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  1. huochemi
    Сообщение

    SVR Loco Newsy News / discussions

    Is this your loco? [ATTACH]
    Сообщение от: huochemi, 5 июл 2024 в разделе: Steam Traction
  3. huochemi
    Сообщение

    P2 Locomotive Company and related matters

    You are correct of coure, but nevertheless there is a broad correlation between TE and power (IHP = TE x M / 375 where TE is the indicated TE...
    Сообщение от: huochemi, 24 июн 2024 в разделе: Steam Traction
  4. huochemi
    Сообщение

    Stanier Princess Royal & Princes Coronation Pacifics

    The front end of the Princess frames was prone to cracking (all or nearly all eventually had a whole new section welded on) and, perhaps inspired...
    Сообщение от: huochemi, 22 июн 2024 в разделе: Photography
  5. huochemi
    Сообщение

    Tornado

    Thanks for putting those images up. Bulleid made an apposite observation (in the Q&A session on his paper on the MNs to the IMechE), in response...
    Сообщение от: huochemi, 19 июн 2024 в разделе: Steam Traction
  6. huochemi
    Сообщение

    Tornado

    Just had a look at the Chinese QJ manual, and I note it calls blowdown valves "boiler drain valves" (other translations of fangshui fa are...
    Сообщение от: huochemi, 5 июн 2024 в разделе: Steam Traction
  7. huochemi
    Сообщение

    Tornado

    The largest component of monel is nickel of course which is around twice the price of copper. It is strange we don't hear much in the way of...
    Сообщение от: huochemi, 21 май 2024 в разделе: Steam Traction
  8. huochemi
    Сообщение

    Tornado

    Bulleid's design was somewhat different from the international standard for steel boxes, the steel stays being thinner (5/8" dia. between the 7/8"...
    Сообщение от: huochemi, 21 май 2024 в разделе: Steam Traction
  9. huochemi
    Сообщение

    BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread

    Data sheets on managanese steel are readily available online e.g. https://ajmarshall.com/wp-content/uploads/2017/07/12-14-Manganese.pdf and make...
    Сообщение от: huochemi, 23 апр 2024 в разделе: Steam Traction
  10. huochemi
    Сообщение

    BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread

    Thank you Ian. It is somewhat ironic that more recent technology does not employ horns at all, even on powered axles. The De Glehn bogie with...
    Сообщение от: huochemi, 17 апр 2024 в разделе: Steam Traction
  11. huochemi
    Сообщение

    Class 37 query.

    As a ball park comparison, the bogies of a Chinese DF4B (Co-Co DE, total weight 138t (metric), weigh 22.7t. They are a bit more modern than the...
    Сообщение от: huochemi, 16 апр 2024 в разделе: Diesel & Electric Traction
  12. huochemi
    Сообщение

    BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread

    Interesting that manganese steel liners are used on the bogie hornguides as the wheelsets transmit no tractive or braking forces. Presumably that...
    Сообщение от: huochemi, 10 апр 2024 в разделе: Steam Traction
  13. huochemi
    Сообщение

    Flying Scotsman

    Thanks. I wonder what on earth a contract would look like, and why anyone should be motivated to go to the trouble of tendering competitively for it?
    Сообщение от: huochemi, 7 мар 2024 в разделе: Steam Traction
  14. huochemi
    Сообщение

    China's Last Little Train (YouTube)

    Thanks for posting Ray. In case this well-made film was inspiring anyone to visit, sadly the line has been undergoing Disneyfication for some...
    Сообщение от: huochemi, 10 фев 2024 в разделе: International Heritage Railways/Tramways
  15. huochemi
    Сообщение

    GWR 111 "The Great Bear" and Surrounding Controversies

    Cook says in Raising Steam on the LMS p.81 that the "existence of such a large pool of [G9 1/2S] boilers [ i.e. the boilers for the unrebuilt...
    Сообщение от: huochemi, 21 дек 2023 в разделе: Steam Traction
  16. huochemi
    Сообщение

    US Boiler Design and Combustion Chambers

    The attached is from Alfred Bruce's "The Steam Locomotive in America". He notes that combustion chambers were generally adopted by 1916.. "to...
    Сообщение от: huochemi, 20 дек 2023 в разделе: Steam Traction
  17. huochemi
    Сообщение

    Tornado

    Slot in Duchess cladding to clear the lubricator lids. [ATTACH]
    Сообщение от: huochemi, 2 дек 2023 в разделе: Steam Traction
  18. huochemi
    Сообщение

    Sugar railway tried out after years of disuse

    Appears to be Semboro, one of the mills in eastern Java. A shot from more steamy days attached (photo: the late Brian Pearce). [ATTACH]
    Сообщение от: huochemi, 28 ноя 2023 в разделе: International Heritage Railways/Tramways
  19. huochemi
    Сообщение

    Sir Nigel Gresley - The L.N.E.R.’s First C.M.E.

    ? The Great Central was a total dog financially (as was the LNER for most of its life). The GCR preferred ordinary stock did not receive a...
    Сообщение от: huochemi, 17 ноя 2023 в разделе: Steam Traction
  20. huochemi
    Сообщение

    Chapelon and related Matters

    Thank you for posting this. I assume the numbers are the amounts in inches for full travel, although I guess it does not really matter. This is a...
    Сообщение от: huochemi, 16 ноя 2023 в разделе: Steam Traction
  21. huochemi
    Сообщение

    Chapelon and related Matters

    Nock is a bit of an enigma. One assumes that he had some engineering aptitude but this passage reads like a press release. It generally explains...
    Сообщение от: huochemi, 15 ноя 2023 в разделе: Steam Traction
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