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Post by A60stock on Oct 30, 2016 20:54:40 GMT
With the intercity express programme lined up, the class 800/1 are set to replace the hsts and the class 91s operating out of King's Cross. This got me thinking, are the class 91s really life expired having only entered service around 1988-90? I can understand the hst need to be replaced as they are 40 years old now,however to me it seems that the class 91s are not even 30 yet! The eurostar class 373s are only a few years younger and are set to run for a while still. I most certainly hope there is use for the intercity 225s after their departure from the ECML as they aren't life expired yet!
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Post by 100andthirty on Oct 30, 2016 22:16:40 GMT
Class 91s are obsolete and suffer many problems - not least only one pantograph on the whole train. There had been proposals to re-use the mk1V coaches but they would have been linked to new locomotives. In the event, the target TOC - Greater Anglia - plumped for new multiple units. So if they don't go to Greater Anglia, where would they go. By the way, Eurostar class 373s are already going for scrap.
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Post by norbitonflyer on Oct 31, 2016 0:20:48 GMT
The 125s have all had new engines in the past decade or so, so are not as old as they seem.
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class411
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Post by class411 on Oct 31, 2016 8:14:58 GMT
The 125s have all had new engines in the past decade or so, so are not as old as they seem. To state the blindingly obvious, there is a great deal more to a train that just it's engines/motors. You can't make a tired old train 'new' just by replacing it's traction system. I've often wondered about the age of rolling stock, though. They are a little like medieval axes in that most parts are replaceable, and there is no reason in principle (apart perhaps, from lengthening carriages) why you could not keep a train going for any length of time you wanted to (it would not, of course, make economic [and/or operational] sense, but that's another matter).
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Post by patstonuk on Oct 31, 2016 9:26:22 GMT
The 125s have all had new engines in the past decade or so, so are not as old as they seem. To state the blindingly obvious, there is a great deal more to a train that just it's engines/motors. You can't make a tired old train 'new' just by replacing it's traction system. I've often wondered about the age of rolling stock, though. They are a little like medieval axes in that most parts are replaceable, and there is no reason in principle (apart perhaps, from lengthening carriages) why you could not keep a train going for any length of time you wanted to (it would not, of course, make economic [and/or operational] sense, but that's another matter). Trigger's broom is a more modern example, of course. The HSTs and their Mk3s are actually a good example of how this can work. Scotrail are to take on some GW rakes, modify them for PRM compliance and fit retention toilets. The question of continuing post-800 deployment on GW is still unresolved, with the DfT involved in the decision-making process. However this pans out, informed sources appear confident the Mk3 bodyshells are good for at least another couple of decades.
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Post by A60stock on Oct 31, 2016 10:11:23 GMT
Class 91s are obsolete and suffer many problems - not least only one pantograph on the whole train. There had been proposals to re-use the mk1V coaches but they would have been linked to new locomotives. In the event, the target TOC - Greater Anglia - plumped for new multiple units. So if they don't go to Greater Anglia, where would they go. By the way, Eurostar class 373s are already going for scrap. Are you sure? As I've read that the 373s have been refurbished and relivered to match the newer trains A shame about the 225s though, I feel they are being retired abit early
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Post by crusty54 on Oct 31, 2016 10:52:44 GMT
Class 91s are obsolete and suffer many problems - not least only one pantograph on the whole train. There had been proposals to re-use the mk1V coaches but they would have been linked to new locomotives. In the event, the target TOC - Greater Anglia - plumped for new multiple units. So if they don't go to Greater Anglia, where would they go. By the way, Eurostar class 373s are already going for scrap. Are you sure? As I've read that the 373s have been refurbished and relivered to match the newer trains A shame about the 225s though, I feel they are being retired abit early first trains have already gone www.railmagazine.com/news/fleet/2016/09/20/eurostar-prepares-to-scrap-186mph-class-373s
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Post by norbitonflyer on Oct 31, 2016 11:10:15 GMT
