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  1. Courier
    Post

    Saint Class 135 ish mph

    If Charles Rous-Marten had only left us the final quarter mile timing then it would be impossible to say anything certain - it would be too easy...
    Post by: Courier, Oct 16, 2017 in forum: Steam Traction
  3. Courier
    Post

    Saint Class 135 ish mph

    A fair summary in my opinion. BTW I've seen nothing in Mallard's dyno roll to suggest a speed as high as 125 - as mentioned earlier it gives me...
    Post by: Courier, Oct 16, 2017 in forum: Steam Traction
  4. Courier
    Post

    Saint Class 135 ish mph

    - No. - The train (not including engine and tender) was circa 90 tons tare and 115 tons gross. The gradient varied from 1:127 to 1:80.
    Post by: Courier, Oct 13, 2017 in forum: Steam Traction
  5. Courier
    Post

    Saint Class 135 ish mph

    Of course you might prefer the opinion of Darlington Testing and Performance Section given to the NRM in 1964. Regarding the 126 mph speed they...
    Post by: Courier, Oct 13, 2017 in forum: Steam Traction
  6. Courier
    Post

    Saint Class 135 ish mph

    For Mallard we have the speed curves drawn by the LNER (which show odd fluctuations in speed with an odd peak at 125-126mph. Luckily we also have...
    Post by: Courier, Oct 13, 2017 in forum: Steam Traction
  7. Courier
    Post

    Saint Class 135 ish mph

    The LMS claimed 114 mph.
    Post by: Courier, Oct 12, 2017 in forum: Steam Traction
  8. Courier
    Post

    Saint Class 135 ish mph

    As far as I know the rolls for FS and Papyrus do not exist. I don't even think C J Allen's stopwatch timings still exist (there is more first hand...
    Post by: Courier, Oct 12, 2017 in forum: Steam Traction
  9. Courier
    Post

    Saint Class 135 ish mph

    That might just be an indication of the number of speed exploits on the GWR. Regarding the LMS, I can only think of one speed record - the 114...
    Post by: Courier, Oct 5, 2017 in forum: Steam Traction
  10. Courier
    Post

    Saint Class 135 ish mph

    Not true - but feel free to try to demonstrate it. Part of the problem in doing that is so much depends on cylinder power and on the locomotive...
    Post by: Courier, Oct 4, 2017 in forum: Steam Traction
  11. Courier
    Post

    Surge force

    A good question. To give a proper answer to this I would need to sit in a darkened room for some time. However I think the answer would involve...
    Post by: Courier, Sep 24, 2017 in forum: Steam Traction
  12. Courier
    Post

    4468 Vs 05 002

    [ATTACH] hope this helps
    Post by: Courier, Jul 31, 2017 in forum: Steam Traction
  13. Courier
    Post

    4468 Vs 05 002

    - Drawbar pull in tonnes - I don't know
    Post by: Courier, Jul 31, 2017 in forum: Steam Traction
  14. Courier
    Thread

    4468 Vs 05 002

    [ATTACH] Apologies if this is hard to read but thought it would be interesting to overlay the speed curves of Mallard (blue - of course) and 05...
    Thread by: Courier, Jul 27, 2017, 18 replies, in forum: Steam Traction
  15. Courier
    Post

    WW2 locomotive building.

    G is Western Region - the # of locos matches the GWR at 1947 and in some tables it refers to diesel railcars in region G. The others I've not...
    Post by: Courier, Jun 10, 2017 in forum: Steam Traction
  16. Courier
    Post

    WW2 locomotive building.

    In 1948 recent LMS locos had a modern look - but old fashioned detail design. They were typically undersized for their work and poor communication...
    Post by: Courier, Jun 10, 2017 in forum: Steam Traction
  17. Courier
    Post

    WW2 locomotive building.

    One design choice may be marginally superior to another - and on a brand new locomotive you might well choose outside valve gear. But that does...
    Post by: Courier, Jun 9, 2017 in forum: Steam Traction
  18. Courier
    Post

    WW2 locomotive building.

    Two of the most successful car companies today are VW and Toyota. Neither are famous for great innovations. They are successful due to care in...
    Post by: Courier, Jun 9, 2017 in forum: Steam Traction
  19. Courier
    Post

    WW2 locomotive building.

    Everything should be reduced to three questions: How did it affect safety, how did it affect profitability, how did it affect the passenger...
    Post by: Courier, Jun 4, 2017 in forum: Steam Traction
  20. Courier
    Post

    Why weren't the Standards standard?

    I can't think of an example where GW locomotives were held back by the need to use standard components - the evidence suggests the opposite. eg...
    Post by: Courier, May 31, 2017 in forum: Steam Traction
  21. Courier
    Post

    WW2 locomotive building.

    Holcroft stated ("Life with Locos") that it was the employees in Eastleigh Works who objected to the locomotives being built in wartime- not the...
    Post by: Courier, May 28, 2017 in forum: Steam Traction
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