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Journey by Journey => Cross Country services => Topic started by: anthony215 on September 11, 2011, 11:48:10



Title: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: anthony215 on September 11, 2011, 11:48:10
This has appeared on the gaurdians website and is now spreading like wildfire on various railway forums.

http://www.guardian.co.uk/business/2011/sep/11/bombardier-120m-crosscountry-trains-deal

Nice idea in theory especially if the units get an extra carriage so more seats which may help provide some relief to overcrowding. Pity the DFT didnt decide to spend some money on some extra class 172's I am sure FGW would have liked those 11- 4 carriage sets for the Cardiff - Portsmouth Hbr route.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 11, 2011, 11:59:45
It's probably at least two years since this was first proposed, but there is some evidence that it is being seriously considered, because Hammond has just mentioned it positively to the Transport Select commitee...

Paul


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: JayMac on September 11, 2011, 12:08:36
Slightly misleading thread title. This is a feasibility study at the moment. Nothing more.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: 6 OF 2 redundant adjunct of unimatrix 01 on September 11, 2011, 12:37:43
i hope if they do get the contract that this is justified by them fixing the faults on the bag of crap vomiters they subjected us to in the first place


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Chris from Nailsea on September 11, 2011, 18:52:12
Slightly misleading thread title. This is a feasibility study at the moment. Nothing more.

Fair comment: I've amended the topic heading accordingly.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: bobm on September 12, 2011, 00:01:31
I've learnt something new today..

From the  BBC (http://www.bbc.co.uk/news/uk-england-derbyshire-14870787)

Quote
The Cross Country railway line runs from Penzance to Aberdeen.

When I was a full time journalist I'd have been shot for writing that. :o


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: IndustryInsider on September 12, 2011, 13:12:31
It does seem like a win-win-win-win-win situation:

  • A win for the passengers in terms of added capacity on routes which are regularly very overcrowded resulting in passengers standing for long periods even outside the peak hours.
  • A win for the TOC's as Cross Country (and perhaps Virgin) will be able to grow their markets better with the added capacity, and also operate the trains more cheaply when under the wires.
  • A win for the environment.  At a guess over 50% of the routes XC's Voyagers and Super-Voyagers regularly travel on are electrified.  Probably nearer 75% of Virgin's routes.
  • A win for the government as it will take the heat off of them regarding Bombadier.
  • And a win for Derby's Bombadier plant as it will mean at least some of the workforce will be retained, pending their attempt to win the big future orders for Crossrail, replacement of Pacers/Sprinters etc.

Even issues such as platform lengths will be few and far between as Reading's bay platforms (maximum 5-car length) will be a memory by then with all the extra full-length through platforms to accommodate them.  I will watch this one develop with great interest...


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Btline on September 12, 2011, 13:19:12
It does seem like a win-win-win-win-win situation:

  • A win for the passengers in terms of added capacity on routes which are regularly very overcrowded resulting in passengers standing for long periods even outside the peak hours.
  • A win for the TOC's as Cross Country (and perhaps Virgin) will be able to grow their markets better with the added capacity, and also operate the trains more cheaply when under the wires.
  • A win for the environment.  At a guess over 50% of the routes XC's Voyagers and Super-Voyagers regularly travel on are electrified.  Probably nearer 75% of Virgin's routes.
  • A win for the government as it will take the heat off of them regarding Bombadier.
  • And a win for Derby's Bombadier plant as it will mean at least some of the workforce will be retained, pending their attempt to win the big future orders for Crossrail, replacement of Pacers/Sprinters etc.

Even issues such as platform lengths will be few and far between as Reading's bay platforms (maximum 5-car length) will be a memory by then with all the extra full-length through platforms to accommodate them.  I will watch this one develop with great interest...
;D


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: smokey on September 12, 2011, 14:23:31
And lets not forget that additional Win,

Able to keep running when the Wires are down!


