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  1. maddog
    مشاركة

    Fire Risk

    Is 4965 Rood Ashton Hall being converted to oil firing? or was that just speculation?
    المشاركة بواسطة: maddog, ‏23 جوان 2025 في منتدى: What's Going On
  3. maddog
    مشاركة

    West Somerset Railway General Discussion

    Sorry to dig up an old post, but It'd seem to have been a Roper hot air engine, (arguably an internal combustion engine).Roper the Inventor was...
    المشاركة بواسطة: maddog, ‏14 جوان 2025 في منتدى: Heritage Railways & Centres in the UK
  4. maddog
    مشاركة

    34039 Boscastle WC class

    Did the GWR 1000 Counties use a steel firebox?
    المشاركة بواسطة: maddog, ‏7 يناير 2025 في منتدى: Steam Traction
  5. maddog
    مشاركة

    P2 Locomotive Company and related matters

    Are you thinking of the report into the Flying Scotsman overhaul delay issues from 2012?
    المشاركة بواسطة: maddog, ‏16 ديسمبر 2024 في منتدى: Steam Traction
  6. maddog
    مشاركة

    Steam speed records including City of Truro and Mallard

    I can't find anything to link to, but have heard this is done as a way to reduce the impact of the floor of the tunnel, while also having wheels...
    المشاركة بواسطة: maddog, ‏31 ديسمبر 2023 في منتدى: Steam Traction
  7. maddog
    مشاركة

    Steam speed records including City of Truro and Mallard

    Did it have cut back casings compared to pre-war mallard? Also the drag of the train as a whole was presumably different, with mk1s? Aerodynamic...
    المشاركة بواسطة: maddog, ‏8 ديسمبر 2023 في منتدى: Steam Traction
  8. maddog
    مشاركة

    Steam speed records including City of Truro and Mallard

    If testing City of Truro it might be surprising, particularly if compared with the wheels turning, although all pretty meaningless unless...
    المشاركة بواسطة: maddog, ‏23 نوفمبر 2023 في منتدى: Steam Traction
  9. maddog
    مشاركة

    Steam speed records including City of Truro and Mallard

    I seem to recall that the basis for BR power classifications distinguished narrow from wide firebox locomotives favouring the former. If that's...
    المشاركة بواسطة: maddog, ‏23 نوفمبر 2023 في منتدى: Steam Traction
  10. maddog
    مشاركة

    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    Wasn't the NER electrification scheme (York-Newcastle?) planned to be 1500v DC overhead? Was this just economically related that it didn't proceed...
    المشاركة بواسطة: maddog, ‏16 نوفمبر 2023 في منتدى: Steam Traction
  11. maddog
    مشاركة

    O.V.S.Bulleid - The Southern Enigma

    Sleeve valves were very good for commercial aero piston engines, but were overtaken by jet engines, the Bristol engines time between overhaul was...
    المشاركة بواسطة: maddog, ‏3 سبتمبر 2023 في منتدى: Steam Traction
  12. maddog
    مشاركة

    7027 Thornbury Castle

    the number 1 boiler would be fine if the loco was destined for preserved lines only, do any railways have any turns where a class 5 isn't enough?...
    المشاركة بواسطة: maddog, ‏25 جويلية 2023 في منتدى: Steam Traction
  13. maddog
    مشاركة

    7027 Thornbury Castle

    To be fair a Castle being slighted seems pretty appropriate. Didn't Corfe Castle donate quite a bit to some new buildings?
    المشاركة بواسطة: maddog, ‏10 جويلية 2023 في منتدى: Steam Traction
  14. maddog
    مشاركة

    7027 Thornbury Castle

    Off-topic a bit but was there any proposals by GWR to use a Castle boiler on any 2-cylindered locos? or was there just not the need of anything...
    المشاركة بواسطة: maddog, ‏3 جويلية 2023 في منتدى: Steam Traction
  15. maddog
    مشاركة

    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    This is beyond my head at the moment, but have you been in contact with David Andrews of the iMeche? He seems like most important person to...
    المشاركة بواسطة: maddog, ‏26 ماي 2023 في منتدى: Steam Traction
  16. maddog
    مشاركة

    RTC 2023

    [MEDIA] Not my video, great drone shot of FS leaving Yatton, pity about the people standing on the crossing.
    المشاركة بواسطة: maddog, ‏1 ماي 2023 في منتدى: What's Going On
  17. maddog
    مشاركة

    Alternative High Speed Steam?

    450 hp seems achievable, especially with a gradient, but these figures aren't very helpful, unless you are running light engine. As Gresley...
    المشاركة بواسطة: maddog, ‏13 إبريل 2023 في منتدى: Steam Traction
  18. maddog
    مشاركة

    Alternative High Speed Steam?

    Could also be the move to inside frames and outside motion, lots of things flailing about, or just exposed wheels are much worse for aerodynamics...
    المشاركة بواسطة: maddog, ‏13 إبريل 2023 في منتدى: Steam Traction
  19. maddog
    مشاركة

    Alternative High Speed Steam?

    Is there any information about the make up of CoTs train, or can someone please extrapolate what it was from the description "hauling a light load...
    المشاركة بواسطة: maddog, ‏12 إبريل 2023 في منتدى: Steam Traction
  20. maddog
    مشاركة

    Alternative High Speed Steam?

    I feel any claims about speeds achieved need to include what was being pulled, simply giving weights isn't enough. total length is especially...
    المشاركة بواسطة: maddog, ‏11 إبريل 2023 في منتدى: Steam Traction
  21. maddog
    مشاركة

    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    Is this a similarity to GWR low superheat, in that something that was justified when introduced, but continued when advancements meant it was no...
    المشاركة بواسطة: maddog, ‏10 إبريل 2023 في منتدى: Steam Traction
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