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Jan 15, 2008 17:17:31 GMT
Post by Deleted on Jan 15, 2008 17:17:31 GMT
Since the relay of Minories Junction, the classic 70's light box at Cannon Street w/b has been showing the next three trains on every occassion I have passed through in either direction (8 passes) !  Previously, in the last 4 years, I have seen this only twice ! (otherwise it only seemed to find the next two trains) The destination is backlit by a flourescent tube and the 1, 2 or 3 backlight by a tungsten bulb. Someone reconnected a wire during the works I wonder ? ;D (Sadly the classic ones at Earl's Court seem to have stopped working, and Gloucester Road only seems to work for some destinations  ) |
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Oracle
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Jan 15, 2008 18:09:08 GMT
Post by Oracle on Jan 15, 2008 18:09:08 GMT
So what is at Hounslow West E/B now? It looks very much like the one installed back when it opened, along with the one at Hatton X, except that it was not working when I was there some weeks back! It looks as though some of the original destinations have changed. Is there still one on the Hatton X WB?
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Colin
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Jan 15, 2008 19:14:08 GMT
Post by Colin on Jan 15, 2008 19:14:08 GMT
I thought something didn't look right when I went through Cannon Street today - my curiosty is now satisfied.............ta aspect!  |
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Tom
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Jan 15, 2008 22:08:56 GMT
Post by Tom on Jan 15, 2008 22:08:56 GMT
Since the relay of Minories Junction, the classic 70's light box at Cannon Street w/b has been showing the next three trains on every occassion I have passed through in either direction (8 passes) ! Previously, in the last 4 years, I have seen this only twice ! (otherwise it only seemed to find the next two trains) The destination is backlit by a flourescent tube and the 1, 2 or 3 backlight by a tungsten bulb. Someone reconnected a wire during the works I wonder ? ;D Not me Sir, don't think we touched the TD. Unless it was when I might have knocked the TD reciever during the night.... |
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Jan 16, 2008 0:52:02 GMT
Post by c5 on Jan 16, 2008 0:52:02 GMT
The first of the old "arrows" next train boards has gone from Earl's Court (platform 1). It has taken them about 4 nights to remove it!
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Deleted
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Jan 16, 2008 8:33:02 GMT
Post by Deleted on Jan 16, 2008 8:33:02 GMT
Gone, as in gone for good, or is it just being restored? I'm glad the lightbox at Cannon St is back working; that deserves a photo of its own!
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Jan 16, 2008 10:05:28 GMT
Post by c5 on Jan 16, 2008 10:05:28 GMT
Gone, as in gone for good, or is it just being restored? I'm glad the lightbox at Cannon St is back working; that deserves a photo of its own! I believe they are listd, so unless they have the listing removed, they'll be back, albeit not working I understand. |
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Jan 16, 2008 11:19:54 GMT
Post by railtechnician on Jan 16, 2008 11:19:54 GMT
Gone, as in gone for good, or is it just being restored? I'm glad the lightbox at Cannon St is back working; that deserves a photo of its own! I believe they are listd, so unless they have the listing removed, they'll be back, albeit not working I understand. That's a shame! There's little point in replacing them as static exhibits, they'd be better placed in the museum except that it isn't these days is it! I think it's rather pointless listing such an item without also listing the wherewithall to control it, so much TD technology has gone to the scrap yard over the decades. |
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Deleted
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Jan 16, 2008 14:21:01 GMT
Post by Deleted on Jan 16, 2008 14:21:01 GMT
If they're going to reinstall it but not use it, that seems barmy. You can guarantee some passengers will stand there staring at it for ages waiting for it to give some info.
