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  1. W.Williams
    مشاركة

    LMS Black 5 5025

    It's a nice touch on EV Cooper.
    المشاركة بواسطة: W.Williams, ‏30 جوان 2021 في منتدى: Steam Traction
  3. W.Williams
    مشاركة

    LMS Black 5 5025

    Are we going to see a brass plaque saying "REBUILT, AVIEMORE, 2021'?
    المشاركة بواسطة: W.Williams, ‏30 جوان 2021 في منتدى: Steam Traction
  4. W.Williams
    مشاركة

    Steam Dreams 2021

    Look at that! How could you not love the Gresley machines when they look this good! Cracking shot!
    المشاركة بواسطة: W.Williams, ‏26 جوان 2021 في منتدى: What's Going On
  5. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Pictures as they say. Its not as straightforwards as that because the shaft is constrained at both ends, and the wheel itself does move, it would...
    المشاركة بواسطة: W.Williams, ‏18 جوان 2021 في منتدى: Steam Traction
  6. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    I am not seeing keyways in the Crank Web as suggested. That to me suggests torsion failure. Although the shaft is smaller at the web, there is a...
    المشاركة بواسطة: W.Williams, ‏18 جوان 2021 في منتدى: Steam Traction
  7. W.Williams
    مشاركة

    P2 Locomotive Company and related matters

    Do we have enough evidence in timetables and loading's to be able to definitively say this? Its a big ask to get the capital to build 6 new unique...
    المشاركة بواسطة: W.Williams, ‏18 جوان 2021 في منتدى: Steam Traction
  8. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Its important to note that the key way reduces the area, and subsequently increases the stress for a given load condition. That point of maximum...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  9. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    Well indeed. We have no evidence to show that P2s spread the track any more than any other machine abs so I don’t see why others are proposing...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  10. W.Williams
    مشاركة

    P2 Locomotive Company and related matters

    But the track on railways does give. Its not totally fixed and does deflect somewhat given the forces it encounters. I hope we are also...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  11. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    But the track on railways does give. Its not totally fixed and does deflect somewhat given the forces it encounters. Except that it inst and I...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  12. W.Williams
    مشاركة

    Edward Thompson: Wartime C.M.E. Discussion

    A few points to bear in mind. The P2 axle failures have clear evidence of stress raiser/sharp corners. This has been resolved by the recent P2...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  13. W.Williams
    مشاركة

    P2 Locomotive Company and related matters

    Hopefully someone with the knowledge to answer will chip in.
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  14. W.Williams
    مشاركة

    P2 Locomotive Company and related matters

    Pulling some snippets from Wiki. The second locomotive of the class, No.2002 Earl Marischal was completed by 1935, also at Doncaster, and was...
    المشاركة بواسطة: W.Williams, ‏16 جوان 2021 في منتدى: Steam Traction
  15. W.Williams
    مشاركة

    60009

    Is the plan for retirement in Fife now off the agenda?
    المشاركة بواسطة: W.Williams, ‏14 جوان 2021 في منتدى: Steam Traction
  16. W.Williams
    مشاركة

    P2 Locomotive Company and related matters

    Just a point of order. I’m not sure this is precisely what was meant, but I’d make the argument that Designers and Engineers on this side of the...
    المشاركة بواسطة: W.Williams, ‏14 جوان 2021 في منتدى: Steam Traction
  17. W.Williams
    مشاركة

    LMS Black 5 5025

    The best is an A4. The rest of you can argue among yourselves about second place.
    المشاركة بواسطة: W.Williams, ‏10 جوان 2021 في منتدى: Steam Traction
  18. W.Williams
    مشاركة

    Boiler safety issues

    Firstly, I hope they are ok/recovering. Secondly, an impact wrench? Why? They only need to be tightened up by hand with an appropriate socket...
    المشاركة بواسطة: W.Williams, ‏10 جوان 2021 في منتدى: Steam Traction
  19. W.Williams
    مشاركة

    LMS Black 5 5025

    Cracking idea. Then we could call it Maroon 5 and watch it draw in a whole new crowd of enthusiasts.
    المشاركة بواسطة: W.Williams, ‏9 جوان 2021 في منتدى: Steam Traction
  20. W.Williams
    مشاركة

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

    Would this not be a contradiction in terms? Dimensional instability in cast and welded parts or structures arises due to residual stresses inside...
    المشاركة بواسطة: W.Williams, ‏9 جوان 2021 في منتدى: Steam Traction
  21. W.Williams
    مشاركة

    LMS Black 5 5025

    If nominal TE has little practical application, what is a better metric for comparison?
    المشاركة بواسطة: W.Williams, ‏8 جوان 2021 في منتدى: Steam Traction
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