by Passenger
Train brake failure; broken valve
Risks Digest
Association for Computing Machinery (of which I am a member)
Risks Digest
Association for Computing Machinery (of which I am a member)
During a switching movement at a siding, a locomotive's automatic brakeAre there ways to prevent this? Perhaps aready in use in the USA?
valve handle suddenly has no effect. Engineer applied independent brakes,
but they can't stop the train due to its weight.
[Broken valve roll pin]
Releasing the deadman pedal was no help because the brake system was
designed to ignore it if the locomotive brake cylinders had at least 30
PSI. There was no other means in the cab to exhaust the train line.
...