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21Bs letzte Aktivitäten

  1. 21B gefällt jncs Beitrag in dem Thema North Yorkshire Moors Railway General Discussion.

    I doubt this person dislikes the NYMR; I doubt fairly strongly that that's the motive for their frequent posting. In fact, quite the opposite; I would guess that the NYMR is fairly special to them, and that's why they post so much. I reckon the...

    29 Juni 2026 um 11:35

  2. 21B gefällt Jamessquareds Beitrag in dem Thema GWR four-cylinder arrangement?.

    I'm reminded of Adams' trial of the Wordsell-von Borries system (a two cylinder compound) on one of his 4-4-0s. It worked OK, and saved a small amount of coal, but that was more than outweighed by the additional lubrication demands, such that it...

    28 Juni 2026 um 06:45

  3. 21B gefällt LMS2968s Beitrag in dem Thema GWR four-cylinder arrangement?.

    Not so the second driving axle having to deal with offset torque and massive torsional stresses. Not a huge problem in a country like Britain sitting on massive reserves of cheap coal, so the building and maintenance costs became the dominant...

    28 Juni 2026 um 06:44

  4. 21B antwortete auf das Thema Mid Hants Railway Operational Matters.

    Class 47’and class 20 this evening 47 and 150 tomorrow

    27 Juni 2026 um 17:39
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