Talk:London Underground 1992 Stock

Dates?

i somehow dont think that 'pre-2006 network south-east livery' can be right, as privatisation that got rid of network south east happend pre 2000 to my knowledge Willow177 20:44, 22 February 2007 (UTC) sorry, im wrong, but surely a bit of dis ambiguation would be appropriate Willow177 20:46, 22 February 2007 (UTC)

ABB

I have to say I'm a bit confused by ABB. Adtranz, according to that article's page, was formed from a merger of ABB Henschel and AEG. The former links to Henschel & Son. However, the ABB article: Asea Brown Boveri talks of a company that still exists. Could someone explain to me, probably in short words and plenty of patience, what happened here? Did ABB (Asea Brown Boveri) have a subsidiary called ABB Henschel that is actually the people who made the 1992 stock, and this was then absorbed into Adtranz? Tompagenet 09:11, 14 April 2007 (UTC)

Max Speed

Is 130km/h (80mph) really the max speed - this is very fast for tube stock - have we got a source? Tompagenet 09:11, 14 April 2007 (UTC)

File:1992refresh.jpg Nominated for speedy Deletion

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Announcer system nickname

The 'Sonya' name is mentioned in the 2012 BBC series The Tube about the underground system in an informal interview with the maintenance staff. The member of staff informs the viewer of the nickname and why it is so called. — Preceding unsigned comment added by 2ghoti (talk • contribs) 10:44, 12 March 2013 (UTC)

External links modified

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External links modified

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Merger

I propose that the article British Rail Class 482 be merged into this article. They are the same train and a lot of the information on the Class 482 article is duplicate. ElshadK (talk) 17:18, 8 December 2018 (UTC)

Electrification

Although it's four rails, the so-called "fourth rail" is actually the one in the middle, which is the return (-210 V DC) rail. The live (+420 V DC) rail is actually the third rail, which is why it should be all rail capable, and this applies to all LU stock. Edgar Searle (talk) 08:51, 15 June 2021 (UTC)

Where is it claimed that the fourth rail is not the one on the middle? --Redrose64 🌹 (talk) 09:18, 15 June 2021 (UTC)

I think this is about my revert. There is a consensus on wiki and in industry to use the term "fourth rail", mostly as a contrast to "third rail" where the running rails are used as a current return path. It's technically correct to say "third and fourth rail" as both rails are required for its operation, but the 1992 stock cannot operate on "third-rail" electrified track. I would expect "third and fourth rail" to mean the stock is capable of either. Just as "third rail" implies the existence of two others, "fourth rail" implies the existence of three others. ~SpK 19:52, 15 June 2021 (UTC)

Here guys, I found this on the web at Track & Traction Current, and it says the third rail is the positive/live rail (+420 V DC) along the side of the track, 3 inches (76 millimetres) higher than the running rails, and the fourth rail is the negative/return rail (-210 V DC) mounted centrally between the two running rails, 1.5 inches (38.1 millimetres) higher than the running rails. Edgar Searle (talk) 05:45, 16 June 2021 (UTC)

Sure, we don't disagree on that - London Underground has used the outside positive/centre negative system for well over 100 years (although some lines weren't converted to that system until the 1930s, and some (such as the Bakerloo beyond Queen's Park) have the running rails electrically bonded to the centre rail for compatibility with NR trains that share the route) - but your original post says Although it's four rails, the so-called "fourth rail" is actually the one in the middle so where is that being doubted? --Redrose64 🌹 (talk) 09:02, 16 June 2021 (UTC)

The Movement Of 1992 Stock

Central Line: The 2024 Stock Will Replace The 1992 Stock. The 1992 Stock Will Be Moved To Bakerloo Line & Run Along With 1972 & 1973 Stock In 2028.
Waterloo & City Line: The 2024 Stock Will Replace The 1992 Stock. The 1992 Stock Will Be Converted & Moved To Isle Of Dogs In 2030.— Preceding unsigned comment added by 49.204.142.79 (talk) 14:08, 27 November 2021 (UTC)