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Post by Deleted on Dec 17, 2010 15:53:31 GMT
Please accept my apologies if this has already been dealt with.
Whilst changing trains at Earl's Court to-day I noticed that some "D" stock cars now have a large dot in front of their stock number.
No doubt someone here knows why.
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Post by Deleted on Dec 17, 2010 16:03:09 GMT
A dot next to a stock number normally means a de-icing unit.
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Post by District Dave on Dec 17, 2010 18:05:55 GMT
This is indeed the case.
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Post by Deleted on Dec 17, 2010 21:32:27 GMT
A dot next to a stock number normally means a de-icing unit. Many thanks. So trains are only dotty in the winter ;D ;D |
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Post by Deleted on Dec 17, 2010 21:42:16 GMT
A dot next to a stock number normally means a de-icing unit. Many thanks. So trains are only dotty in the winter ;D ;D As far as I'm aware the de-icing equipment isn't removed in the summer, just switched off. There is a seperate light on the train to indicate it being used - I know on the A stock it's a blue light on the outside door indicators. |
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Post by Deleted on Dec 17, 2010 22:51:46 GMT
Many thanks. So trains are only dotty in the winter ;D ;D As far as I'm aware the de-icing equipment isn't removed in the summer, just switched off. There is a seperate light on the train to indicate it being used - I know on the A stock it's a blue light on the outside door indicators. This is correct, although for it to work correctly it also needs to be filled up with de-icing fluid......which for obvious reasons is not done in summer. De-icing should only be switched on in the open sections anyway, spraying de-icing fluid in tunnels is not so good. |
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Post by ruislip on Dec 18, 2010 6:44:51 GMT
Have there ever been wintery days where not enough trains with de-icing units were available?
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Post by Deleted on Dec 18, 2010 9:41:05 GMT
Have there ever been wintery days where not enough trains with de-icing units were available? De-icing trains are factored into the timetable - certain set numbers should always be run with a de-icing unit. First trains over outside sections have de-icing units for example, at least they do on the Piccadilly line. I would imagine that if a wintery day is forecast whatever strings can be pulled to ensure the maximum number of de-cing trains are in service are tugged. |
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Post by trainopd78 on Dec 18, 2010 17:14:49 GMT
On D stocks, its unit numbers 7000 to 7048 even numbered (west end) units only.
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Post by District Dave on Dec 18, 2010 18:07:53 GMT
On D stocks, its unit numbers 7000 to 7048 even numbered (west end) units only. Now you're just showing off  |
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Post by Deleted on Dec 18, 2010 18:47:44 GMT
On D stocks, its unit numbers 7000 to 7048 even numbered (west end) units only. You'd think there'd be a de-icing car at each end of the train. Sounds not unlike pulling a snow-plough to me  |
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Post by Deleted on Dec 18, 2010 18:58:29 GMT
On D stocks, its unit numbers 7000 to 7048 even numbered (west end) units only. You'd think there'd be a de-icing car at each end of the train. Sounds not unlike pulling a snow-plough to me De-icing fluid has to be laid before the ice is there for it to work properly, if I'm not mistaken, so not really. |
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Post by trainopd78 on Dec 26, 2010 19:00:13 GMT
On D stocks, its unit numbers 7000 to 7048 even numbered (west end) units only. Now you're just showing off It's just one of those things thats embedded into my brain for all time lol |
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Post by Deleted on Dec 26, 2010 19:08:00 GMT
Have there ever been wintery days where not enough trains with de-icing units were available? De-icing trains are factored into the timetable - certain set numbers should always be run with a de-icing unit. First trains over outside sections have de-icing units for example, at least they do on the Piccadilly line. I would imagine that if a wintery day is forecast whatever strings can be pulled to ensure the maximum number of de-cing trains are in service are tugged. It can be a scramble, say if by chance a lot of de-icing units happen to be stopped, and also to ensure that the de-icing units are actually filled with de-icing fluid. |
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Post by singaporesam on Dec 26, 2010 23:23:13 GMT
De-icing trains are factored into the timetable - certain set numbers should always be run with a de-icing unit. First trains over outside sections have de-icing units for example, at least they do on the Piccadilly line. I would imagine that if a wintery day is forecast whatever strings can be pulled to ensure the maximum number of de-cing trains are in service are tugged. It can be a scramble, say if by chance a lot of de-icing units happen to be stopped, and also to ensure that the de-icing units are actually filled with de-icing fluid. Not really a problem , the most annoying thing is checking that the inductive sensors are working , you need to run up and then down a track with positive rails on different sides and check that the fluid has sprayed. The nozzles used to get clogged with dirt easillyb , but we did a mod a long time ago on that. |
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