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: 6 OF 2 redundant adjunct of unimatrix 01 on September 12, 2011, 14:29:34
added bonus for xc is they could off hire/sell the hst's ...... noo they wouldnt do that??


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: ChrisB on September 12, 2011, 14:38:12
not theirs to sell, are they?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: brompton rail on September 12, 2011, 14:43:21
Why would any contract go to Bombardier?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: ChrisB on September 12, 2011, 14:49:04
to quell the job losses/pressure on HMG


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: IndustryInsider on September 12, 2011, 14:51:58
And because Bombadier built the original trains.  It's their design.  I doubt any other manufacturer would even bother to tender - should tendering even be necessary to lengthen an existing fleet?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: 6 OF 2 redundant adjunct of unimatrix 01 on September 12, 2011, 14:54:10
not theirs to sell, are they?

i don't know chris hence the 'off hire/sell' section of my comment


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: JayMac on September 12, 2011, 16:07:38
Why would any contract go to Bombardier?

Because I'm sure Bombardier have the original crayon drawings for the 22x stock somewhere in their possession.  :P ;) ;D


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 12, 2011, 17:06:15
And because Bombadier built the original trains.  It's their design.  I doubt any other manufacturer would even bother to tender - should tendering even be necessary to lengthen an existing fleet?

I really don't think it is necessary for a tender to be issued for what would be a modification to an existing unit.  What could be necessary is a financing tender, but even then that would only seem sensible if the Rosco stayed the same - because the Rosco deals with the long term maintenance of the units.

The original build contract was between the Rosco and Bombardier - and as we mostly suspect, the reason the end cars were A and F on the 220/221 fleet as delivered was probably to allow for them to be lengthened (as well as making reservations compatible). 

It is possible (although I admit it's not likely) that there is an extant contract allowing for a future call-off of more intermediate carriages.

Paul


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Btline on September 12, 2011, 17:07:56
Because I'm sure Bombardier have the original crayon drawings for the 22x stock somewhere in their possession.  :P ;) ;D

Nah - the plans were drawn using wax crayons. ::)


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: 6 OF 2 redundant adjunct of unimatrix 01 on September 12, 2011, 17:11:18
so would this just be the 4 car units or are we also including the 5 car units making them 6 car ... also with the 221's i hope despite the fact that tilt has been deactivated that the new stock will have the capability just incase !


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 12, 2011, 17:30:33
For capacity reasons it would seem to be great to have loads of 6 car Voyagers, but I can think of two potential issues.  One is whether or not only 4 carriages with diesel engines out of 6 could accelerate and move the train properly. (I expect 5 engines from 6 is intuitively OK though.) Secondly, without major infrastructure work running two 6 car units in multiple would be problematical, as your typical 'full length' platform is only good for 12 x 20m carriages, not 12 x 23m.  Unless of course you gave them SDO to individual carriage level - like SN have - but that is a bit awkward if typical XC pax travelling with the kitchen sink have to heave their luggage half way round the train, but OTOH it is not that far removed from FGW's HST's with SDO is it.

I suspect if it was to happen you'd end up with 5 car 220s, 6 car 221s, and only 220s would ever run in pairs - just because that seems the most straightforward solution...

Paul


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: IndustryInsider on September 12, 2011, 17:44:38
One is whether or not only 4 carriages with diesel engines out of 6 could accelerate and move the train properly.

There's huge engine redundancy built in to the design.  Voyagers regularly run around with an engine or two out and can pretty much keep to the schedules.  A worst general case scenario would be two engines out in a 5-car train, i.e. only two working, and even then I don't think there would be more than a few minutes delay - after all, there wouldn't be many sections of what would be the diesel powered routes that are passed for more than 110mph.  I've driven an Adelante (similar power) with only two engines working before with little noticeable delay and even managed to reach over 100mph with the bugger.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Ollie on September 13, 2011, 01:39:35
And lets not forget that additional Win,

Able to keep running when the Wires are down!
Unless they are covering the track of course.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: broadgage on September 13, 2011, 12:43:25
Sounds a good idea, but things do not allways work out so well in practice.
Voyagers are still nasty though ! even with an extra vehicle.

