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  1. Dag Bonnedal
    مشاركة

    Bulleid Pacifics - Past or Present

    So true... THE big difference between copper and steel fireboxes is that scale bind to steel just like concrete to rebar. Thus a thin layer of...
    المشاركة بواسطة: Dag Bonnedal, ‏23 ماي 2024 في منتدى: Steam Traction
  3. Dag Bonnedal
    مشاركة

    Fire Queen transferred into national ownership

    Just to be clear: I think this is the oldest preserved narrow gauge locomotive: https://en.wikipedia.org/wiki/Pays_de_Waes_(locomotive)
    المشاركة بواسطة: Dag Bonnedal, ‏30 يناير 2024 في منتدى: Narrow Gauge Railways
  4. Dag Bonnedal
    مشاركة

    10100 Fell loco

    You have 500 hp engines. Thus 500 hp at low speed, 1000 hp at moderate speed, not much to accelerate a heavy train. And as said it is firmly...
    المشاركة بواسطة: Dag Bonnedal, ‏11 يناير 2024 في منتدى: Diesel & Electric Traction
  5. Dag Bonnedal
    مشاركة

    10100 Fell loco

    The fundamental problem is P = F * v, i.e. Power equals Force times speed. For normal locomotives you have some source of approximately constant...
    المشاركة بواسطة: Dag Bonnedal, ‏11 يناير 2024 في منتدى: Diesel & Electric Traction
  6. Dag Bonnedal
    مشاركة

    An English Atlantic in exile

    Only the two photos from 1987-88 in the link to BMÅS above.
    المشاركة بواسطة: Dag Bonnedal, ‏9 يناير 2024 في منتدى: Miniature Railways
  7. Dag Bonnedal
    الموضوع

    An English Atlantic in exile

    The last few years the active members of our narrow-gauge railway (https://www.oslj.nu/en-GB ) have been invited to the live steam railway of two...
    الموضوع بواسطة: Dag Bonnedal, ‏9 يناير 2024, 2 ردود, في منتدى: Miniature Railways
  8. Dag Bonnedal
    مشاركة

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

    Love to follow the Clan project. Excellent presentation of the progress and their "White papers'" analysing the potential issues in the the design...
    المشاركة بواسطة: Dag Bonnedal, ‏24 ماي 2023 في منتدى: Steam Traction
  9. Dag Bonnedal
    مشاركة

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

    Yes, interesting and new info. But preheated air into the ash pan was tried before. The first Swedish Ljungström turbine loco of 1922 (wrongly...
    المشاركة بواسطة: Dag Bonnedal, ‏22 فبراير 2023 في منتدى: Steam Traction
  10. Dag Bonnedal
    مشاركة

    Tubes

    Not quite the same. My Avatar is our loco No. 5, Hamra. Built by Orenstein & Koppel in 1902, weight 15 tons, currently in service. The locos at...
    المشاركة بواسطة: Dag Bonnedal, ‏16 يناير 2023 في منتدى: Steam Traction
  11. Dag Bonnedal
    مشاركة

    Tubes

    There were no casualties in the accident. A first replacement boiler was built by Motala Mekaniska Verkstad in Sweden. Then two additional new...
    المشاركة بواسطة: Dag Bonnedal, ‏15 يناير 2023 في منتدى: Steam Traction
  12. Dag Bonnedal
    مشاركة

    Photos of american steam locomotives

    Impressive, superb quality.
    المشاركة بواسطة: Dag Bonnedal, ‏21 سبتمبر 2022 في منتدى: International Heritage Railways/Tramways
  13. Dag Bonnedal
    مشاركة

    71000 Matters

    ... and just the sound of it! Chugging along like an old diesel with deep, clear puffs. Would like to hear it with a substantial load at speed on...
    المشاركة بواسطة: Dag Bonnedal, ‏29 جوان 2022 في منتدى: Steam Traction
  14. Dag Bonnedal
    مشاركة

    Lynton and Barnstaple - Operations and Development

    https://www.gov.uk/government/news/report-022020-runaway-locomotive-at-beddgelert-north-wales-16-april-2019
    المشاركة بواسطة: Dag Bonnedal, ‏21 جوان 2022 في منتدى: Narrow Gauge Railways
  15. Dag Bonnedal
    مشاركة

    The Vale of Rheidol Railway - News

    There is at least one very suitable in the Rampton collection... https://www.national-preservation.com/threads/rampton-trust-sotillos.1007120/
    المشاركة بواسطة: Dag Bonnedal, ‏12 جوان 2022 في منتدى: Narrow Gauge Railways
  16. Dag Bonnedal
    مشاركة

    locomotives abroad

    ... and, as said before, two of those NS 4300 were sold to Sweden as a test if they could be useful as short term stop gap replacements for...
    المشاركة بواسطة: Dag Bonnedal, ‏1 مارس 2022 في منتدى: Steam Traction
  17. Dag Bonnedal
    الموضوع

    Harz

    Recently published videos from HSB. Very good photo and exceptional sound. Put on a pair of good headphones, crank up the volume and enjoy! The...
    الموضوع بواسطة: Dag Bonnedal, ‏16 نوفمبر 2021, 1 ردود, في منتدى: International Heritage Railways/Tramways
  18. Dag Bonnedal
    مشاركة

    Pennsylvania RR Duplex 4-4-4-4 replica build

    If I remember it correctly from a discussion on UP 4014, the counter starts ticking only when the boiler starts to produce steam the first time....
    المشاركة بواسطة: Dag Bonnedal, ‏29 سبتمبر 2021 في منتدى: International Heritage Railways/Tramways
  19. Dag Bonnedal
    مشاركة

    ÖSlJ, Mariefred, Sweden

    This year we had a similar summer to last year; short season, but lot of traffic with many visitors when we were able to run. We were able to run...
    المشاركة بواسطة: Dag Bonnedal, ‏29 سبتمبر 2021 في منتدى: International Heritage Railways/Tramways
  20. Dag Bonnedal
    مشاركة

    Steam in Pennyslvania

    Unusual maybe, but not very unusual. Quite a few US locomotives were fitted with the Southern valve gear. This is really a Marshall valve gear...
    المشاركة بواسطة: Dag Bonnedal, ‏29 ماي 2021 في منتدى: International Heritage Railways/Tramways
  21. Dag Bonnedal
    مشاركة

    Lynton and Barnstaple - Operations and Development

    Fantastic job done! (But I still think it is a pity it isn't getting headlines under Latest News. I know links are in the side bar, but it is...
    المشاركة بواسطة: Dag Bonnedal, ‏29 ماي 2021 في منتدى: Narrow Gauge Railways
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