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  1. S.A.C. Martin
    贴子

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

    I can certainly have a go, but my working week starts shortly. I can have a look at the weekend.
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  3. S.A.C. Martin
    贴子

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

    So just noting the above, please accept a humble apology from this enthusiastic but sometimes obtuse researcher.
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  4. S.A.C. Martin
    贴子

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

    Not Papyrus for me - Humorist. That no Gresley A3 would be included within the National Collection is still bonkers to me. Yes, you can’t save...
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  5. S.A.C. Martin
    贴子

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

    Interesting, thank you for this. I did a quick google of HAD and this has become another rabbit hole to go down…! I think I had better bow to the...
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  6. S.A.C. Martin
    贴子

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

    Okay, fair comment. When you look at the pens, you can see that some are more heavily weighted from the top than others. The reason for that is...
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  7. S.A.C. Martin
    贴子

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

    Weighted differently, look at the pens themselves. To be frank Steve it’s in the photograph. I’m not disagreeing with you on the basis of a...
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  8. S.A.C. Martin
    贴子

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

    I stand happily corrected. LMS isn’t my area of research (yet!)
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  9. S.A.C. Martin
    贴子

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

    The pens are weighted differently Steve.
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  10. S.A.C. Martin
    贴子

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

    Look at the photo above Steve. You’ll get your answer! :)
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  11. S.A.C. Martin
    贴子

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

    Great link, thank you for sharing. Note this photograph, showing all of the different pens and what they recorded on the paper. [ATTACH] I do...
    作者: S.A.C. Martin, 2023-05-29 所属版块: Steam Traction
  12. S.A.C. Martin
    贴子

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

    I dunno, I think the idea that the deliberate shape of the 1 second interval readings is somehow just a by product of the way the pen is supposed...
    作者: S.A.C. Martin, 2023-05-28 所属版块: Steam Traction
  13. S.A.C. Martin
    贴子

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

    Hi Steve. I have the full dynamometer roll in front of me and assuredly it’s designed in. Not to undermine your view but there’s a clear...
    作者: S.A.C. Martin, 2023-05-28 所属版块: Steam Traction
  14. S.A.C. Martin
    贴子

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

    Interesting if they do turn out to be the same person. The articles differ to each other. I note I disagreed with the article published at the...
    作者: S.A.C. Martin, 2023-05-28 所属版块: Steam Traction
  15. S.A.C. Martin
    贴子

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

    Okay, I think we need to be clear on the terminology and what's being said. My apologies for not being clearer. When I say "quarter mile" in...
    作者: S.A.C. Martin, 2023-05-28 所属版块: Steam Traction
  16. S.A.C. Martin
    贴子

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

    I don’t believe Mr Andrews has demonstrated that. I think there’s a fundamental misunderstanding of how the dynamometer car works, which is why my...
    作者: S.A.C. Martin, 2023-05-28 所属版块: Steam Traction
  17. S.A.C. Martin
    贴子

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

    Hi Jim. I’m not taking averages. I think I’d better put together all of my data and do a proper explanation later this weekend.
    作者: S.A.C. Martin, 2023-05-27 所属版块: Steam Traction
  18. S.A.C. Martin
    贴子

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

    Hi Steve - the roll records quarter mile travelled, not the same as mileposts.
    作者: S.A.C. Martin, 2023-05-27 所属版块: Steam Traction
  19. S.A.C. Martin
    贴子

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

    That’s not true, the intervals vary. That’s the point. The dynamometer car records the distance automatically and this is set against one second...
    作者: S.A.C. Martin, 2023-05-27 所属版块: Steam Traction
  20. S.A.C. Martin
    贴子

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

    It’s not quite as simple that - my apologies, I must clarify that where the speed record is concerned the approach was 5 second intervals taken...
    作者: S.A.C. Martin, 2023-05-27 所属版块: Steam Traction
  21. S.A.C. Martin
    贴子

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

    Yes, this has crossed my mind and once I am happier with my graphs I will drop him a line through the iMechE. I believe so.
    作者: S.A.C. Martin, 2023-05-27 所属版块: Steam Traction
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