Subject:
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Re: Slug Photos
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 25 Apr 2005 20:44:51 GMT
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Viewed:
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1488 times
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Correct me if I’m wrong but its my understanding that a slug does not generate
power on its own. It is powered from the lead loco. The effect is greater
traction and power but less generation. They are seen a lot in switching yards
but not as much on long hauls.
Mike
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That’s correct. A slug is an engine that’s had the cab and motors removed, and
often the fuel tanks as well. Sometines tha tank is retained and filled with
ballist. This was common with older engines such as a GP9 or GP15. Either way,
extra wieght is added to offset the missing structure and engines. The
(electric)motorized trucks are retained, and are slaved off of another engine,
that it’s permanently or simi permanantly coupled to. The whole idea is to
double the traction for slow heavy loads.
These are used in larger yards, often to pull loads over a hump.
http://espee.railfan.net/sp4xslug.html
A similar configuration is a “cow and calf”. In this case bothe engines retain
thier deisel motors and control systems, however one of the engines is cabless.
http://espee.railfan.net/sptr06.html
Mat
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Message has 2 Replies:
 | | Re: Slug Photos
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| (...) That interesting, I'd assumed looking at the picture that it was a cow and calf but I did wonder why the bonnet was so low. I have heard both terms before but not made the destinction between them I've not come across anything like this (...) (20 years ago, 25-Apr-05, to lugnet.trains, FTX)
| | | Re: Slug Photos
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| (...) I found a couple of pictures of a completely different kind of slug (URL) and 4th pictures up from the bottom Tim (20 years ago, 17-May-05, to lugnet.trains, FTX)
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Message is in Reply To:
| | Re: Slug Photos
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| (...) power on its own. It is powered from the lead loco. The effect is greater traction and power but less generation. They are seen a lot in switching yards but not as much on long hauls. Mike (20 years ago, 25-Apr-05, to lugnet.trains)
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