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Recent Content by maddog

  1. maddog
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    Steam speed records including City of Truro and Mallard

    I can't find anything to link to, but have heard this is done as a way to reduce the impact of the floor of the tunnel, while also having wheels...
    Post by: maddog, Dec 31, 2023 in forum: Steam Traction
  2. maddog
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    Steam speed records including City of Truro and Mallard

    Did it have cut back casings compared to pre-war mallard? Also the drag of the train as a whole was presumably different, with mk1s? Aerodynamic...
    Post by: maddog, Dec 8, 2023 in forum: Steam Traction
  3. maddog
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    Steam speed records including City of Truro and Mallard

    If testing City of Truro it might be surprising, particularly if compared with the wheels turning, although all pretty meaningless unless...
    Post by: maddog, Nov 23, 2023 in forum: Steam Traction
  4. maddog
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    Steam speed records including City of Truro and Mallard

    I seem to recall that the basis for BR power classifications distinguished narrow from wide firebox locomotives favouring the former. If that's...
    Post by: maddog, Nov 23, 2023 in forum: Steam Traction
  5. maddog
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    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    Wasn't the NER electrification scheme (York-Newcastle?) planned to be 1500v DC overhead? Was this just economically related that it didn't proceed...
    Post by: maddog, Nov 16, 2023 in forum: Steam Traction
  6. maddog
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    O.V.S.Bulleid - The Southern Enigma

    Sleeve valves were very good for commercial aero piston engines, but were overtaken by jet engines, the Bristol engines time between overhaul was...
    Post by: maddog, Sep 3, 2023 in forum: Steam Traction
  7. maddog
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    7027 Thornbury Castle

    the number 1 boiler would be fine if the loco was destined for preserved lines only, do any railways have any turns where a class 5 isn't enough?...
    Post by: maddog, Jul 25, 2023 in forum: Steam Traction
  8. maddog
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    7027 Thornbury Castle

    To be fair a Castle being slighted seems pretty appropriate. Didn't Corfe Castle donate quite a bit to some new buildings?
    Post by: maddog, Jul 10, 2023 in forum: Steam Traction
  9. maddog
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    7027 Thornbury Castle

    Off-topic a bit but was there any proposals by GWR to use a Castle boiler on any 2-cylindered locos? or was there just not the need of anything...
    Post by: maddog, Jul 3, 2023 in forum: Steam Traction
  10. maddog
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    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    This is beyond my head at the moment, but have you been in contact with David Andrews of the iMeche? He seems like most important person to...
    Post by: maddog, May 26, 2023 in forum: Steam Traction
  11. maddog
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    RTC 2023

    [MEDIA] Not my video, great drone shot of FS leaving Yatton, pity about the people standing on the crossing.
    Post by: maddog, May 1, 2023 in forum: What's Going On
  12. maddog
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    Alternative High Speed Steam?

    450 hp seems achievable, especially with a gradient, but these figures aren't very helpful, unless you are running light engine. As Gresley...
    Post by: maddog, Apr 13, 2023 in forum: Steam Traction