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  1. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Always dangerous to assume! What's the saying? To assume is to make an ass of u and me? Before making such a statement, it might have been...
    Post by: RAB3L, Dec 14, 2023 in forum: Steam Traction
  3. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    In the case of the rebuilt 3500 Class, that's clearly not true. As a consequence of their improved performance, the timing between Angouleme and...
    Post by: RAB3L, Dec 14, 2023 in forum: Steam Traction
  4. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Chapelon's first rebuild, that of Pacific 3566, produced an increase in power of 62% and an improvement in economy of 25%. Reference is Col...
    Post by: RAB3L, Dec 12, 2023 in forum: Steam Traction
  5. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Correct, but it is a revolution that should have occurred, in England at least. A 50psig loss in pressure between the boiler and cylinders? A bit...
    Post by: RAB3L, Dec 11, 2023 in forum: Steam Traction
  6. RAB3L
    Post

    Chapelon and related Matters

    After a distinguished career in an artillery officer during WW1, during which a new system of fire control was devised by Chapelon and embodied in...
    Post by: RAB3L, Dec 11, 2023 in forum: Steam Traction
  7. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Here's a clue: What was it that Bulleid is quoted as saying? "Thermodynamics never sold a single locomotive". Did he have a clue as to what...
    Post by: RAB3L, Dec 11, 2023 in forum: Steam Traction
  8. RAB3L
    Post

    71000

    Here's how to do it with 9 and steam to spare! [MEDIA]
    Post by: RAB3L, Dec 6, 2023 in forum: Steam Traction
  9. RAB3L
    Post

    92134

    You might be surprised by the top speed of a particular 9F, reached descending Hatton in the 1980's.
    Post by: RAB3L, Dec 6, 2023 in forum: Steam Traction
  10. RAB3L
    Post

    Tornado

    Probably because they didn't know it wouldn't fit until they fitted it. The cladding had been fitted before the boiler was installed on the frames...
    Post by: RAB3L, Dec 2, 2023 in forum: Steam Traction
  11. RAB3L
    Post

    Tornado

    The is the A1 Steam Locomotive Trust's explanation: 'The locomotive has had new tyres fitted during this overhaul, and they are at maximum size....
    Post by: RAB3L, Nov 30, 2023 in forum: Steam Traction
  12. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    From Wikipedia: On Monday, 6 June 1932, the train broke railway speed records with a time of 56 mins 47 seconds at an average speed of 81.6...
    Post by: RAB3L, Nov 30, 2023 in forum: Steam Traction
  13. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Presumably you mean the post April 1958 version of 7018 with four-row superheater, double chimney (fitted in 1956) and 50% more oil than standard....
    Post by: RAB3L, Nov 29, 2023 in forum: Steam Traction
  14. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    That might be but trying telling that to a pilot whose plane's speed and altitude are limited by such, against an opponent who doesn't have this...
    Post by: RAB3L, Nov 29, 2023 in forum: Steam Traction
  15. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    Most definitely. The Typhoon was designed as a medium to high altitude interceptor, to replace the Hurricane (which also had thick wings). These...
    Post by: RAB3L, Nov 29, 2023 in forum: Steam Traction
  16. RAB3L
    Post

    Steam speed records including City of Truro and Mallard

    To say the least!
    Post by: RAB3L, Nov 29, 2023 in forum: Steam Traction
  17. RAB3L
    Post

    35028 Clan Line

    Full story here:...
    Post by: RAB3L, Nov 25, 2023 in forum: Steam Traction
  18. RAB3L
    Post

    Articulated Steam Locomotives of North America

    You probably left out 'not'! But the T1s were streamlined and Franklin approved their valves for 100mph in normal use and 125mph for short...
    Post by: RAB3L, Nov 24, 2023 in forum: International Heritage Railways/Tramways
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