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  1. 8126
    مشاركة

    34039 Boscastle WC class

    You get good machine shop rates. About 5 years ago I was talking to one of our regular suppliers, who while talking about the savings in time...
    المشاركة بواسطة: 8126, ‏2 جوان 2025 في منتدى: Steam Traction
  3. 8126
    مشاركة

    Watercress Line Spring Steam Gala: 25th - 27th April 2025

    I would guess the bean cans are there to stop water and/or crud getting into the slidebar oilers. Whether there is some feature of 52322 that...
    المشاركة بواسطة: 8126, ‏26 إبريل 2025 في منتدى: Galas and Events
  4. 8126
    مشاركة

    Gresley Society’s GNR N2 1744

    Edit because originally I thought you just meant the combined steam valves, but see what you mean, not just the dual steam valve clack assy. So I...
    المشاركة بواسطة: 8126, ‏16 مارس 2025 في منتدى: Steam Traction
  5. 8126
    مشاركة

    Flying Scotsman

    They used to have a lovely 15" gauge version of it, since moved on.
    المشاركة بواسطة: 8126, ‏13 مارس 2025 في منتدى: Steam Traction
  6. 8126
    مشاركة

    Bulleid Pacifics - Past or Present

    I'm fairly sure the only MN that has previously operated in preservation which is not at present operational would be Port Line. 35006 and 35018...
    المشاركة بواسطة: 8126, ‏2 مارس 2025 في منتدى: Steam Traction
  7. 8126
    مشاركة

    141R1332 to the UK!

    Not much French in the engineering of the 141R, an American product in their boilers and mechanicals. I guess 1332 had the cast steel bed of the...
    المشاركة بواسطة: 8126, ‏7 فبراير 2025 في منتدى: Steam Traction
  8. 8126
    مشاركة

    Tornado

    The fireboxes of the Bulleid light pacifics are fully welded platework, but with screwed stays. MNs have welded inner and outer fireboxes but a...
    المشاركة بواسطة: 8126, ‏3 فبراير 2025 في منتدى: Steam Traction
  9. 8126
    مشاركة

    2025 Returnees and Withdrawals

    The curve-shyness may be in the throw of the trailing truck? If you assume that the GWR kept to their usual principles of standardisation and put...
    المشاركة بواسطة: 8126, ‏29 يناير 2025 في منتدى: Steam Traction
  10. 8126
    مشاركة

    Bulleid Pacifics - Past or Present

    When Wadebridge was making some rather syncopated beats a few years ago I seem to recall the culprit was wear in the 3:8 rocking lever pivots,...
    المشاركة بواسطة: 8126, ‏17 جوان 2024 في منتدى: Steam Traction
  11. 8126
    مشاركة

    Steam speed records including City of Truro and Mallard

    I have a suggestion regarding the "mirrored 05s" wind tunnel test. Could they have been looking to quantify the significance of the floor/ground...
    المشاركة بواسطة: 8126, ‏31 ديسمبر 2023 في منتدى: Steam Traction
  12. 8126
    مشاركة

    Steam speed records including City of Truro and Mallard

    That's an interesting one. I wonder if the wing on the Typhoon also suffered from this erroneous advice...
    المشاركة بواسطة: 8126, ‏28 نوفمبر 2023 في منتدى: Steam Traction
  13. 8126
    مشاركة

    Tornado

    Without wishing to get all philosophical about it, when it comes down to it the boundary between accept and reject is always infinitesimal. Oh...
    المشاركة بواسطة: 8126, ‏28 نوفمبر 2023 في منتدى: Steam Traction
  14. 8126
    مشاركة

    Steam speed records including City of Truro and Mallard

    Interesting theory, but I'm not convinced. If, as I assume to be the case, you're suggesting whipping of the conjugated gear as creating an...
    المشاركة بواسطة: 8126, ‏27 نوفمبر 2023 في منتدى: Steam Traction
  15. 8126
    مشاركة

    Steam speed records including City of Truro and Mallard

    I think my question to that would be whether all the data presented by your derivations from the dyno roll is internally consistent with the rest...
    المشاركة بواسطة: 8126, ‏26 نوفمبر 2023 في منتدى: Steam Traction
  16. 8126
    مشاركة

    Steam speed records including City of Truro and Mallard

    I am always wary of estimated and extrapolated values for ihp; however when actual indicator diagrams are involved they're handy in this context,...
    المشاركة بواسطة: 8126, ‏25 نوفمبر 2023 في منتدى: Steam Traction
  17. 8126
    مشاركة

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

    Both low frequency systems though (25 Hz for the LBSC system, I believe). The useful thing with the German 16 2/3 Hz is that it allowed the use of...
    المشاركة بواسطة: 8126, ‏16 نوفمبر 2023 في منتدى: Steam Traction
  18. 8126
    مشاركة

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

    Yes, there's some A4 to it in the shape of the boiler casing and valances, and in more than just sense of it being a streamlined locomotive at a...
    المشاركة بواسطة: 8126, ‏15 نوفمبر 2023 في منتدى: Steam Traction
  19. 8126
    مشاركة

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

    I'm not sure this really explains the influence of this on Chapelon, though?
    المشاركة بواسطة: 8126, ‏15 نوفمبر 2023 في منتدى: Steam Traction
  20. 8126
    مشاركة

    Chapelon and related Matters

    If we are discussing influence, and this is far from primary evidence in the sense you think of it, but closer to locomotive archaeology, what are...
    المشاركة بواسطة: 8126, ‏9 نوفمبر 2023 في منتدى: Steam Traction
  21. 8126
    مشاركة

    Chapelon and related Matters

    It is noticeable that in Chapelon’s book, while the Gresley Pacifics get a write-up proportionate to that of all the other classes he covers in...
    المشاركة بواسطة: 8126, ‏8 نوفمبر 2023 في منتدى: Steam Traction
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