If this goes ahead, could two sets run in multiple on electric power ? I though that at more than 100MPH only one pantograph could be used on a train.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Tim on September 13, 2011, 12:58:36
.
 I though that at more than 100MPH only one pantograph could be used on a train.

That is my understandig too.  The first pantograph "wobbles" the wire and the second pantograph therefore has trouble with maintainign good contact.   

The only UK trains with two pantographs are the Eurostar stains, but the distance between the two locos is so far that this isn't such an issue (plus OL tension is higher on HS1)

O


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 13, 2011, 13:17:01
The question of multiple pantograph effects at greater than 100 mph is being addressed with various ongoing trials.  ECML are about to repeat earlier trials with a Cl 91 loco on both ends of a train, and LM have just issued an ITT to trial 3 pans in use on 3 x 350s running at 110 mph - obviously 12 car EMU sets already run with 3 pans up at 100 mph routinely, on the southern sections of the WCML and ECML.  It is probable that there isn't a sudden cutoff speed at exactly 100 mph though,  it's just that's the max speed normal EMUs have historically had.

AIUI the 2 x 91 trial is a repeat, previously undertaken in 2008, and is specifically about running 2 x 5 car IEPs together, presumably this would be the outer pans on the overall 10 car train.

Paul 


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: inspector_blakey on September 13, 2011, 15:37:56
I'm ready to be shot down here by those who know better than I do, but I could have sworn that 390s on the WCML operate with two pantographs up...


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Tim on September 13, 2011, 16:33:20
I'm ready to be shot down here by those who know better than I do, but I could have sworn that 390s on the WCML operate with two pantographs up...

I don't know about that I'm affraid.  Seems odd to be though because it would be unnecessary becaus ethe 390 has traction current conductors running the whole length of the train anyway to deliver power to traction motors in intermediate vehicles.

 


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Tim on September 13, 2011, 16:35:34
even if muliple 220 couldn;t run with two pans up, I am not sure that would be a show stopper.

A minority of 220s run in multiple, and of those that do one might imagine that the unit with the pan up could provide a majority to the power anyway with the non-pan up vehicle only needing to use its engines during accelaration.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 13, 2011, 16:51:40
I'm ready to be shot down here by those who know better than I do, but I could have sworn that 390s on the WCML operate with two pantographs up...

I don't know about that I'm affraid.  Seems odd to be though because it would be unnecessary becaus ethe 390 has traction current conductors running the whole length of the train anyway to deliver power to traction motors in intermediate vehicles.


I won't say they can't run with two pans up, but they don't in normal circumstances.  As you say there'd be no advantage to having both up, as there is an HV busline connecting the two pan fitted cars, but they are also probably far too close in terms of their on train positions at 125 mph (3 and 7 of the 9 car train, which will become 3 and 9 of the 11 car version).  That is a major difference to the 2 x Cl 91 trial, where the two pans have 9 cars between them...

Paul


Title: Bombardier offered fresh hope with ^120m CrossCountry deal
Post by: woody on September 15, 2011, 10:00:55
Bombardier could be thrown a lifeline by the Department for Transport (DfT) with a ^120m train order that would preserve hundreds of jobs at the manufacturer's Derby plant.A DfT spokesperson said: "The DfT is looking into the possibility of upgrading the existing fleet of diesel CrossCountry Voyager trains by adding an additional carriage with a pantograph. This would enable the upgraded train to run using electric power provided by the overhead lines. We have asked the industry to lead a short initial study into whether this is technically feasible and whether there would be a good business case, which provided value for money."

http://www.guardian.co.uk/business/2011/sep/11/bombardier-120m-crosscountry-trains-deal


Title: Re: Bombardier offered fresh hope with ^120m CrossCountry deal
Post by: paul7575 on September 15, 2011, 10:21:32
Already running, but possibly not in the appropriate forum...