The 125s have all had new engines in the past decade or so, so are not as old as they seem. To state the blindingly obvious, there is a great deal more to a train that just its engines/motors. You can't make a tired old train 'new' just by replacing its traction system. There are plenty of examples around where that is exactly what has happened. Quite a few "Modernisation Scheme"- era locomotives running around with new alternators replacing the original generators (class 37), or new engines (HSTs, class 47 (aka 57) and most recently class 73). Likewise, SWT are replacing the dc motors with new ac packages on their 1980s suburban stock. Bodyshells go on for ever, and interior fittings are relatively easy to update - most Underground stock has been through at least one round of this. But it depends. For example, some class 373s are indeed about to be withdrawn, although I understand others are being refurbished www.railmagazine.com/news/fleet/2016/09/20/eurostar-prepares-to-scrap-186mph-class-373sSome of the shorter "North of London" sets, which have been used on SNCF internal services, have already gone to store. For specialised stock which has been overtaken by technology, 22 years is a good run. The Deltics were in service for only twenty years. The original Japanese Shinkansen sets had a 44 year service life, but no subsequent build has lasted even half that long, some being withdrawn after as little as 18 years. (The oldest currently in service were built in 1997)
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Post by A60stock on Oct 31, 2016 12:05:19 GMT
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Post by countryman on Oct 31, 2016 12:23:11 GMT
Also regarding the intercity 225, what is the issue with having only one panto graph as they still operate up-to 125mph? It shouldn't be too much of an issue to fit a second pantograph. ICE trains in Germany and Austria have 2, but only the rearmost one is used. Also in Austria, some of the 1116 class have 2 pantographs, and I have seen one 1216 with 4. As these locomotives are capable of running on several overhead power systems I wonder whether there is one panto for each system. The 1216s will run in Italy but the 1116s cannot. Also it is interesting that on these locos they always use the rear pantograph.
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rincew1nd
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Post by rincew1nd on Oct 31, 2016 13:16:58 GMT
Pendolinos on the WCML have two fitted, but only use one at a time. The desire for a second pan is in case the first gets damaged, you can switch to the other and then at least get to the next station rather than having to wait to be rescued.
AIUI the rear pan is used because the 'bow-wave' effect of the front of the train can affect contact between the pan and wire when the front pan is in use.
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Post by norbitonflyer on Oct 31, 2016 13:52:15 GMT
Also regarding the intercity 225, what is the issue with having only one panto graph as they still operate up-to 125mph? It shouldn't be too much of an issue to fit a second pantograph. I don't think there is much room on the roof of the class 91 for a second one. And what is at the other end of the train is not a power car but a DVT - essentially one of these or maybe one of these As well as fitting a pantograph to the DVT, you would need to run a 25kV bus line under/over/through all the carriages from the DVT to the locomotive (or a transformer in the DVT and a low voltage power connection). Neither the DVT nor the intermediate Mk4 coaches are designed for this.
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Post by t697 on Oct 31, 2016 13:54:09 GMT
Class 91s are obsolete and suffer many problems - not least only one pantograph on the whole train. There had been proposals to re-use the mk1V coaches but they would have been linked to new locomotives. In the event, the target TOC - Greater Anglia - plumped for new multiple units. So if they don't go to Greater Anglia, where would they go. By the way, Eurostar class 373s are already going for scrap. I've become a moderately frequent user of IC225s and the East Coast HSTs recently. The IC225s have settled into being quite a nice train now as a passenger. I appreciate the single point failure issues and that they are a bit like the Deltics, great for just that one line's duty.
A well maintained HST Mk3 is probably the nicest to travel though. Still got crazy things like having to slide the window down to open the door to remind us of history!
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Post by revupminster on Oct 31, 2016 14:01:12 GMT
The variant bi-mode has been to Plymouth. I bet it did not go through Dawlish at high tide with an easterly wind. Lets hope unlike the Voyagers they are seaworthy. I wonder if seawater will damage the pantograph even though not used beyond Newbury. There are plans to electrify between Newton Abbot and Plymouth as electric traction can handle the hills of South Devon better than diesel.
Some HSTs may be kept by GWR as shortened versions on a planned Exeter-Penzance 1/2 hour service supplementing the new GWR trains and Cross Country services. Cross Country could do with replacing the Voyagers that have to stop running in bad weather.
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Post by domh245 on Oct 31, 2016 14:33:32 GMT
Having a single pantograph isn't really a problem, if you find yourself without it, the train probably isn't going to be able to move anyway, even if it had a second pantograph. A second pantograph does allow you to optimise it better in terms of aerodynamics for the uplift.
