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Post by Deleted on Aug 5, 2010 0:40:48 GMT
Are they allowed further than the depot?
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mrfs42
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Post by mrfs42 on Aug 5, 2010 0:50:08 GMT
To wherever the surface stock detector is on the Picc. 500m west of Hounslow Central?
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Post by edwin on Aug 5, 2010 1:35:33 GMT
Piccadilly Circus Bakerloo platforms are the only deep level platforms where you can catch a full view of a train running the opposite way and in the platform.
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Oracle
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Post by Oracle on Aug 5, 2010 8:58:10 GMT
D Stock can run as far as Notfhfields Depot now.
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SE13
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Post by SE13 on Aug 5, 2010 9:29:44 GMT
Piccadilly Circus Bakerloo platforms are the only deep level platforms where you can catch a full view of a train running the opposite way and in the platform. Indeed, ChrisM put a photo up somewhere of that before. Fascinating set up. |
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Post by superteacher on Aug 5, 2010 9:38:35 GMT
Piccadilly Circus Bakerloo platforms are the only deep level platforms where you can catch a full view of a train running the opposite way and in the platform. Shepherds Bush (Central)? |
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Chris M
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Post by Chris M on Aug 5, 2010 10:18:19 GMT
Piccadilly Circus Bakerloo platforms are the only deep level platforms where you can catch a full view of a train running the opposite way and in the platform. Indeed, ChrisM put a photo up somewhere of that before. Fascinating set up. A closeup of the dividing wall between the platforms was used as one of the quiz photos on 26 March. The full image is on Wikipedia, click for the image description page and full-size version.  |
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Post by harlesden on Aug 5, 2010 10:42:02 GMT
Wondering why, if the photo is taken from the NB platform, the train in what is presumably the SB platform is showing Queens Park
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Post by Deleted on Aug 5, 2010 10:53:38 GMT
The Bakerloo might be the only line to reverse trains in a National Rail only platform, but I'm not certain whether Met trains serve platform 2 at Amersham and/or whether they can reverse off it? I think you meant to ask if they reverse off platform 1 at Amersham as platform 2 is the nornal platform that mets terminate in. The use of platform 1 for reversal gets a fair bit of use on Sunday when the Chiltern shuttles reverse a Amersham and start northwards off platform 2. Otherwise weekdays sees some use and also platform 2 for reversals including a rusty rail shunt from platform 1 to platform 2 north of Amersham. Wondering why, if the photo is taken from the NB platform, the train in what is presumably the SB platform is showing Queens Park Normal practice on the Bakerloo is to have the rear destination set for the return journey, saves a little time at Elephant, especially when stepping back. |
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Post by programmes1 on Aug 5, 2010 11:21:58 GMT
The Bakerloo might be the only line to reverse trains in a National Rail only platform, but I'm not certain whether Met trains serve platform 2 at Amersham and/or whether they can reverse off it? I think you meant to ask if they reverse off platform 1 at Amersham as platform 2 is the nornal platform that mets terminate in. The use of platform 1 for reversal gets a fair bit of use on Sunday when the Chiltern shuttles reverse a Amersham and start northwards off platform 2. Otherwise weekdays sees some use and also platform 2 for reversals including a rusty rail shunt from platform 1 to platform 2 north of Amersham. Wondering why, if the photo is taken from the NB platform, the train in what is presumably the SB platform is showing Queens Park Normal practice on the Bakerloo is to have the rear destination set for the return journey, saves a little time at Elephant, especially when stepping back. The real reason is lazy T/Ops if the train was to be reformed at Elephant and Queens Park was not the destination it would have to be the relieving T/Op who would then change it, not much time saved. |
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Post by andypurk on Aug 5, 2010 11:43:29 GMT
In fact, this might be another 'claim to fame', as the Bakerloo is the only line which occasionally runs a passenger service to a station not on its normal route (and not even on a LU line). I thought the Bakerloo moves to Kilburn High Road were always ourt of service from Queen's Park? Seems to vary depending on what else is going on in the area. The move is fully signaled for passenger trains and running in service saves having more staff than normal to tip the trains out. In the past, trains have run in service when the DC lines have been closed into Euston as well as there being work on the Bakerloo line. |
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Oracle
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Post by Oracle on Aug 5, 2010 13:43:38 GMT
There have been railtours that have run to KHR before.
By the way does anyone recall the band Kilburn and the High Roads? There was also a band called Central Line when I was at Uni in the mid-1970s. However none to my knowledge called Bakerloo Line! Sorry, very OTT!
