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MellishRs letzte Aktivitäten

  1. MellishR gefällt LMS2968s Beitrag in dem Thema GWR four-cylinder arrangement?.

    Yes it can, but there are still limits as to the power which can be generated and then delivered; diesels (and electrics) do not have super powers when it comes to climbing gradients. There are still limits. There are advantages and...

    13 Juli 2026 um 07:08

  2. MellishR gefällt ghosts Beitrag in dem Thema New build M&GN C class.

    Neither project would be mentioned here as this is a thread for a specific standard gauge loco. Gowrie is mentioned in several of the FR threads. The ZA6 has its own thread which was updated in March 2026. If you have updates, feel free to...

    12 Juli 2026 um 21:41

  3. MellishR antwortete auf das Thema GWR four-cylinder arrangement?.

    Thank you for the point about traction current. In effect that limits the tractive effort at low speeds, if the adhesion limit isn't reached first. But can diesel not produce a more nearly constant power at the rail than a steam loco over a range...

    12 Juli 2026 um 21:39

  4. MellishR gefällt Steves Beitrag in dem Thema GWR four-cylinder arrangement?.

    What’s wrong with the first post? Within the limitation of adhesion, a diesel locomotive is a constant horsepower machine whereas a steam locomotive is a constant tractive effort machine within the limitations of its boiler.

    12 Juli 2026 um 21:34

  5. MellishR gefällt Jamessquareds Beitrag in dem Thema Flying Scotsman.

    It’s interesting looking at dates and times that the Stourbridge - Bristol and Bristol - Minehead trips look like they are essentially a single combined day out for the loco and carriages, but two separate sets of passengers. That’s clever, it...

    12 Juli 2026 um 21:32

  6. MellishR antwortete auf das Thema RTC 2026.

    Of course! Thank you.

    12 Juli 2026 um 21:12

  7. MellishR antwortete auf das Thema RTC 2026.

    WHL?

    12 Juli 2026 um 11:13

  8. MellishR gefällt Romseys Beitrag in dem Thema VT: Ticket to Ride with 7029 - 11/07/26.

    As a comment there was generally less electrical signalling equipment trackside 60 years ago. Cheers, Neil

    12 Juli 2026 um 11:02

  9. MellishR gefällt 45698Marss Beitrag in dem Thema VT: Ticket to Ride with 7029 - 11/07/26.

    A classic example in this photograph of the perils of not clearing lineside vegetation. The metal cabinet didn't catch fire, it was obviously surrounded by vegetation that did and the contents of the cabinet were effectively "cooked". I am old...

    12 Juli 2026 um 11:02
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