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  1. Courier
    مشاركة

    LMS Record of 114mph

    11 June 1938 5052 with 1:55pm from Paddington passed through the Tunnel in 3 min 7 sec - average almost 85 mph with max of 98. Sept 1938 Railway...
    المشاركة بواسطة: Courier, ‏5 جويلية 2018 في منتدى: Steam Traction
  3. Courier
    مشاركة

    LMS Record of 114mph

    Why EDHP not DHP? - because it allows comparison of runs on different gradients and/or different rates of acceleration. Why IHP not EDHP? -...
    المشاركة بواسطة: Courier, ‏19 جوان 2018 في منتدى: Steam Traction
  4. Courier
    مشاركة

    LMS Record of 114mph

    Just for fun: [ATTACH] Bear in mind we don't know the actual loco weight at that moment in time, we don't know the acceleration and we don't...
    المشاركة بواسطة: Courier, ‏19 جوان 2018 في منتدى: Steam Traction
  5. Courier
    مشاركة

    LMS Record of 114mph

    We know very little about locomotive resistance at high speeds - no one has ever measured it at speeds over 80 mph. We know even less about the...
    المشاركة بواسطة: Courier, ‏17 جوان 2018 في منتدى: Steam Traction
  6. Courier
    مشاركة

    LMS Record of 114mph

    Much as the Coronation Scot was put into a platform off the main line at Crewe, Flying Scotsman on its Nov 1934 run started from a suburban...
    المشاركة بواسطة: Courier, ‏17 جوان 2018 في منتدى: Steam Traction
  7. Courier
    مشاركة

    LMS Record of 114mph

    To be fair aircraft don't tow gliders and cars don't tow caravans on world speed record attempts. If you wanted official regulations for rail...
    المشاركة بواسطة: Courier, ‏16 جوان 2018 في منتدى: Steam Traction
  8. Courier
    مشاركة

    Locomotive Front End Designs

    Looking on Google Books I found this reference - not read it myself but you might want to take a look: Vol 175 (1943) of The Engineer - page 500...
    المشاركة بواسطة: Courier, ‏10 جوان 2018 في منتدى: Steam Traction
  9. Courier
    مشاركة

    Churchward County Project

    Apologies if you're already aware of this drawing - but just in case... [ATTACH]
    المشاركة بواسطة: Courier, ‏7 إبريل 2018 في منتدى: Steam Traction
  10. Courier
    مشاركة

    6023

    That's a pity as you might find that discussing engineering with an engineer is illuminating. "if you really believe an earth shattering roar is...
    المشاركة بواسطة: Courier, ‏9 مارس 2018 في منتدى: Steam Traction
  11. Courier
    مشاركة

    6023

    On a 4 cyl loco a bark may be a sign that both the exh ports are opening at the same time. On any loco it may be a sign that the piston valves...
    المشاركة بواسطة: Courier, ‏6 مارس 2018 في منتدى: Steam Traction
  12. Courier
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    A B17 did beat a world beater on one occasion: https://archive.org/stream/meccano-magazine-1946-10/mm194610#page/n17/mode/2up
    المشاركة بواسطة: Courier, ‏26 يناير 2018 في منتدى: Steam Traction
  13. Courier
    مشاركة

    4468 Vs 05 002

    Fox, Bat or... Horse? https://en.wikipedia.org/wiki/Flying_Fox_(horse)
    المشاركة بواسطة: Courier, ‏14 ديسمبر 2017 في منتدى: Steam Traction
  14. Courier
    مشاركة

    What Ifs, and Locos that never were.

    Upside down valves under inside cylinders was one of the features Dean copied from Stroudley. https://catalog.hathitrust.org/Record/012303959...
    المشاركة بواسطة: Courier, ‏8 ديسمبر 2017 في منتدى: Steam Traction
  15. Courier
    مشاركة

    locomotives abroad

    not the UK rail gauge or loading gauge - but an example of how large British built locos are still lying around in odd places - I'm sure not for...
    المشاركة بواسطة: Courier, ‏6 ديسمبر 2017 في منتدى: Steam Traction
  16. Courier
    مشاركة

    Current and Proposed New-Builds

    Perhaps for "JG Robinson" read "Sir Sam Fay" and for "OW&W" read M&SWJ" https://www.gracesguide.co.uk/Sam_Fay Robinson's father and brother...
    المشاركة بواسطة: Courier, ‏20 نوفمبر 2017 في منتدى: Steam Traction
  17. Courier
    مشاركة

    The LMS's pre-grouping express 4-6-0s - a question

    Succession planning is another important thing for a company to get right. In the case of the GW I wonder whether in each case the Board listened...
    المشاركة بواسطة: Courier, ‏16 نوفمبر 2017 في منتدى: Steam Traction
  18. Courier
    مشاركة

    The LMS's pre-grouping express 4-6-0s - a question

    The question of why some engineering organisations succeed and others do not is an important one. Obviously Churchward himself was important....
    المشاركة بواسطة: Courier, ‏14 نوفمبر 2017 في منتدى: Steam Traction
  19. Courier
    مشاركة

    The LMS's pre-grouping express 4-6-0s - a question

    The Premier Line was supposed to have lost more staff in the First World War - if that was true that could have had an impact as well. However...
    المشاركة بواسطة: Courier, ‏13 نوفمبر 2017 في منتدى: Steam Traction
  20. Courier
    مشاركة

    Current and Proposed New-Builds

    I apologise for not addressing your points. I'm afraid that I have the bad habit of spending the limited time I have in answering the posts that...
    المشاركة بواسطة: Courier, ‏12 نوفمبر 2017 في منتدى: Steam Traction
  21. Courier
    مشاركة

    Current and Proposed New-Builds

    Following that national catastrophe all of the Big 4 ordered prototypes of future motive power. They knew you cannot switch overnight - you need...
    المشاركة بواسطة: Courier, ‏12 نوفمبر 2017 في منتدى: Steam Traction
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