of Atlanta
  • 7,787 posts
Posted by blue streak 1 on Friday, February 17, 2017 6:37 PM

Amtrak had a failure of an electric switch MOTOR  south of Boston.  Nothing works all the time but trains have for most part only taken 15 - 30 minute delays with an occasional 1 hour.  Probably with the way that section is designed. ?  But no service disruptions indicates a good design.

https://www.amtrak.com/servlet/ContentServer?c=AM_Alert_C&pagename=am/AM_Alert_C/Alerts_Popup&cid=1251648302292

 EDIT.   After further review  changed post to read it was a switch failure not a CAT electric switch failure.  Sorry ! ! !

EDIT 2  Amtrak has changed the above notice that it is a downed wire--------------   Guess this poster will give up.

 

  • Member since
    December, 2007
  • From: Georgia USA SW of Atlanta
  • 7,787 posts
Posted by blue streak 1 on Monday, March 13, 2017 9:50 AM
 
 

Another CAT power failure in Baltimore today.

MARC Service Alert <alert@mtamarylandalerts.com> Train 407 (5:45 am Baltimore departure) is canceled due to Catenary Power failure in Baltimore. Train 409 (6:13 Baltimore is the next southbound expected to operate with a 20 to 30 minute delay. Expec

Today at 6:25 AM
  • Member since
    December, 2007
  • From: Georgia USA SW of Atlanta
  • 7,787 posts
Posted by blue streak 1 on Tuesday, March 14, 2017 12:43 PM

Another problem today.  The following Amtrak bulletin does not say exactly what the problem but maybe someone knows ?

 

Amtrak

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Delays between Wilmington, DE (WIL) and Baltimore, MD (BAL) .  Would guess Amtrak is thankful for the reduced schedule due to the snow storm ?

Trains between Wilmington, DE (WIL) and Baltimore, MD (BAL) are disrupted due to power system issues. Repairs are underway, but delays are expected. Confirm your train's status on Amtrak.com or our mobile apps. Thank you for your patience.   

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