Sunnyland Slack can be brutal from what some of you said and what I've heard. Have taken caboose rides with local railfan group on excursion railroads and see the signs warning about Slack. Of course, those trains go slow so not a real problem. I've shared about the UP City of St.L going 100 mph thru WY to make up time and the dining staff dropping dishes and falling into each other. That alerted Dad to the fact that something was unusual. I wouldn't want to have slack running in or out at that speed.
Slack can be brutal from what some of you said and what I've heard. Have taken caboose rides with local railfan group on excursion railroads and see the signs warning about Slack. Of course, those trains go slow so not a real problem. I've shared about the UP City of St.L going 100 mph thru WY to make up time and the dining staff dropping dishes and falling into each other. That alerted Dad to the fact that something was unusual. I wouldn't want to have slack running in or out at that speed.
Slack a low speeds is more dangerous than it is at high speeds - at slow speeds one part of the train can stop - and the rest of the train will find it as a immovable object and stop as one does against an immovable object - abruptly.
At higher speeds while the slack can run in and out one doesn't end up with the immovable object - one part of the train that is actually stopped.
Never too old to have a happy childhood!
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