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  1. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Was the nick name Concrete mixer given due to noise or footplate uncomfort.? The B1 was only allowed 30% balance from Civil engineer.As one had...
    المشاركة بواسطة: Hermod, ‏9 أوت 2021 في منتدى: Steam Traction
  3. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    The unanswered question in these almost 5000 post is how Thomson dared to make some of the Great mans inspired creations work.. Will a new...
    المشاركة بواسطة: Hermod, ‏16 جويلية 2021 في منتدى: Steam Traction
  4. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Do we know if they did same kind of work and was used indiscriminately? If the A1 was reserved for ligth ,fast and few stop jobs mileage goes up...
    المشاركة بواسطة: Hermod, ‏8 جويلية 2021 في منتدى: Steam Traction
  5. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Cox mentions that tests on LNER had shown no advantage of Peppercorn A1 over A2 below 90mph that was speed limit from civils. Adhesive weigth was...
    المشاركة بواسطة: Hermod, ‏8 جويلية 2021 في منتدى: Steam Traction
  6. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    The horrible derailing in India that forced Cox and Stannier to India for investigation was on almost straigth track. There is some mentioning of...
    المشاركة بواسطة: Hermod, ‏6 جويلية 2021 في منتدى: Steam Traction
  7. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    If and when rebuilding seeks funding I am in if it is rebuilt like Thompsons B16/3. Raven was right ;front wheel drive looks best Thompson A2...
    المشاركة بواسطة: Hermod, ‏6 جويلية 2021 في منتدى: Steam Traction
  8. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Money makes the world go round
    المشاركة بواسطة: Hermod, ‏5 جويلية 2021 في منتدى: Steam Traction
  9. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    On the WD 2-10-0 there was total half an inch side play on first and last driver. Let us assume one inch on Ps and nil on the crank shaft.Enter a...
    المشاركة بواسطة: Hermod, ‏4 جويلية 2021 في منتدى: Steam Traction
  10. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    The pacific boilers were 6feet five at their fatest and could be placed over 4 feet eigth wheels(Like BR44) as 9fs had six feet one boiler over...
    المشاركة بواسطة: Hermod, ‏20 جوان 2021 في منتدى: Steam Traction
  11. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    If I had been asked how to make wheel-crankshaft connection ,a pressfit with key solution would be the last option. The best connection has...
    المشاركة بواسطة: Hermod, ‏18 جوان 2021 في منتدى: Steam Traction
  12. Hermod
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    A shaft that is 8.25 inch one end and 9.62 at the other that transmits pure torque will have specific stresses that are 1.58 times higher at the...
    المشاركة بواسطة: Hermod, ‏17 جوان 2021 في منتدى: Steam Traction
  13. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    I have realised that two twenty inch outside cylinders 6 feet 8 apart will not allow plus minus 1 inch lateral movement of first driver ,but...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  14. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    We know quite well how much well made two step compounds improve steam consumption in Post Chapelon machinery. He tried,but not desperate,to even...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  15. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    Bulleid could have made a much better job and cheaper as well by doing a Hymek like Heisler variant. A boiler instead of Diesel engine and a V2...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  16. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    A 9f high speed version with 3 cylinders would have had lateral space for Krauss Helmholtz/Zara truck up front and then 120 kmh was scheduled in...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  17. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    He patented conjugated gear that only could benefit three cylinder simples with drive to second set of driver. He patented a double swing link...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  18. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    As I see it Gresley started selecting three cylinders for everything because then there would be a crank shaft,and if there was a a crankshaft it...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  19. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    It was due I think to tradition.Drivers should not revolve faster than 5 revolutions per second from two cylinders. If it has three or four...
    المشاركة بواسطة: Hermod, ‏16 جوان 2021 في منتدى: Steam Traction
  20. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    Exhaust steam injector?
    المشاركة بواسطة: Hermod, ‏14 جوان 2021 في منتدى: Steam Traction
  21. Hermod
    مشاركة

    P2 Locomotive Company and related matters

    WP_20180721_003[1] by Hermod posted Jul 21, 2018 at 3:24 PM BR class 7 was 143 tons fit for figth and 62 was adhessive. The one hour rating was...
    المشاركة بواسطة: Hermod, ‏14 جوان 2021 في منتدى: Steam Traction
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