Subject:
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Re: 10170 TTX Intermodal Double-Stack Car Preview
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 4 May 2005 03:25:52 GMT
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Viewed:
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8226 times
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In lugnet.trains, Kevin Salm wrote:
> It has always been my understanding that the FIRST reason for shared trucks is
> to reduce Rolling Resistance. Fewer wheels means less rolling resistance. But,
> I could be wrong on this.
I think that certainly helps, but I'd be interested in your sources. Mine are
just what I vaguely remember from articles in TRAINS magazine all these years
(coming up on my 35th anniversary as a subscriber)...
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Message has 1 Reply:
 | | Re: 10170 TTX Intermodal Double-Stack Car Preview
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| (...) As far as I have always understood it, the rolling resistance is practically the same regardless of the # of wheels...with the exception that very lightweight trains (such as empty container cars) have a higher drag than per lb than (...) (20 years ago, 8-May-05, to lugnet.trains)
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