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Derailments on soft or uneven track. How come?
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[quote]QUOTE: <i>Originally posted by cornmaze</i> <br /><br />Can anyone explain to me why a soft or uneven track will cause a derailment? There was a derailment not long ago in my area due to track being rough (crews reported a bumpy ride in that spot). <br />So what is going here? Do wheels actually lift off the railhead in these bad track areas? I guess they'd have to... but it's hard for me to imagine such a heavy thing as a railcar getting airborne on the track. Any insights on this? <br />Thanks. <br />[/quote] <br /> <br />I'm no expert, but just from casual observation, have you ever noticed the way cars rock from side to side when transitioning form a level spot to an uneven one? <br /> <br />Once they get to swaying, it's pretty eriee standing very close to such and area. <br /> <br />I would imagine that such movement , over time, causes spikes to loosen, from the extra lateral force on them. <br /> <br />Just a guess though.
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