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| Re: PHOTOS: MNR Derailment (1261706) | |||
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Re: PHOTOS: MNR Derailment |
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Posted by AlM on Mon Dec 2 09:28:06 2013, in response to Re: PHOTOS: MNR Derailment, posted by j trainloco on Sun Dec 1 22:06:56 2013. Getting down from 75 to 30 is from 110 feet per second to 44 feet per second, a reduction of 66 feet per second. "Typical" braking is going to be something on the order of 1/10th g or less, or 3 feet per second per second or less.So he should start braking at least 22 seconds in advance of the curve. This is all based on keeping the passengers comfortable even if they are standing up - actual MNRR rules are whatever they are, and like Selkirk I have no idea what they are. |
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