Old 07-11-2005, 05:35 PM   #1
Pat Lorenz
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Question UP Snow Operations

What is the thing on top of the cab do? It looks like an antenna system to me? Any one know, and why do they need it?

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Old 07-11-2005, 05:58 PM   #2
Devil 505
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I believe they are used for knocking down any ice that has formed on the entrance to tunnels and snow sheds.
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Old 07-11-2005, 07:52 PM   #3
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Quote:
Originally Posted by Devil 505
I believe they are used for knocking down any ice that has formed on the entrance to tunnels and snow sheds.
Correct. Icicles can pose hazards to locomotive windshields and, in years past, to dome cars and loaded automobiles (before fully-enclosed multi-levels).
See following photograph for another example of such icicle bars.


source:
http://www.toltecimages.com/trains/l...mages/6039.jpg
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Old 07-11-2005, 08:59 PM   #4
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And the little circles on the windshields are pieces of glass that spin to keep off snow, instead of conventional wipers.

Heh, I'm more surprised to see SP Alco PAs, I never knew SP had them!
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Old 07-12-2005, 02:14 AM   #5
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Quote:
Originally Posted by Joe
And the little circles on the windshields are pieces of glass that spin to keep off snow, instead of conventional wipers.

Heh, I'm more surprised to see SP Alco PAs, I never knew SP had them!
Yep. Them and Cotton Belt. Here's a photo of the original paint scheme:

Source

http://www.cbu.edu/~mcondren/MRP/Mem...00Jun1959..jpg
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Old 07-12-2005, 04:22 PM   #6
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Quote:
Originally Posted by J
Yep. Them and Cotton Belt. Here's a photo of the original paint scheme:

Source

http://www.cbu.edu/~mcondren/MRP/Mem...00Jun1959..jpg
In freight service, too! Cool photo!
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