Paul




Edit note: Topics now moved and merged here: thanks, Paul.  :)


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: smokey on September 15, 2011, 13:24:47
Run any Stock with 2 pantographs up that have HV jumpers linking the 2 power cars and you have a BIG problem:

What happens when the Train pass through an OHL Isolation point?

You join 2 different supply areas together, If not in Phase BOOM!

If a train has both Pantographs up and runs into a section where the OHL has tripped due to a fault, the trains transformers would be overloaded.

Also I have a sneaking suspicion that running with both Pantographs up would OVERLOAD the transformers during heavy demand on the OHL, Parrellel Circuits come to mind.



Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: northwesterntrains on September 15, 2011, 14:31:06
At a guess over 50% of the routes XC's Voyagers and Super-Voyagers regularly travel on are electrified.  Probably nearer 75% of Virgin's routes

I'd imagine it's more than 75% on Virgin:
* 100% of Scottish Voyagers routes are under the wires (except during engineering works)
* 90% of the Chester-London route is under the wires
* 2/3rds of the Holyhead-London route is under the wires but not that many services run between Holyhead and London.
* Around 1/2 of the Birmingham to North Wales is under the wires but Virgin only run one return working a day on this route.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 15, 2011, 15:36:56
Run any Stock with 2 pantographs up that have HV jumpers linking the 2 power cars and you have a BIG problem:

That explains immediately why it doesn't happen then...

Paul 


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: 6 OF 2 redundant adjunct of unimatrix 01 on September 15, 2011, 15:52:42
anyone else remember the days when cross country services would be a class 86/87 from manchester to birmingham new street and then a class 47 would take over?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: JayMac on September 16, 2011, 15:59:02
From the BBC (http://www.bbc.co.uk/news/uk-england-derbyshire-14947244):

Quote
Bombardier: Doubts over Derby factory's CrossCountry hopes

Bombardier does not have the facilities at its Derby factory to carry out work it has been invited to bid for by the government, the BBC understands.

The Department for Transport (DfT) said the firm could protect jobs by securing a deal to upgrade CrossCountry trains.

The work would involve building new steel carriages but the plant is only equipped to weld aluminium, BBC Derby's political reporter Chris Doidge said.

Bombardier said it had not decided where it might build the carriages.

The CrossCountry project, worth about ^120m, would involve adapting a fleet of 57 trains to allow them to partly run on electric power from overhead lines.

However, industry experts have said upgrading the factory to handle steel might not be commercially viable.

Mr Doidge said one alternative would be for the company to build the shells at its factory in Bruges, in Belgium - where the CrossCountry trains were originally made - and ship them to the East Midlands to be finished.

This would mean about 70% of the project would be completed in Derby.

Alternatively, the entire upgrade could be carried out in Belgium.

The Department for Transport said it anticipated that, if the work went ahead, it could largely be delivered in the UK.

However, under EU procurement rules, the government cannot insist on where a contract is fulfilled.

A Bombardier spokesman said: "We welcome that they (the DfT) are looking at this opportunity.

"Where we would build the trains is a bit further down the line. We will look at it at the point of bidding."

It is widely expected the design work for the upgrade will be done in Derby.

About 1,400 jobs are under threat at the Derby plant after the company lost out to Siemens as the government's preferred bidder for the ^1.4bn Thameslink contract.

Last week, 200 Bombardier workers, campaigners and politicians travelled to Westminster to put pressure on the government to rethink the decision.

But Transport Secretary Philip Hammond said the train contract would not be reviewed or put out to tender again.

The Canadian-owned firm employs 3,000 people in Derby.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: ChrisB on September 16, 2011, 16:04:45
So if its only a lego-job in Deby, I wonder how many people they need / will still let go?

Bit of a botch....


