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Recent Content by Hermod

  1. Hermod
    Post

    Tornado

    In five years time coalburning on a grate will be disgusting and not bring cash. Chalapon by Hermod posted Feb 7, 2024 at 4:05 PM The pipe over...
    Post by: Hermod, Mar 26, 2025 in forum: Steam Traction
  2. Hermod
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    Tornado

    https://de.wikipedia.org/wiki/Kesselzerknall_in_Meiningen Interesting A LNW&R boiler blew up 5 years after WW1. Unskilled,badly supervised...
    Post by: Hermod, Mar 25, 2025 in forum: Steam Traction
  3. Hermod
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    Tornado

    It is not easy to imagine how (repair of/welding on) barrel or firebox wrapper can make boiler shorter. A more likely happening: A picture from...
    Post by: Hermod, Mar 22, 2025 in forum: Steam Traction
  4. Hermod
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    P2 Locomotive Company and related matters

    Thank You for an explanation of the newer knowledge that gives hope for succes even if it is not following the shining light from Chapelon
    Post by: Hermod, Mar 22, 2025 in forum: Steam Traction
  5. Hermod
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    P2 Locomotive Company and related matters

    Thank You for a clear update on poppet valve gears. Franklin B sounds like a good solution for having three cylinders driving unto second driver...
    Post by: Hermod, Mar 22, 2025 in forum: Steam Traction
  6. Hermod
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    P2 Locomotive Company and related matters

    Mr Chapelon had a lot of expirience with poppet valves and chose piston valves for his last significant steam-locomotive 242A1 in 1946. What new...
    Post by: Hermod, Mar 20, 2025 in forum: Steam Traction
  7. Hermod
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    P2 Locomotive Company and related matters

    K4 was constructed before 1914. In 1929Chapelon tested a modified pacific from 1907 and achieved more. Anno before Chapelon or after Chapelon...
    Post by: Hermod, Mar 19, 2025 in forum: Steam Traction
  8. Hermod
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    P2 Locomotive Company and related matters

    Have read Brian Read about 50 Pennsylvania T1 that had oscillating cam poppet-valve gear Franklin A that were difficult to maintain. A single...
    Post by: Hermod, Mar 17, 2025 in forum: Steam Traction
  9. Hermod
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    P2 Locomotive Company and related matters

    It will ease design of valve gear if we limit max rpm.. No Blue Peter re-enacting. What max speed for P2 newbuild? Big ship diesels to day run...
    Post by: Hermod, Mar 17, 2025 in forum: Steam Traction
  10. Hermod
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    Bulleid Pacifics - Past or Present

    WP_20250308_001[1] by Hermod posted Mar 8, 2025 at 9:14 PM Not really. Picture shows some(3 -4-5 or 6?) 3 inch circulator pipes from over...
    Post by: Hermod, Mar 8, 2025 in forum: Steam Traction
  11. Hermod
    Media

    WP_20250308_001[1]

    Uploaded by: Hermod, Mar 8, 2025, 0 comments, in album: Pictures from Hermod
  12. Hermod
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    Bulleid Pacifics - Past or Present

    New to me that boiler efficiency was measured and evaluated during interchange trials? Sounds more like a Rugby job. My source was Cox.
    Post by: Hermod, Mar 6, 2025 in forum: Steam Traction
  13. Hermod
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    Bulleid Pacifics - Past or Present

    Thank You for a very interesting update on syphons knowledge. Are the test files You mention accessible somewhere? I read french well enough...
    Post by: Hermod, Mar 6, 2025 in forum: Steam Traction
  14. Hermod
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    Bulleid Pacifics - Past or Present

    Britania was 42 sq grate, max evaporation 31410lbs/h boiler efficiency 66% MN unrebuilt 48.5 sq grate, max steam 34000 efficiency 61% Max IHP...
    Post by: Hermod, Mar 5, 2025 in forum: Steam Traction
  15. Hermod
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    A Southern Railway query

    Have just ordered a copy .11$ and 6£ postage .From a library in UK selling superfluous books. We are leaving stage fast ,but promised delivery 26...
    Post by: Hermod, Mar 4, 2025 in forum: Steam Traction