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West Somerset Railway General Discussion

Discussion in 'Heritage Railways & Centres in the UK' started by gwr4090, Nov 15, 2007.

  1. ianh

    ianh Member

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    back in the early days 5572 seemed to be able to cope rather well running full line...

    I recall the Minehead drivers seemed happy after the running gear had been "run in"
     
  2. Pete Thornhill

    Pete Thornhill Resident of Nat Pres Staff Member Administrator Moderator Friend

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    If forgotten that one - 1987?
     
  3. green five

    green five Resident of Nat Pres

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    1986 & 1987 I think according to a search on Google. The search also found that 5572 worked on the Main Line in 1985 when she went to an open day at Reading Depot under her own steam. Never knew about that before.

    Sent from my XQ-BT52 using Tapatalk
     
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  4. Bayard

    Bayard Well-Known Member

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    Ah, apologies, I had the wrong "too heavy" loco, I meant 9466, however, @ruddingtonrsh56 has made that point for me.
     
  5. Bayard

    Bayard Well-Known Member

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    If only there were still watering facilities at Williton.
     
  6. johnofwessex

    johnofwessex Resident of Nat Pres

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    It was said earlier that a few years ago when the WSR 'Front Line' motive power was a 45XX & a Standard 4 Tank that while the 45XX could do the job, the maintenance bills were rather high as it was being flogged to the limit.

    Also when the Tysley 57xx was on the WSR, it seemed to handle the Ex Minehead diagram which doesn't require as large a train as the ex Bishops Lydeyard ones. Oh and nice though it was, it did have to stop for a long breather at Washford when I went
     
  7. Maunsell907

    Maunsell907 Member

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    For the record the Modified Halls ( i.e.6959 onwards ) are marginally heavier.

    At the risk of teaching how to suck eggs ;

    I note the postings re. tractive effort. TE is not a measure of power ( it is based on
    an arbitrary formula that arguably equates to torque ). It is at its maximum at the first
    instant of movement. Simplistically the higher the TE the greater the load that can
    be started.

    ( TE formula has coupled wheel diameter below the line. As a example of how TE
    was used for promotional purposes in the past the GWR wished, using accepted
    nomenclature, for the King Class to have a TE > 40,000, so the coupled wheels
    were non standard 6 ft 6 inches diameter , rather than 6 ft 8 inches as per the
    Stars and Castles. ).

    it is the power of a loco that defines a loco ability to maintain schedule (on the
    larger Heritage Railways. to attain and sustain 25 mph on the ruling gradient ).

    Stating the obvious: it is the ability to boil water that characterises a loco; a function
    of grate area and boiler evaporation area. ( inter alia boiler pressure, that is
    saturation temperature, degree of superheat and how efficiently the steam is
    then used effect the ultimate power developed )

    The 55 xx 2-6-2 tanks have a reliable maximum sustainable equivalent drawbar
    horse power of c.550. During August 2002, when loco resources were restricted
    on the WSR to Nos 5542, 5553 and 80136, the 2-6-2 tanks maintained schedule
    with seven coach trains, but there was little to spare and crews had to be very
    much on the ball.

    As comparisons: max sustainable EDHP for a 51xx large Prairie is 800-850 EDHP
    and for a 49xx Hall c.1100. Working locos at maximum power, apart from wear and
    tear, does not represent an efficient use of water or coal.

    The ability to accelerate quickly to 25mph is critical to timekeeping on the WSR
    with 10 stations.

    Michael Rowe
     
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  8. MellishR

    MellishR Resident of Nat Pres Friend

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    Considering that the board members have collective responsibility, that board member would have had the choice of going along with the decisions or resigning. If you have gone along with them and accepted responsibility, it's hardly surprising that you would defend them, regardless of what the rest of us here think of them.
    Edit: Inserted the missing "us".
     
    Last edited: Feb 25, 2022
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  9. 35B

    35B Nat Pres stalwart

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    Indeed; I've had to learn that in the course of induction as a trustee/director in a CIC recently. The real eye-opener was that my accountability remains even if I am on the losing side in a debate, and vote against a measure carried.
     
  10. JBTEvans

    JBTEvans Well-Known Member

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    5199 is still at the railway. Economical on both 2 and 8 coach trains.
     
  11. JBTEvans

    JBTEvans Well-Known Member

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    After I worked out you were on about 9466, the loco has handled gala trains on it's own across several visits across multiple decades. Safe to say it can be used all year around.
     
  12. martin1656

    martin1656 Nat Pres stalwart Friend

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    Where on the line are the watering points ? and does the working timetable allow crews time to fill the tanks right up, It doesn't matter if the engine has the potential TE to haul 6, or 7 coach trains, if it is going to run short on water and not be able to refill the tanks, on each trip, without running late and holding up the service , Its from this point that i would say that 4561 may proove to not be suitable for the full season, compared to say the Mogol , if there are only limited opertunities to take water, an engine with limited water capicity will be at an disadvantage , especially if its held up en route and uses more water than normal, if theres a very fine margin between having enough water to arrive safely, so you can use your injectors, and be about to run out.
     
  13. Sidmouth

    Sidmouth Resident of Nat Pres Staff Member Moderator

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    ooo look a dead cat
     
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  14. Matt37401

    Matt37401 Resident of Nat Pres

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    Not really, I just have more important things to worry about right now, regarding 4561, according to yourself I believe you were quoted as saying 4936 would be back in action 2 years ago so forgive me if I’m rather sceptical of your latest prediction.
     
  15. Bayard

    Bayard Well-Known Member

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    I think you need to read what @Jamessquared said about water capacity and @Maunsell907 said about boiler power. In any case I wasn't impugning 9466's capabilities, I was only comparing them to 4561's, which other people have said is too small for handling peak season trains.
     
  16. JBTEvans

    JBTEvans Well-Known Member

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    The past is proof though. You'd think they'd had hired in an industrial 0-4-0. No pleasing some people it seems.
     
  17. JBTEvans

    JBTEvans Well-Known Member

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    Locos aren't ready until locos are ready.
     
  18. Matt37401

    Matt37401 Resident of Nat Pres

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    Something you maybe need to remember before telling the rest of us what will and won’t be in traffic by a certain date perhaps?
     
    Last edited: Feb 26, 2022
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  19. 6960 Raveningham Hall

    6960 Raveningham Hall Member Friend

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    Afraid you might learn something?
     
  20. Bayard

    Bayard Well-Known Member

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    As a member of the WSRA, I look forward to our loco handling seven and eight coach trains throughout the peak season. There I was, thinking it was a bit small.
     

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