A single class 91 has been fitted with 2 pantographs, but it hasn't actually added any flexibility but has meant that the second cab can't be accessed, reducing flexibility.
With pendolinos, the rear pantograph tends to be used so that if a problem with the OHLE is spotted, the driver can lower it in advance. It'll be similar with single IEPs, but double IEPs will use the outside pantographs (IIRC) to make sure that the rear pantograph will keep sufficient contact with the wire despite the oscillations set up from the front pantograph.
As for the resilience of them to Dawlish, they've been specified to withstand salt water ingress so they should avoid the Dawlish problem
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Post by MoreToJack on Oct 31, 2016 16:44:38 GMT
Just to clear up the confusion around the 373s, around 8 trains are to be retained and refurbished (as 'e300's) and the remainder are to be scrapped. One (the first) departed for scrap last week.
The NoL units are all - aiui - stored and will also be scrapped. Indeed, one power car has already been passed to the national collection and is on display at the NRM.
The units are, without a doubt, life-expired and any re-use would not be practicable.
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Post by A60stock on Oct 31, 2016 22:32:42 GMT
Just to clear up the confusion around the 373s, around 8 trains are to be retained and refurbished (as 'e300's) and the remainder are to be scrapped. One (the first) departed for scrap last week. The NoL units are all - aiui - stored and will also be scrapped. Indeed, one power car has already been passed to the national collection and is on display at the NRM. The units are, without a doubt, life-expired and any re-use would not be practicable. Would you also agree on the Intercity 225s being life expired in that case, and if so for what reason?
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Post by crusty54 on Nov 1, 2016 3:53:40 GMT
Nowhere to run.
The Norwich service was the last hope and multiple units have been ordered.
One set will work with Tornado in due course.
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Post by stapler on Nov 1, 2016 8:20:42 GMT
I was disappointed to read when the franchise was renewed that the Norwiches were to go to EMU. There is something "different" about travelling on them with loco haulage. None of the EMUs used on the GEML since the 309s have been at all distinguished for anything beyond maximum sardine can design. If GA have any marketing sense, they will specify an EMU with greater comfort and some outward distinction for their flagship service.
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Post by norbitonflyer on Nov 1, 2016 9:49:37 GMT
I was disappointed to read when the franchise was renewed that the Norwiches were to go to EMU. There is something "different" about travelling on them with loco haulage. None of the EMUs used on the GEML since the 309s have been at all distinguished for anything beyond maximum sardine can design. If GA have any marketing sense, they will specify an EMU with greater comfort and some outward distinction for their flagship service. They may do, but the generic pictures don't look promising
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Post by norbitonflyer on Nov 1, 2016 10:15:20 GMT
Nowhere to run. The Norwich service was the last hope and multiple units have been ordered. One set will work with Tornado in due course. Mark 4 or Mark 3? Either way, I can't see many people parting with good money to ride behind a steam locomotive in air-conditioned isolation. (And it would need a generator van of some kind). At least in a Mark 3 you can still open the droplights in the doors Has a steam locomotive ever hauled Mark 3 or Mark 4 stock? Even mark 2 looks odd, although early (non-air conditioned) mark 2 and 2A stocks, introduced in 1964 and 1967 respectively, could actually have operated with steam haulage in normal British Railways service - I wonder if any ever did? The class 91s have had a good innings at the top on the ECML - 28 years. Compare their predecessors - 125s: introduced 1975 - Deltics: 1961 - Peppercorn A2s: 1946 - A4s: 1935 - A1/A3s: 1922 - C1 Ivatt Atlantics: 1898 (C2) - Stirling singles: 1875
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Post by crusty54 on Nov 1, 2016 12:06:27 GMT
Nowhere to run. The Norwich service was the last hope and multiple units have been ordered. One set will work with Tornado in due course. Mark 4 or Mark 3? Either way, I can't see many people parting with good money to ride behind a steam locomotive in air-conditioned isolation. (And it would need a generator van of some kind). At least in a Mark 3 you can still open the droplights in the doors Has a steam locomotive ever hauled Mark 3 or Mark 4 stock? Even mark 2 looks odd, although early (non-air conditioned) mark 2 and 2A stocks, introduced in 1964 and 1967 respectively, could actually have operated with steam haulage in normal British Railways service - I wonder if any ever did? The class 91s have had a good innings at the top on the ECML - 28 years. Compare their predecessors - 125s: introduced 1975 - Deltics: 1961 - Peppercorn A2s: 1946 - A4s: 1935 - A1/A3s: 1922 - C1 Ivatt Atlantics: 1898 (C2) - Stirling singles: 1875 the chosen set will get a generator van. Top quality dining too.
