Subject:
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Re: My Sante Fe 10020
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 26 Feb 2002 21:28:01 GMT
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Viewed:
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1346 times
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> Some lines used depowered locomotives as their control vehicles. The book
> author may have seen that and thought it was a locomotive at each end. I
> dunno. But I do know this, unless you have a way to precisely control both
> locos, having actual power at both ends is tricky.
>
> I am not sure how commuter lines do it. They may use electrical signals or
> they may run the MU lines all the way down the train.
This is in the dealings of DP, Depositied power...
DP is standard in newer North American loco's computers, uses Radio
Frequencies, allows the engineer to precisely control the rear engine,
taking off slightly slower then the lead loco, to reduce slack towards the
rear of the train. DP is used by BNSF in coal trains, & UP, and other major
lines use it also... I'm SURE commuter lines do so to...
Josh
(I feel like I left something out!)
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Message has 2 Replies:
 | | Re: My Sante Fe 10020
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| (...) Some coal transport trains in West Aus run with >100 coal trucks, and have loco groups at multiple spots along the train in addition to the front. They also have problems on hill-crests, where the lead locos must reduce power going down the (...) (23 years ago, 26-Feb-02, to lugnet.trains)
| | | Re: My Sante Fe 10020
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| (...) Whereas I would strongly doubt that they do. DP (Distributed Power) uses radio signals since there are no MU or electrical lines running through the unit train coal cars. Radio is asking for trouble in congested areas with crowded spectrum. (...) (23 years ago, 27-Feb-02, to lugnet.trains)
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Message is in Reply To:
| | Re: My Sante Fe 10020
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| (...) I am not sure but I would tend to lean toward both correct, different meanings. Commuter practice puts controls in the ends of "some" (or all) cars so that when the consist is made up a car with a controlset is at the very end of the consist, (...) (23 years ago, 26-Feb-02, to lugnet.trains)
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