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I see a 1999 info sheet (pdf) for the Triple Crown rolling stock as 55mph (88km/h) empty, 60mph (96km/h) loaded. I don't know what the practical speed limit would be for the design in general, as there isn't market pressure in the US to go any faster. A Cargosprinter style consist would have the advantage of distributing braking along a train, which is what limits Roadrailers to either a unit train or a unit of Roadrailers at the end of a train.


I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
by BruceMcF (agila61 at netscape dot net) on Wed Jul 18th, 2012 at 03:54:38 PM EST
[ Parent ]
Could you expand on the braking comment? From what I read, in both the Triple Crown RoadRailer and RailRunner's Terminal Anywhere, the trailers have an inbuilt railroad brake hose and bogies are braked, so braking is distributed. (The brake connection is shown in the RailRunner video.)

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Fri Jul 20th, 2012 at 05:06:11 AM EST
[ Parent ]
OK, I may have misread the information sheet I linked to. On re-reading, it talks about the Roadrailers not having manual parking brakes. Rather, they have brakes engage when a certain time interval has passed without pressure on the brake hoses.

I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
by BruceMcF (agila61 at netscape dot net) on Fri Jul 20th, 2012 at 03:45:58 PM EST
[ Parent ]

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