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LSL - The Chairman's train: 16/04/25 on, plus 10/10/25

本贴由 free2grice 于 2025-04-16 发布. 版块名称: What's Going On

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  1. 45698Mars

    45698Mars New Member

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    71000 approaching Winwick Junction earlier.

    https://www.flickr.com/photos/90397953@N02/54844674292/in/photostream/
    https://www.flickr.com/photos/90397953@N02/54845780834/in/photostream/
     
    45698Mars, 2025-10-10 , 19:16
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  2. Bodorganboy

    Bodorganboy Member

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    Bodorganboy, 2025-10-10 , 19:32
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  3. wcmlbls1846

    wcmlbls1846 Well-Known Member

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    Update at 2000.

    71000 1Z89 still in Carnforth goods loop.

    37401 1Z90 dep 1948 to Upperby with the chairman's train.

    Andrew N
     
    Last edited: 2025-10-10 , 20:50
    wcmlbls1846, 2025-10-10 , 20:17
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  4. Sidmouth

    Sidmouth Resident of Nat Pres Staff Member Moderator

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    one would like to think that in circumstances like this differences could be put aside to assist steam, and the proximety of Carnforth could be of assistance to 71000.
     
    Sidmouth, 2025-10-10 , 20:47
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  5. LMarsh1987

    LMarsh1987 Part of the furniture Friend

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    Going through Lancaster and the issue can be heard clear as day !
     
    LMarsh1987, 2025-10-10 , 20:59
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  6. MellishR

    MellishR Resident of Nat Pres Friend

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    There the bang seems to be once per revolution of the driving wheels, whereas in David's video from Leyland there's a somewhat different sound once per several revolutions.
     
    MellishR, 2025-10-10 , 21:37
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  7. steamingyorkshire

    steamingyorkshire Well-Known Member

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    One from a little further back at Lancaster (not my video)
     
    steamingyorkshire, 2025-10-10 , 22:05
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  8. Sidmouth

    Sidmouth Resident of Nat Pres Staff Member Moderator

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    looking on Traksy , 71000 looks as if it is sat in the loops at Carnforth . A different time and could have been sat on 10A
     
    Sidmouth, 2025-10-11 , 08:29
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  9. 45698Mars

    45698Mars New Member

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    Sadly, I don't think that's going to happen.
     
    45698Mars, 2025-10-11 , 08:34
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  10. acorb

    acorb Part of the furniture

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    You would hope someone might have loaned them a spanner over the fence..;)

    I still chuckle at the sight of the LSL liveried 57 hauling West Coast branded stock at the SVR diesel gala, anything can happen on neutral ground!!
     
    acorb, 2025-10-11 , 08:40
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  11. acorb

    acorb Part of the furniture

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    I hope the issue with 71000 isnt too serious and it can soon be back & meet its commitments for the rest of the year. There's something about The Duke that excites me even more than most steam locos, I think its a loco we are still learning about.
     
    acorb, 2025-10-11 , 08:44
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  12. Big Al

    Big Al Nat Pres stalwart Staff Member Moderator

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    Another non-expert view coming up. The noise is a panting sound that sounds like steam not exhausting as it should. @osprey suggests a poppet valve and he could be correct. The good news is that I don't believe such valves need lubrication, so any mechanical hiccup is hopefully not a serious one. Caprotti valve gears are clever but tricky.
     
    Big Al, 2025-10-11 , 09:19
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  13. osprey

    osprey Resident of Nat Pres

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    Everything that moves needs lubrication, either dynamically or hydrostatically...
     
    osprey, 2025-10-11 , 09:38
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  14. Big Al

    Big Al Nat Pres stalwart Staff Member Moderator

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    Don't let's digress but I'm not certain you are correct on that. My comment was really to do with what happens when a key component loses its lubrication. I always thought that a poppet valve was different. I'll leave you to visit Google. :)
     
    Big Al, 2025-10-11 , 09:46
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  15. LMarsh1987

    LMarsh1987 Part of the furniture Friend

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    And it was all going so well. In hindsight I wonder if those involved wish they opted for that final test run on Thursday. Anyway, here's some brief shots of the Duke on a charge !
     
    LMarsh1987, 2025-10-11 , 10:00
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  16. Sheff

    Sheff Resident of Nat Pres

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    No need to Google.

    Poppet valves are akin to four stroke i/c engine valves. Whilst the valve/port seat face doesn’t need lubricating as there’s no sliding contact, the valve actuating stem must certainly does.

    IIRC on Caprotti gear, the whole cam box is oil-filled, which will lubricate the valve stem from above.
     
    Last edited: 2025-10-11 , 18:55
    Sheff, 2025-10-11 , 11:47
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  17. osprey

    osprey Resident of Nat Pres

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    Indeed. I think the statement is misleading and should refer to the valve seat, which requires no lube, whereas piston valve rings do...
     
    osprey, 2025-10-11 , 11:53
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  18. Keith Sergeant

    Keith Sergeant Member

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    I shot this through a train window this morning

    _DSC4025.jpg
     
    Keith Sergeant, 2025-10-11 , 14:50
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  19. staffordian

    staffordian Well-Known Member

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    staffordian, 2025-10-11 , 14:54
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  20. osprey

    osprey Resident of Nat Pres

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    osprey, 2025-10-11 , 15:03
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