On 02/07/2020 11:43 AM, N wrote:
Are however not sure the westinghouse system is better
there pressure is loaded then breaks are not used. First
time I heard about the accident there an oil train have
crashed then driver was sleeping and left engine on
locomotive running I thought driver was drunk. Later
however I learned fire department put out fire and did not
know it should be running to keep pressure up, this system
is still allowed? Or I got it wrong?
Yes, the catastrophe was in Canada where a freight train
loaded with oil tank cars was parked on a weekend, the
locomotive engines were left running so the parking brake
would continue to hold. There was no crew on the train.
One of the locomotives caught fire, the fire crew was called
and put it out, and they shut off both locomotive engines.
About 8 hours later the air tanks leaked down, and the train
rolled downhill and crashed on a curve, essentially burning
an entire small town to the ground.
As far as I know, the air brake system on trains has not
been changed very much in the last hundred years, it was
used on steam locomotives before Diesels.
Jon
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