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Post by Jerome H on Jan 27, 2013 18:47:36 GMT
I don't expect this thread to be long. I also think that the possibility of another thread like this existing is quite large, It could be worded many ways though. Anyway...
Could someone shed light on why the cab light stays on in the rear cab of trains? I can't find or come up with an answer.
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neilw
now that's what I call a garden railway
Posts: 284
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Post by neilw on Jan 28, 2013 12:54:45 GMT
I always thought it was to improve visibility for when the "stop and proceed rule" was being applied.......
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Deleted
Deleted Member
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Post by Deleted on Jan 28, 2013 13:53:49 GMT
Could someone shed light on why the cab light stays on in the rear cab of trains? I can't find or come up with an answer. I can't comment on modern stock, but I am sure with older stock (1959s and the like) there was an option to have the rear cab lights on or off - i.e. they were not linked. Also at the far back of my mind I seem to recall an instruction many years ago that rear and middle cab lights should be kept on for security reasons. Also I wouldn't disgree with neilw's suggestion either. Maybe the new stock has been built to have front and rear cab lights on? Don't know about the cabs of 1973, C and D Stock when in the middle. Any thoughts, T/Ops of those stocks? |
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North End
Beneath Newington Causeway
Posts: 1,769
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Post by North End on Jan 28, 2013 14:51:17 GMT
I don't expect this thread to be long. I also think that the possibility of another thread like this existing is quite large, It could be worded many ways though. Anyway... Could someone shed light on why the cab light stays on in the rear cab of trains? I can't find or come up with an answer. I'm not aware of the exact reason, however I think it's a combination of improving visibility to following trains (supplementing the tail lights which are of course the primary means of ensuring visibility to a following train), and also partly for security reasons. There is also the benefit that the Train Operator will always enter a lit cab, as the design of trains now is that the light is on by default and can only be switched off when the cab is active. |
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Post by Dstock7080 on Jan 28, 2013 18:09:44 GMT
Maybe the new stock has been built to have front and rear cab lights on? Don't know about the cabs of 1973, C and D Stock when in the middle. Any thoughts, T/Ops of those stocks? C Stock rear-cab lights will always illuminate if the saloon lights are on and there is no control key inserted D Stock cab light switches are independent of the control key and need to be switched on when the cab is unoccupied for security reasons. |
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metman
Global Moderator
5056 05/12/1961-23/04/2012 RIP
Posts: 7,400
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Post by metman on Jan 28, 2013 19:19:36 GMT
The A stock were independent too if I recall.
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Deleted
Deleted Member
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Post by Deleted on Jan 28, 2013 21:30:42 GMT
A Stock - I remember them ......  |
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Post by brigham on Jan 29, 2013 12:20:36 GMT
My first thought was 'because it's in series with something', then I remembered that trams and electric trains have gone their separate ways.
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Post by Jerome H on Jan 29, 2013 22:55:03 GMT
Thanks for the answers, I appreciate it. ;D
Didn't know that the trains were designed that way.
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Post by tubeprune on Jan 31, 2013 10:23:01 GMT
I can confirm that the idea of leaving cab lights on in unused cabs was brought in during the IRA bombing campaign of the early 1970s to allow easier security inspection. At the time, all cab lights were independent of the main lighting, including C Stock.
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