 Devastated Lac-M�gantic waits for word of its missingMisc CDN | 206776 hits | Jul 08 7:30 am | Posted by: commanderkai  Investigators in the Quebec town devastated by a massive tanker-train explosion are expanding their search for the 40 people still missing two days later.Commentsview comments in forum Page 1 2 You need to be a member of CKA and be logged into the site, to comment on news. |
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One Red Cross worker: "You have to understand: there are no wounded. They�re all dead."
Wondering what the criminal investigation is going to turn up. News was saying the engineer had everything secure and locked up.
From the news descriptions, a train car may have had a brake siezed and fried. Securing that would have made no difference, they would still fail.
Wondering what the criminal investigation is going to turn up. News was saying the engineer had everything secure and locked up.
From the news descriptions, a train car may have had a brake siezed and fried. Securing that would have made no difference, they would still fail.
Confusing. There were reports of a fire earlier on one of the engines put out by the fire dept.
Wondering what the criminal investigation is going to turn up. News was saying the engineer had everything secure and locked up.
From the news descriptions, a train car may have had a brake siezed and fried. Securing that would have made no difference, they would still fail.
Confusing. There were reports of a fire earlier on one of the engines put out by the fire dept.
From the article:
It said he had locked the brakes before leaving the train.
That shutdown "may have resulted in the release of air brakes on the locomotive that was holding the train in place," the statement said.
Witnesses in the neighbouring community of Nantes, where the train had been parked before breaking loose, said Sunday that they had seen sparks and a cloud of diesel smoke as it came to a stop a few hours before the derailment.
Sparks can come from wheels that are locked due to overheated brakes.
From the news descriptions, a train car may have had a brake siezed and fried. Securing that would have made no difference, they would still fail.
Confusing. There were reports of a fire earlier on one of the engines put out by the fire dept.
From the article:
It said he had locked the brakes before leaving the train.
That shutdown "may have resulted in the release of air brakes on the locomotive that was holding the train in place," the statement said.
Witnesses in the neighbouring community of Nantes, where the train had been parked before breaking loose, said Sunday that they had seen sparks and a cloud of diesel smoke as it came to a stop a few hours before the derailment.
Sparks can come from wheels that are locked due to overheated brakes.
Noted, however the story I had read stated a fire dealt with by the fire dept. Anyway it's too early to tell and no doubt there's a lot if misinformation out there.
Most events like these turn out to be the result of cascading failures. I wouldn't be surprised if that's the case here. It will be interesting to see what happened. I would expect you'd have to have hours of direct flange impingement to get those things to go off like that.
That's exactly why I was thinking. I know a guy who worked at the Edmonton Calder yards and he described to me once where a brake that stuck closed would be pulled by the locomotive for miles, making sparks all the way. The heat that would build up took the temper out of the springs that were supposed to keep the shoes closed, and the brakes fail.
But Gunnair is correct - just speculation at this point.
Most events like these turn out to be the result of cascading failures. I wouldn't be surprised if that's the case here. It will be interesting to see what happened. I would expect you'd have to have hours of direct flange impingement to get those things to go off like that.
That's exactly why I was thinking. I know a guy who worked at the Edmonton Calder yards and he described to me once where a brake that stuck closed would be pulled by the locomotive for miles, making sparks all the way. The heat that would build up took the temper out of the springs that were supposed to keep the shoes closed, and the brakes fail.
But Gunnair is correct - just speculation at this point.
It's hard to imagine what the families are and will be going through when the realization is that their missing family and friends were possibly vaporized. No closure whatsoever
That's exactly why I was thinking. I know a guy who worked at the Edmonton Calder yards and he described to me once where a brake that stuck closed would be pulled by the locomotive for miles, making sparks all the way. The heat that would build up took the temper out of the springs that were supposed to keep the shoes closed, and the brakes fail.
But Gunnair is correct - just speculation at this point.
Speculation sure, but that mode of failure certainly correlates with the evidence so far.