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: inspector_blakey on September 16, 2011, 17:00:38
Run any Stock with 2 pantographs up that have HV jumpers linking the 2 power cars and you have a BIG problem:

Well that would explain it then. Doesn't necessarily preclude running two electric 'voyagers' in multiple with pans up becuase I'm guessing there won't be a high-voltage bus between them (after all, happens with plenty of other EMUs all the time, albeit at a maximum of 100 mph). I know it sounds like there are other issues that may stop that working for voyagers, but is the difference in speed between 100/110/125mph really so critical...?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: IndustryInsider on September 16, 2011, 18:36:06
So if its only a lego-job in Deby, I wonder how many people they need / will still let go?

This might offer further hope for Derby?

http://www.southernrailway.com/southern/news/southern-launches-competition-for-130-new-carriages/ (http://www.southernrailway.com/southern/news/southern-launches-competition-for-130-new-carriages/)


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: Rhydgaled on September 16, 2011, 20:29:31
Is there any reason why extra vehicles for Voyagers have to be made out of the same metal? Could you build the extra coaches using aluminium? Of course there can be problems of rapid corrosion using two different metals next to each other, but would the gap between the coaches be big enough to avoid those sorts of things?

Or perhaps Bombardier could strike some sort of sub-contracting deal with a UK factory that can handle steel for that part of the project. Some of what I've read about Wabtec/Brush sounds as if they might be able to handle train building but choose not to, so perhaps they could help Derby build rolling stock in the UK?


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: broadgage on September 17, 2011, 10:03:08
I am not aware of any reason that requires different vehicles in a train to built of the same material.
Use of steel and aluminium in close proximity does indeed promote corosion, but "close proximity" is generally understood to mean the two materials bolted or riveted together, not adjacent vehicles of a train.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: ellendune on September 17, 2011, 13:00:45
I am not aware of any reason that requires different vehicles in a train to built of the same material.

The only reason as far as I can see is that if you change the material it is a totally new design so there would be
the additional design costs and a new safety case would be required.   


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 17, 2011, 14:57:36
Well that would explain it then. Doesn't necessarily preclude running two electric 'voyagers' in multiple with pans up becuase I'm guessing there won't be a high-voltage bus between them (after all, happens with plenty of other EMUs all the time, albeit at a maximum of 100 mph). I know it sounds like there are other issues that may stop that working for voyagers, but is the difference in speed between 100/110/125mph really so critical...?

As I mentioned earlier, there are 110mph trials about to be done with LM 350s, they do mention possible running at 110mph in the announcement about the 18 new trains for them (LM) and for TPE Manchester/Scotland services, and there are trials about to be repeated with a Cl 91 loco with pan up at both ends of a Mk4 set.  The latter is apparently to assess running 5 car IEPs in multiple under the wires, IIRC they will also be able to have pans up on coach 1 and 10, because each unit will have two pans fitted.

In the case of two Voyagers, the problem is that if they actually fit just one pan on one new carriage, a coach E for example, the distance apart will be pretty random...

Paul


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: JayMac on September 17, 2011, 16:08:56
Why just pantograph carriages? Why not also build some more standard carriages as well? Lengthen the whole XC fleet of Class 220/221s to 6/7 vehicles. No need to worry about running in multiple then.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 17, 2011, 16:56:58
You have to look at whether or not the train can maintain time with its reducing ratio of diesel engine cars to trailers as you add extra coaches, eg: 
A 221 as 5+1 might be OK but a 220 as 4 + 2 could be marginal.
A 221 as 5+2 might be marginal and a 220 as 4 + 3 impossible, IYSWIM...

Paul


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: JayMac on September 17, 2011, 17:35:11
I was thinking of additional vehicles including a Cummins and traction motors. Not unpowered.


Title: Re: Feasibility study: Bombardier to fit crosscountry class 220/221's with pantograph cars
Post by: paul7575 on September 17, 2011, 18:46:11
I was thinking of additional vehicles including a Cummins and traction motors. Not unpowered.

No problem in that case - I just used the opposite interpretation of 'standard carriage'...

Paul



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