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Post by harlesden on Aug 5, 2010 14:14:28 GMT
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Post by superteacher on Aug 5, 2010 14:27:10 GMT
There have been railtours that have run to KHR before. By the way does anyone recall the band Kilburn and the High Roads? There was also a band called Central Line when I was at Uni in the mid-1970s. However none to my knowledge called Bakerloo Line! Sorry, very OTT! My dad had an album by "Central Line". I was disappointed when I found out that it has nothing to do with the underground! |
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Post by norbitonflyer on Aug 5, 2010 18:07:24 GMT
Piccadilly Circus Bakerloo platforms are the only deep level platforms where you can catch a full view of a train running the opposite way and in the platform. Clapham Common! |
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Post by rincew1nd on Aug 5, 2010 18:58:42 GMT
Wondering why, if the photo is taken from the NB platform, the train in what is presumably the SB platform is showing Queens Park Oh look, it's the rear blind debate again! |
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Post by ruislip on Aug 5, 2010 20:50:05 GMT
Wondering why, if the photo is taken from the NB platform, the train in what is presumably the SB platform is showing Queens Park Oh look, it's the rear blind debate again! I think I've seen pictures of Metropolitan Line trains on the Uxbridge branch where on "up" trains the rear blind still says "Uxbridge", and on "down" trains the rear blind still says "Aldgate." |
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Post by brigham on Aug 5, 2010 21:29:34 GMT
There's some sort of crossover north of Gunnersbury East Junction, on the line not served by the District, for turning back Richmond trains, although I can't remember quite how it works.
Reversing the polarity of the conductor rails won't reverse the direction of an electric train. To reverse the rotation of a DC motor, you need to reverse the current through either the armature windings or the field coil, but not both. Think of it like tossing two coins. When the outcome is the same (both Heads/both Tails) the motor runs one way; opposites (Head&Tail/Tail & Head) it runs the other. Reversing the supply current reverses both coins, so the direction remains the same.
Hornby motors use a permanent magnet instead of the field coil. This is equivalent to a coin 'fixed' at Heads, and so reversing the supply reverses the motor. This is the source of the myth often heard at trolleybus depots; that running 'wrong road' past an obstruction requires the controller to be set at 'reverse' to cater for the opposite supply polarity.
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Post by Tomcakes on Aug 5, 2010 21:39:36 GMT
MOD NOTE - The "Rear Blind" Debate
This has come up a few times before and generally after a few posts have covered the main points, turn into an argument. Unless anyone has any genuine addition to make, therefore, please don't let's start the debate again :-).
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Post by Deleted on Aug 5, 2010 21:43:16 GMT
The layout at Gunnersbury north of the island platforn is a trailing crossover followed by the double junction between the District and the NLL. The only signal available for reversing east to west is on the NLL towards Bollo Lane so to reverse a D78 requires a shunt towards Bollo Lane and with a bit of luck they have left enough 4th rail in 1970 for the move to be done.
EDIT: Well aware that the 4th rail is still in place, there was an element of sarcasim coming out, they don't always leave what is needed. The case of the Bakerloo train given a wrong stick at Willesden Jcn a while back and having taken it toward Kensal Green Jcn then was well off the 4th rail. Thank god for track train jumpers!
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Post by Chris M on Aug 5, 2010 22:22:09 GMT
There is definitely fourth rail up to the first signal after the split at Gunnersbury - or at least there was in 2007 Old post |
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Post by 21146 on Aug 5, 2010 23:09:48 GMT
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Post by Deleted on Aug 6, 2010 9:33:03 GMT
Also at Queen's Park, one former Metropolitan Railway 3-aspect signal, south of the station on the southbound attached to the depot wall, signal R491, which is the repeater for the Kilburn Park southbound home (and in the tunnel). The bottom aspect has been patched over. This is the only ex-MR signal on the Bakerloo in the 'open air', although a few others can be found on non-MR lines.
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Post by brigham on Aug 6, 2010 9:47:21 GMT
That's the bit I was thinking of. Just a headshunt then, in reality. |
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Post by harlesden on Aug 6, 2010 16:16:42 GMT
If I'm correct in thinking that the three southernmost stations on the Bakerloo can each be used as a reversing point, is the Bakerloo unique in having three adjacent stations capable of being used for this purpose?
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Oracle
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Post by Oracle on Aug 6, 2010 16:39:44 GMT
Picc has HEATHROW T5, HEATHROW T123, and HATTON CROSS at one end
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gantshill
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Post by gantshill on Aug 6, 2010 17:47:04 GMT
After Blake Hall closed, the Central had trains reversing at Ongar, North Weald and Epping for a while. (There used to be extra trips Epping-North Weald.)
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Post by Colin D on Aug 6, 2010 18:40:52 GMT
How about London Rd at each end of the line, prior to loosing the Stanmore branch.
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Post by ruislip on Aug 7, 2010 16:04:55 GMT
3. Three timetabled termination/reversing points at the northern end (Harrow & Wealdstone, Stonebridge Park, Queens Park) ) Central line - Ruilsip Gardens I thought those trains only tipped out at RUG then go straight to Ruislip depot to no longer be in pax service. |
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Post by ruislip on Aug 7, 2010 16:07:46 GMT
Getting back to the OT, isn't the Bakerloo line the only one to start out as a solitary line, gain a branch, then later on lose the branch?
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