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  1. Osmium
    Post

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

    This is more my brainstorming than anything. I'm not really trying to prove a point.
    Post by: Osmium, Apr 9, 2023 in forum: Steam Traction
  3. Osmium
    Post

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

    I suppose I confused some by referring to the Eastern improvements to the pacifics, which didn't help their speed, but I was talking more about...
    Post by: Osmium, Apr 9, 2023 in forum: Steam Traction
  4. Osmium
    Post

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

    The story of the Einheitsdampflokomotiven is quite interesting on its own as there were many modifications and alterations made to the numbers of...
    Post by: Osmium, Apr 9, 2023 in forum: Steam Traction
  5. Osmium
    Post

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

    The BR 44 was chosen over the 43 because it had much better force distribution over 3 cylinders with less strain on the frames, and allowed...
    Post by: Osmium, Apr 7, 2023 in forum: Steam Traction
  6. Osmium
    Post

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

    Oh I’m definitely aware of the pony truck and the multiple derailments it caused during and after WW2, but I didn’t want to go on for too long.
    Post by: Osmium, Apr 6, 2023 in forum: Steam Traction
  7. Osmium
    Post

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

    I’m going to give my two cents here. I don’t go as far as some in saying that Gresley was “overrated” or “not a good CME” because I think it...
    Post by: Osmium, Apr 6, 2023 in forum: Steam Traction
  8. Osmium
    Thread

    Footage of GWR 4000 'Star' Class at work

    Hello all, when it comes to GWR passenger locomotives, the 'Star' Class have always been my favourite. I've been looking for footage of them at...
    Thread by: Osmium, Apr 5, 2023, 1 replies, in forum: Steam Traction
  9. Osmium
    Post

    What Ifs, and Locos that never were.

    I was just wondering, do you have an ebook variant of your Thompson book? I've been considering giving a deeper look to Thompson and Peppercorn.
    Post by: Osmium, Jan 22, 2022 in forum: Steam Traction
  10. Osmium
    Post

    What Ifs, and Locos that never were.

    I’ve never seen these figures directly so thank you for posting them. I took my information from an article I read a while back, which I suppose...
    Post by: Osmium, Jan 22, 2022 in forum: Steam Traction
  11. Osmium
    Post

    What Ifs, and Locos that never were.

    Incidentally, if anyone is interested, here’s a video of a 15F in full tilt during the mid-70s. It’s said a few minutes in that it was traveling...
    Post by: Osmium, Jan 21, 2022 in forum: Steam Traction
  12. Osmium
    Post

    What Ifs, and Locos that never were.

    I would be inclined to agree with you if goods trains at this point weren’t still mostly unfitted and composed of primitive wagons with short...
    Post by: Osmium, Jan 21, 2022 in forum: Steam Traction
  13. Osmium
    Post

    What Ifs, and Locos that never were.

    I have no qualms about the 8F and know they were high-quality engines. But let's remember the 1948 locomotive exchanges where 2884s were pitted...
    Post by: Osmium, Jan 20, 2022 in forum: Steam Traction
  14. Osmium
    Post

    What Ifs, and Locos that never were.

    As much as I like the 47XXs, they were mostly stumped at 60 mph due to their balancing. This isn't a bad mark on the 47XXs, the New York Central...
    Post by: Osmium, Jan 20, 2022 in forum: Steam Traction
  15. Osmium
    Post

    What Ifs, and Locos that never were.

    Okay, and what exactly is the point of that? When was it ever profitable for heavy goods or mixed traffic trains to be running at 90mph? It's like...
    Post by: Osmium, Jan 20, 2022 in forum: Steam Traction
  16. Osmium
    Post

    What Ifs, and Locos that never were.

    Is this even true? As in, can it demonstrably be shown that a 9F was better than a 28xx? The 28xx’s were extremely powerful for their size,...
    Post by: Osmium, Jan 20, 2022 in forum: Steam Traction
  17. Osmium
    Post

    GWR 111 "The Great Bear" and Surrounding Controversies

    I'm not sure if the need for a pacific necessarily had ever passed. Sometimes I consider the possibility that a pacific design may have actually...
    Post by: Osmium, Jan 12, 2022 in forum: Steam Traction
  18. Osmium
    Post

    GWR 111 "The Great Bear" and Surrounding Controversies

    Likely what his results indicated was what the Americans found, that the larger the draft/gas flow rate in the boiler, the more long tubes...
    Post by: Osmium, Jan 12, 2022 in forum: Steam Traction
  19. Osmium
    Post

    GWR 111 "The Great Bear" and Surrounding Controversies

    This is why I explicitly said many of those studies were made after the building of no. 111. Most of the ratios which became standard were...
    Post by: Osmium, Jan 12, 2022 in forum: Steam Traction
  20. Osmium
    Post

    GWR 111 "The Great Bear" and Surrounding Controversies

    Fair enough response. I suppose that did improve the power to weight ratio considerably :p.
    Post by: Osmium, Jan 12, 2022 in forum: Steam Traction
  21. Osmium
    Post

    GWR 111 "The Great Bear" and Surrounding Controversies

    It seems this discussion has died down but I have a new proposition for discussion; if you could improve no. 111, what actions would you take?...
    Post by: Osmium, Jan 12, 2022 in forum: Steam Traction
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