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Jan 16, 2008 16:16:06 GMT
Post by District Dave on Jan 16, 2008 16:16:06 GMT
You can guarantee some passengers will stand there staring at it for ages waiting for it to give some info. Nothing new there then !! |
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Jan 16, 2008 16:23:13 GMT
Post by Tomcakes on Jan 16, 2008 16:23:13 GMT
Gone, as in gone for good, or is it just being restored? I'm glad the lightbox at Cannon St is back working; that deserves a photo of its own! I believe they are listd, so unless they have the listing removed, they'll be back, albeit not working I understand. What is the point? And more to the point how much effort would it take for somebody to wire it up? It surely can't be that difficult. Or would that cost money and it's not in the contractors job description so forget it  ? |
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Chris M
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Jan 16, 2008 16:34:51 GMT
Post by Chris M on Jan 16, 2008 16:34:51 GMT
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Colin
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Jan 16, 2008 19:50:31 GMT
Post by Colin on Jan 16, 2008 19:50:31 GMT
Unless it was when I might have knocked the TD reciever during the night.... As you were involved at Minories last weekend (by implication of the quote above), can you answer this: Why have the 'spring & toggle' points been replaced with a motorised set? |
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Tom
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Jan 16, 2008 22:51:55 GMT
Post by Tom on Jan 16, 2008 22:51:55 GMT
I was there from 1930, and had the pleasure of doing the mods to the IMR diagram.
The spring toggle points have been replaced with an air operated set as non-powered points are no longer permitted (and in fact haven't been since the 1960s).
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Colin
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Jan 16, 2008 23:46:10 GMT
Post by Colin on Jan 16, 2008 23:46:10 GMT
well you learn something new every day!
So I take it then that all 'spring & Toggles' will succumb eventually?
EDIT: on the running lines only, of course.
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Jan 17, 2008 19:32:47 GMT
Post by District Dave on Jan 17, 2008 19:32:47 GMT
I was there from 1930, and had the pleasure of doing the mods to the IMR diagram. The spring toggle points have been replaced with an air operated set as non-powered points are no longer permitted (and in fact haven't been since the 1960s). 1930?  Christ - that makes you 78 if you'd been born on site!!!!! Can you expand on this spring/toggle issue - they seem perfectly sensible (not to mention safe) to me. Why fix something that ain't broke? And no-one's noticed those (and the other eight sets on the DR) since the 1960's? Oh please? ??!!!!!!!!! |
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Tom
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Jan 17, 2008 23:32:13 GMT
Post by Tom on Jan 17, 2008 23:32:13 GMT
I don't understand why they're banned either - it seems like extra stuff to fail if you ask me. But the instruction to not use them for new work really is that old. (Don't ask how Aldgate, Rayners Lane and others were missed upon resignalling in the '80s...)
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Jan 17, 2008 23:57:25 GMT
Post by c5 on Jan 17, 2008 23:57:25 GMT
Were they the ones that failed today? Scaling on the blockjoint.
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Tom
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Jan 18, 2008 0:12:13 GMT
Post by Tom on Jan 18, 2008 0:12:13 GMT
More scaling? That was the cause of monday's failre too...
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Jan 18, 2008 3:14:25 GMT
Post by railtechnician on Jan 18, 2008 3:14:25 GMT
I don't understand why they're banned either - it seems like extra stuff to fail if you ask me. But the instruction to not use them for new work really is that old. (Don't ask how Aldgate, Rayners Lane and others were missed upon resignalling in the '80s...) Probably in exactly the same way that the Ladbroke Grove resignalling around SN109 completely escaped HMRI scrutiny when it was done! No doubt the spring toggle points at Ealing Broadway and Hanger Lane Junction will be replaced eventually, you'd think they'd replace all the 6' foot sets while they're at it too as some spares have had to be made especially as and when required for a number of years now. |
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Jan 18, 2008 6:58:01 GMT
Post by Harsig on Jan 18, 2008 6:58:01 GMT
I don't understand why they're banned either - it seems like extra stuff to fail if you ask me. But the instruction to not use them for new work really is that old. (Don't ask how Aldgate, Rayners Lane and others were missed upon resignalling in the '80s...) In Rayners Lane's case its more than just missing out the task of converting the spring toggles to power operation. Of the two sets currently existing there, one is part of a crossover not installed until the 1985 resignalling and the other was definitely powered when first installed in 1935 although conversion to spring toggles appears to have occurred prior to the 1985 resignalling as there is no mention of it in the 1985 circular. |
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mrfs42
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Jan 18, 2008 7:31:02 GMT
Post by mrfs42 on Jan 18, 2008 7:31:02 GMT
I don't understand why they're banned either - it seems like extra stuff to fail if you ask me. But the instruction to not use them for new work really is that old. (Don't ask how Aldgate, Rayners Lane and others were missed upon resignalling in the '80s...) In Rayners Lane's case its more than just missing out the task of converting the spring toggles to power operation. Of the two sets currently existing there, one is part of a crossover not installed until the 1985 resignalling and the other was definitely powered when first installed in 1935 although conversion to spring toggles appears to have occurred prior to the 1985 resignalling as there is no mention of it in the 1985 circular. Wasn't some work done at Rayners Lane after 14th Sept 1957 - when remote control of South Harrow was installed through a PB desk? |
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Jan 18, 2008 11:04:31 GMT
Post by District Dave on Jan 18, 2008 11:04:31 GMT
Back to the thread - went through Canons Street twice today and each time only first train was indicated - and that was the morning peak; surely I wasn't the only train around?
