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  1. huochemi
    مشاركة

    76077

    Thanks, very interesting. There are also some other very interesting images in the reports albeit somewhat small, such as the image of the...
    المشاركة بواسطة: huochemi, ‏29 ماي 2025 في منتدى: Steam Traction
  3. huochemi
    مشاركة

    76077

    Thanks, that is interesting, I wonder how much that is costing? (There is an update at...
    المشاركة بواسطة: huochemi, ‏29 ماي 2025 في منتدى: Steam Traction
  4. huochemi
    مشاركة

    76077

    Thanks. That sort of suggests that the monel stays (or perhaps the copper plate around the holes) wears fairly quickly and there was a general...
    المشاركة بواسطة: huochemi, ‏29 ماي 2025 في منتدى: Steam Traction
  5. huochemi
    مشاركة

    76077

    Thank you, interesting. I noticed the references to copper stays. I thought all Standards had monel stays. Perhaps some were built with copper or...
    المشاركة بواسطة: huochemi, ‏28 ماي 2025 في منتدى: Steam Traction
  6. huochemi
    مشاركة

    71000

    The coupling rod bushes and knuckle-joint pins had to be replaced on the 1954 tests due to wear. The report states that the original bushes were...
    المشاركة بواسطة: huochemi, ‏28 ماي 2025 في منتدى: Steam Traction
  7. huochemi
    مشاركة

    71000

    BR testing was done in 1954. Test reports in general were more aimed at operating the locos within likely service parameters rather than...
    المشاركة بواسطة: huochemi, ‏26 ماي 2025 في منتدى: Steam Traction
  8. huochemi
    مشاركة

    71000

    Interesting discussion. There are certainly plenty of things about Caprotti gear which I do not understand but among rotary cam poppet valves,...
    المشاركة بواسطة: huochemi, ‏24 ماي 2025 في منتدى: Steam Traction
  9. huochemi
    مشاركة

    Lynton and Barnstaple - Operations and Development

    Thank you, that is helpful.
    المشاركة بواسطة: huochemi, ‏12 ماي 2025 في منتدى: Narrow Gauge Railways
  10. huochemi
    مشاركة

    Lynton and Barnstaple - Operations and Development

    Thank you. What do you think the reason was for excluding the L&B from the grouping was? Were perhaps negotiations with the LSWR well underway?
    المشاركة بواسطة: huochemi, ‏12 ماي 2025 في منتدى: Narrow Gauge Railways
  11. huochemi
    مشاركة

    Lynton and Barnstaple - Operations and Development

    Can you expand on that rather off the wall comment? The L&BR was dissolved under the Southern Railway Act of 1923 (Clause 60, Clauses 60-67 are...
    المشاركة بواسطة: huochemi, ‏12 ماي 2025 في منتدى: Narrow Gauge Railways
  12. huochemi
    مشاركة

    The Caledonian Railway. ...

    Thanks Roger. You say the Caledonian was "absorbed" into the LMS. As you may know, the 1921 Act separated the pre-1923 companies subject to the...
    المشاركة بواسطة: huochemi, ‏5 ماي 2025 في منتدى: Bullhead Memories
  13. huochemi
    مشاركة

    North Yorkshire Moors Railway General Discussion

    Seems a bit of a Hail Mary, hoping for some deus ex-machina to sort things out. The contribution to the local economy/community is alluded to in...
    المشاركة بواسطة: huochemi, ‏31 مارس 2025 في منتدى: Heritage Railways & Centres in the UK
  14. huochemi
    مشاركة

    Vintage Trains 2025

    Thanks. I am a bit surprised that 5699 has not had the mods (which involved a new blastpipe top and mods to the chimney). The potential for carbon...
    المشاركة بواسطة: huochemi, ‏30 مارس 2025 في منتدى: What's Going On
  15. huochemi
    مشاركة

    Steam Locomotive Proportions, Ratios, and Equations

    The Locomotive Engineers' Pocket Book (copies are available secondhand) gives advice on various design parameters. If you need a loco to do a...
    المشاركة بواسطة: huochemi, ‏29 مارس 2025 في منتدى: Steam Traction
  16. huochemi
    مشاركة

    Vintage Trains 2025

    BR made some effort to improve the Jubilees' steaming in 1956, comparing an improved single chimney and a double chimney and blastpipe mods in...
    المشاركة بواسطة: huochemi, ‏28 مارس 2025 في منتدى: What's Going On
  17. huochemi
    مشاركة

    North Yorkshire Moors Railway General Discussion

    Is this assertion based on preliminary 2024 results of the Bluebell? The PLC made a loss in 2023 (the last filed accounts) of over £300k (although...
    المشاركة بواسطة: huochemi, ‏27 مارس 2025 في منتدى: Heritage Railways & Centres in the UK
  18. huochemi
    مشاركة

    P2 Locomotive Company and related matters

    If you read the paper to the ILocoE, there seems to have been considerable scepticism about the validity of some of the testing, missing data and...
    المشاركة بواسطة: huochemi, ‏20 مارس 2025 في منتدى: Steam Traction
  19. huochemi
    مشاركة

    P2 Locomotive Company and related matters

    The Locomotive, as an industry journal reliant on industry adverts, was inclined to be enthusiastic/uncritical in its descriptions. As to why a...
    المشاركة بواسطة: huochemi, ‏18 مارس 2025 في منتدى: Steam Traction
  20. huochemi
    مشاركة

    P2 Locomotive Company and related matters

    So am I. The P2 material leaves more questions than answers. A mystery which no-one seems to explain is how the cams worked. I think in Caprotti...
    المشاركة بواسطة: huochemi, ‏17 مارس 2025 في منتدى: Steam Traction
  21. huochemi
    مشاركة

    P2 Locomotive Company and related matters

    I think the Franklin poppet valve gear on the K4S 5399, the first loco to be fitted, was the so-called "Type A" i.e. oscillating rather than...
    المشاركة بواسطة: huochemi, ‏17 مارس 2025 في منتدى: Steam Traction
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