Transport for Wales 769's

Discussion in 'Traction & Rolling Stock' started by MatthewRead, 16 Mar 2019.

  1. PHILIPE

    PHILIPE Established Member

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    No, apart from the same group as the previous report. I cannot reproduce somebody else's pictures.
     
  2. Benjaminmorgan

    Benjaminmorgan Member

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    I like the class 769 to be on the Ebbw Vale services
     
  3. PHILIPE

    PHILIPE Established Member

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    They won't be. They will be on Rhymney services where 4 carriages are required. The whole purpose of their transfer is to provide capacity where Ebbw Vale, apart from peak times. would be overkill
     
  4. Cambrian359

    Cambrian359 Member

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    How many 769 sets are needed to run a full rhymney line service ?
     
  5. Dai Corner

    Dai Corner Established Member

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    Would I be correct in thinking that Ebbw Vale trains are crewed by a different depot/link to Valley Lines so there won't be anyone who signs both route and traction (barring any who may have transferred)?
     
  6. Cardiff123

    Cardiff123 Member

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    Hopefully the 769s will be used all day rather than just doing peak morning and evening runs and then sitting in Canton all day.
     
  7. PHILIPE

    PHILIPE Established Member

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    Cardiff has two depots but under the same management. Cardiff Valleys and Main Line, the latter cover Ebbw Vale. But they won't be going to Ebbw Vale, well for the immediate future
     
  8. Kyle1

    Kyle1 Member

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    I'm guessing they will do if TFW are getting 9 units. For peak times only they'd probably only need 5 (4 in service and a spare).

    Are they cleared to run through to Penarth or will there be issues? Also, later in the night some Rhymney valley services go down to Barry Island so would they be run by 769's or 150s?
     
  9. Cardiff123

    Cardiff123 Member

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    I don't know if the 769s are cleared to Penarth or Barry. The curves around Grangetown and Barry to Barry Island are pretty tight if the 769s have problems on curves.
    If the 769s can't work to Penarth, then Penarth trains could work to Treherbert instead with Bargoed and Rhymney trains terminating at Central, but that would mess up timetables.
     
  10. tomos dafis

    tomos dafis Member

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    People will have to forgive my ignorance here. I have looked carefully at and compared the specifications for class 150's and 319/769's. The wheelbase lengths on both types are identical, the carriages on the 319/769 's are slightly shorter than those of the 150's. So why should the 769's have problems on curves which 150's have been navigating for decades? I would be genuinely pleased if someone can enlighten me as to other factors which might influence the 769's ability to negotiate curves (couplings for example?). In terms of general clearance issues, we have heard that exhaust stacks on the 769's were a problem and required modification, but the 769 carriages are about 20 cm less in height and only 4 mm wider than those of a 150. Can such a small width difference be critical at some locations? Any enlightenment would be genuinely welcome.
     
  11. R G NOW.

    R G NOW. Member

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    Any likelihood some will replace the ones on the Measteg to Cheltenham spa runs?.
     
  12. PHILIPE

    PHILIPE Established Member

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    They will be alright if they are required to go. Any modifications should be small and they would get done.
     
  13. Cardiff123

    Cardiff123 Member

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    If the 769s don't make it to Barry or Bridgend via the VoG, it's more likely to be because initially only Rhymney crews will be trained on them. That might change in future, but bare in mind that the 769s will only be around for 3 - 4 years and the immediate priority is to get them out on the Rhymney line to release 150s for PRM mods and pairs of Pacers to cover elsewhere, and from January, 769s will be taking over the Rhymney 37+Mk2 runs.
     
  14. PHILIPE

    PHILIPE Established Member

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    No. For the umpteenth time as they will only be on routes where 4 cars are required.
     
  15. MatthewRead

    MatthewRead On Moderation

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    Already inquired about that it was mooted but I think they confined to the Rhymney services.
     
  16. Kyle1

    Kyle1 Member

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    Class 170's cascaded from Greater Anglia will be running those services from late October iirc.
     
  17. PHILIPE

    PHILIPE Established Member

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    There will probably be no more 150s going for PRM Mods than there are now. The Works can only do so many at one time.
     
  18. R G NOW.

    R G NOW. Member

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    So what will happen to their 158s then?.

    Also thought it would be the end of the dreaded pacers, as sometimes 1 appears on route Cheltenham.
     
  19. yorkie

    yorkie Administrator Staff Member Administrator

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  20. geoffk

    geoffk Member

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    Once electrification to Cardiff is complete, couldn't they use them on the Maesteg - Cheltenham service and get some electric working out of them?
     
  21. Cardiff123

    Cardiff123 Member

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    It's been said many times before that ATW and TfW did not order 769s for electric working, they were ordered for extra capacity as DMUs where needed most in the south which is on the Valleys, specifically the Rhymney line, as said many times already
     
  22. tomos dafis

    tomos dafis Member

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    They could only run electrically for a short portion of the journey i.e. Cardiff - Severn tunnel Junction, so the costs including staff training and maintaining the pantographs are probably not justified. In capacity terms, Cardiff-Newport-Chepstow are already also connected to Cheltenham and Gloucester by regular Cross-Country 170's to Birmingham/Nottingham so using 4-car 769's on TFW trains on this route would be overkill, as has already been said more than once. Already, just at peak times an additional 153 can be added to a 2-car set for extra capacity.
     
  23. EE Andy b1

    EE Andy b1 Member

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    As far as i know, not one Class 769 has run under it's own power on Network Rail metals. In duel mode as Northern will (want to) use them they can perhaps stay out all day, mainly on electric but diesel when required.
    TfW are to use 769s just to cover for other diesel units on the routes mentioned. Will the fuel tanks be big enough and do we think the Gen sets will be reliable enough to work the Rhymney and Valley lines?

    I know, time will tell and once out testing/crew training (hopefully), we will all know a little bit more, but they need to get off the shed first.
     
  24. Cardiff123

    Cardiff123 Member

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    TfW have been shunting 769s around Canton under their own power in the last few weeks
     
  25. PHILIPE

    PHILIPE Established Member

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    They probably won't go out on the Main Line until driver training starts in September
     
  26. a_c_skinner

    a_c_skinner Established Member

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    Serious question, don't they need to accumulate fault free mileage first?
     
  27. Cambrian359

    Cambrian359 Member

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    Why September before training starts ? If the current issues are only minor why several more months before training even starts?
     
  28. PHILIPE

    PHILIPE Established Member

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    It is Rhymney drivers who will be training at the outset and they are currently going Class 37 training. This is all supposition mind you.
     
  29. JN114

    JN114 Established Member

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    I thought that was predominantly the purpose of running on the GCR.
     
  30. a_c_skinner

    a_c_skinner Established Member

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    Perhaps? Does that "count". I'd assumed they'd need more miles at higher speeds and each unit would need some miles prior to acceptance.
     

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