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 02:41:57 GMT
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Viewed:
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8160 times
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In lugnet.trains, Larry Pieniazek wrote:
> In lugnet.trains, Brian Davis wrote:
> > In lugnet.announce.iltco, Mike Walsh wrote:
> >
> > > the new 10170 TTX Intermodal Double-Stack Cair.
> >
> > OK, this is only marginally LEGO, but... why the shared bogie? As a
> > non-train type, I've certainly seen these on the tracks, but I'm not sure I
> > understand why it's prefered over seperate cars. Is it just cheaper to produce
> > two cars and three bogies over two cars and four bogies?
>
> Marginally, yes.
>
> But much more important is the significant reduction in tare(1) weight, and
> the reduction in length.
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.
.
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Message has 1 Reply:
Message is in Reply To:
 | | Re: 10170 TTX Intermodal Double-Stack Car Preview
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| (...) Marginally, yes. But much more important is the significant reduction in tare(1) weight, and the reduction in length. Since TOFC/COFC(2) is operated at high speeds, in long trains, less tare means more payload per horsepower used, and less (...) (20 years ago, 4-May-05, to lugnet.trains)
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