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30777 to be overhauled

Discussion in 'Steam Traction' started by 5944, Jul 22, 2020.

  1. Dan Hill

    Dan Hill Part of the furniture

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    Having read the article about it in Steam Railway, it seems that the BR Green will be with the early crest rather than the late crest the loco carried during the last two tickets,
    so will be a nice small difference.
     
    Last edited: Jul 29, 2020
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  2. Steamage

    Steamage Part of the furniture

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    IIRC, 777's gauging problem is not width over the cylinders as such but rather the "throw" at the front. It was explained to me that the cylinders are quite a long way ahead of the leading driving axle and therefore sometimes scrape against inward-curving platform edges. Does that make sense?
     
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  3. Flying Phil

    Flying Phil Part of the furniture

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    Work has continued in Lbro shed and all the boiler tubes should be out by now so the boiler can be inspected.
     
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  4. Flying Phil

    Flying Phil Part of the furniture

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    Progress on stripping down. Some of the boiler cladding has been removed and the tender has been moved to a different road in the shed.
     
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  5. Big Al

    Big Al Nat Pres stalwart Staff Member Moderator

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    What you describe doesn't just scupper some routes for 777.
     
  6. 30854

    30854 Resident of Nat Pres

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    I'd imagine that's a tad bothersome for any loco with outside cylinders and a copper capped chimney too. It's remarkable just how much many gauging issues have resulted from often seemingly trivial changes on the 'big railway' over the last five-plus decades. Heavier section rail and deeper ballast here and the odd realigned curved platform road there.
     
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  7. Flying Phil

    Flying Phil Part of the furniture

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    DSC00881.JPG Here is 30777 today in Lbro shed.
     
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  8. class8mikado

    class8mikado Part of the furniture

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    You would think NR would be constantly striving to increase clearances to allow larger/ longer rolling stock not the other way round.
     
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  9. pmh_74

    pmh_74 Well-Known Member

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    Why? On the modern fragmented railway, it's up to the rolling stock providers & operators to either fit the existing railway or fund any necessary upgrades.
     
  10. class8mikado

    class8mikado Part of the furniture

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    Yes, you are right there, makes completely brand new infrastructure almost make sense...
     
  11. Flying Phil

    Flying Phil Part of the furniture

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    777 boiler is now removed and is sitting outside Lbro shed.
     
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  12. Jimc

    Jimc Part of the furniture

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    Sliding doors. Since sliding doors there have been a good number of passenger entrapment resulting in a fall between platform and train. Hence they are working hard to keep the clearance down.
    Interestingly not long ago I saw a profile of actual platform clearances against current spec and it amazed me how few were within spec, too high, too low, too far, the majority were out of the desired range!
     
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  13. 35B

    35B Nat Pres stalwart

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    But on the other hand, there are longer (IEPs are 26m) and more capacious trains out there.


    Sent from my iPhone using Tapatalk
     
  14. 30854

    30854 Resident of Nat Pres

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    Everything crossed in hope of nothing (too) unexpected being revealed. Does anyone please have any idea how old the boiler is, or what significant work it's needed in the past?
     
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  15. Flying Phil

    Flying Phil Part of the furniture

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    Here is a picture of the boiler taken yesterday.
    DSC01032.JPG
     
  16. S.A.C. Martin

    S.A.C. Martin Part of the furniture

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    We are doing that. The issue is wheelbase and front/end throw of older vehicles compared to new ones. Look at the class 800s for example. Modern rolling stock design principles have really moved on since the steam locomotive, unsurprisingly. The balancing act for platform design too has changed with accessibility for passengers and reducing dwell times the main points.
     
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  17. goldfish

    goldfish Nat Pres stalwart

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    Looks fine. Get it back in.

    ;)

    Simon
     
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  18. Dunfanaghy Road

    Dunfanaghy Road Well-Known Member

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    I am intrigued by the Malachite Green livery and the Fratton (70D) shedplate.
    Pat
     
  19. 5944

    5944 Resident of Nat Pres

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    It does seem a bit daft that rolling stock policy is defining the state of the infrastructure, rather than designing new trains to fit what already exists.
     
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  20. GWR4707

    GWR4707 Nat Pres stalwart

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    I know its been done to death (and then some!) on here before, but from the coal face. Say something like a Hall, now they don't fit very well, but they appear to have fitted a lot better in a wider area say 5 years back, aren't NR supposed to inform operators of a network change to allow comments before doing it, I know it was a bug bear of a rather vociferous previous poster on here that NR were quietly reducing the loading gauge over time?
     

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