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Post by trt on Nov 1, 2016 13:09:52 GMT
Just to clear up the confusion around the 373s, around 8 trains are to be retained and refurbished (as 'e300's) and the remainder are to be scrapped. One (the first) departed for scrap last week. The NoL units are all - aiui - stored and will also be scrapped. Indeed, one power car has already been passed to the national collection and is on display at the NRM. The units are, without a doubt, life-expired and any re-use would not be practicable. From Norwich... it's the Sale of the Century!
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Post by A60stock on Nov 1, 2016 13:25:33 GMT
Why are the Stansted express electrostars being replaced already?! Seems like such a waste, unless ofcourse they are going to be cascaded to another part of the uk for use
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Post by stapler on Nov 1, 2016 13:27:27 GMT
They'll be cascaded. Think I heard London Midland mentioned. Must say, the new GA stock doesn't look inspiring. Thanks NF
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Post by phil on Nov 1, 2016 15:19:47 GMT
Nowhere to run. The Norwich service was the last hope and multiple units have been ordered. One set will work with Tornado in due course. Mark 4 or Mark 3? Either way, I can't see many people parting with good money to ride behind a steam locomotive in air-conditioned isolation. (And it would need a generator van of some kind). At least in a Mark 3 you can still open the droplights in the doors The plan the A1 group have involved includes fitting opening windows to the Mk3 set (presumably of the hopper type) so that passengers will still be able to hear the loco. As regards the door droplights, following the incident at Balham, the pressure is on to remove these (either through making the door locks openable from the inside - CDL preventing them being opened unless the train is at a station or by conversion to automic operation as per Chiltern). A crew support coach with generator is also proposed (which would also help with keeping the stock cool / warm while it is in the sidings between runs) - which could be converted from a Mk2 BSO
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Post by phil on Nov 1, 2016 15:26:58 GMT
I was disappointed to read when the franchise was renewed that the Norwiches were to go to EMU. There is something "different" about travelling on them with loco haulage. None of the EMUs used on the GEML since the 309s have been at all distinguished for anything beyond maximum sardine can design. If GA have any marketing sense, they will specify an EMU with greater comfort and some outward distinction for their flagship service. The GEML has well known issues with overcrowding on peak time services plus a very congested infrastructure as you get towards London. A locomotive takes up platform space that could be used to provide more passenger accommodation - the same applies to the DVT (although the MK2 BDSOs did of course include passenger accommodation). With Locos you are also concentrating all your traction power in one place - if it goes wring then you are stuck. A multiple unit with distributed traction packages (particularly bi-mode ones) have far less chance of being stranded due to a failure.
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Post by stapler on Nov 1, 2016 15:37:40 GMT
Yes, that (capacity gain) was the same advantage of the 305s over the N7s 60 years ago. However, it's rather undermined by GA's practice of running 4-car units in the peak shoulders!
Anything leaving Chelmsford between 3 and 4 is vastly overcrowded from school traffic. Mind you, with "a grammar school in every town", that may change!
GA, I still think, would do better to equip their top-of-the range trains with stock other than bog-standard sardine cans. And I suppose they may have to pull something out of the hat to meet the timings they have promised the Govt.
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Post by norbitonflyer on Nov 1, 2016 15:45:49 GMT
Why are the Stansted express electrostars being replaced already?! Seems like such a waste, unless ofcourse they are going to be cascaded to another part of the uk for use Stansted Express never seems to hang on to rolling stock for long. Class 322 1990-2000 (now operating in Northern, after spells in Manchester and Edinburgh) Class 317 2000-2011 Class 379 2011-2019
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Post by A60stock on Nov 1, 2016 15:47:12 GMT
what happened at Balham?
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