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Jan 18, 2008 17:08:22 GMT
Post by Dstock7080 on Jan 18, 2008 17:08:22 GMT
Both Eastbound describers at Earl's Court have now gone. I understand that they will be put back in working order, suitably cleaned and rewired.
The 'next train out' boxes that were above the old describers have been retained for now, slightly relocated.
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Deleted
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Jan 19, 2008 19:00:24 GMT
Post by Deleted on Jan 19, 2008 19:00:24 GMT
Back to the thread - went through Canons Street twice today and each time only first train was indicated - and that was the morning peak; surely I wasn't the only train around? Much the same here, only two trains showing on several trips through, and definately a whole convoy of trains behind me ... ... Tom, go kick that TD reciever again please !! |
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Deleted
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Jan 20, 2008 17:55:52 GMT
Post by Deleted on Jan 20, 2008 17:55:52 GMT
if i can remember cannon st doesnt have a td reciever it has a series of platform code holding sets (remenant stores etc) mansion house and tower hill have the t/d recievers which are a mk1 westinghouse style which hold about 14 trains i think if i remember right monument has the same set up but these are wired up to the interface unit for the dot matrix sign
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Deleted
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Jan 20, 2008 18:00:32 GMT
Post by Deleted on Jan 20, 2008 18:00:32 GMT
the next train out signs at earls court e/b are wired up to discriminator units which are are fed from the pseduo platform programme machines S5 and S9 its the machines what decide what train is going first if in push button mode then it depends if EC13 or EC7rt2 is selected first then this in turn will light the box up up but it only works if you get a train going via the city NOT via high st ken
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Jan 20, 2008 18:03:07 GMT
Post by markt on Jan 20, 2008 18:03:07 GMT
Any ideas what causes Victoria's E/B display to show wrong trains?
Out of a choice of 3 last Wednesday, a Upminster with C stock, a Tower Hill (correct) and a further Upminster (Barking terminator)...
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Colin
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Jan 20, 2008 18:22:48 GMT
Post by Colin on Jan 20, 2008 18:22:48 GMT
It shows the previous train as being the current one - that is, for example:
1 Upminster
2 Circle
3 Tower Hill
The next train you'll actually see is the Circle, followed by the Tower Hill, etc. The Upminster train will have been & gone. The basic cause of the problem is that at some point in the recent past, a train has failed to 'move up' the line (on the station based TD equipment) - all consequent trains are therefore shown one behind where they should be.
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Deleted
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Jan 20, 2008 18:23:00 GMT
Post by Deleted on Jan 20, 2008 18:23:00 GMT
either the sign interface unit is corrupted or the t/d was just wrong the way to find out is to see if the other signs are the same at other stations if they are then the t/d is wrong if the signs are different then the t/d is correct and the signs are just corrupted victoria w/b has been going wrong recently so maybe it is the just the signs as the last reciever is at south ken and the next one is at embankment so for the t/d to be wrong all the stations in between would also be wrong as there is no way of changing the t/d
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