Dude-cold can affect air brake performance, although there were likely other failures
Author: BOB2
Date: 02-09-2019 - 14:51

Extreme cold does, can, and has had effects on air brakes, although most properly operated trains, complying with all of the applicable rules do make it, through the mountains, even in extremely cold weather....

Unfortunately, there already appear to be a number of really stupid decisions, as well as rules violations, both regarding the proper use of the air brakes, and with regard to operating on grades like that found in the Canadian wreck, that would make me cringe, even in the "balmy" 110 degree summer weather, one can find on Beaumont, or Cajon, with that power, and a train of that tonnage.

These serious "failures" in rules compliance and possible operational decision-making may have been compounded, as well, by the effects of the extreme cold (gasket shrinkage, ice, stuck valves...) in the operation of the air brakes, or in conditions that contributed to not doing what should have been done (tying handbrakes to allow safe recharge of the trainline), with a train of this extreme tonnage, that was having the problems this train encountered, prior to the runaway. These are all things that we are very likely learn, in detail, when they've completed the investigation.



Subject Written By Date/Time (PST)
  It's good there are no real grades on the ex GN Hi-Line Pdxrailtransit 02-08-2019 - 19:55
  Re: It's good there are no real grades on the ex GN Hi-Line George Andrews 02-08-2019 - 20:32
  Re: It's good there are no real grades on the ex GN Hi-Line Dude with a question 02-08-2019 - 20:48
  Re: It's good there are no real grades on the ex GN Hi-Line Pdxrailtransit 02-08-2019 - 20:52
  Re: It's good there are no real grades on the ex GN Hi-Line Dude with a question 02-08-2019 - 21:27
  Re: It's good there are no real grades on the ex GN Hi-Line Joe Magruder 02-09-2019 - 07:37
  Re: There is a grade on the ex GN Hi-Line Northern Snowman 02-09-2019 - 08:42
  Dude-cold can affect air brake performance, although there were likely other failures BOB2 02-09-2019 - 14:51
  Re: Dude-cold can affect air brake performance, although there were likely other failures Max Wyss 02-09-2019 - 23:53
  Re: It's good there are no real grades on the ex GN Hi-Line Argonaut 02-09-2019 - 18:34
  Re: It's good there are no real grades on the ex GN Hi-Line Dude wheres my Train! 02-10-2019 - 20:10
  Re: It's good there are no real grades on the ex GN Hi-Line Commenter 02-11-2019 - 12:40
  Re: It's good there are no real grades on the ex GN Hi-Line Max Wyss 02-12-2019 - 01:32
  Re: It's good there are no real grades on the ex GN Hi-Line Commenter 02-12-2019 - 10:40
  Winter storm Rooty Tooty Fresh N Fruity The Fake Weather Channel 02-09-2019 - 10:00


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