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  1. Cosmo Bonsor
    Post

    Bluebell Railway General Discussion

    I fired W11 then. Is that the KESR one behind it? W11 is the best of its type I've been on. Don't know if that's the train I was on. Where does...
    Post by: Cosmo Bonsor, Jul 27, 2022 in forum: Heritage Railways & Centres in the UK
  3. Cosmo Bonsor
    Post

    Bluebell Railway General Discussion

    Our diesel training starts from the candidate being already a Driver as Steve says. This always means qualified for steam because that is what we...
    Post by: Cosmo Bonsor, Jul 17, 2022 in forum: Heritage Railways & Centres in the UK
  4. Cosmo Bonsor
    Post

    Progress on newbuild LNWR George the Fifth Class 'Prince George'

    This is the first drawing of the centre box that I've seen. It shows two wedges instead of the usual one only for an axlebox. This means that...
    Post by: Cosmo Bonsor, May 28, 2022 in forum: Steam Traction
  5. Cosmo Bonsor
    Post

    Stroke and Bore

    [IMG]
    Post by: Cosmo Bonsor, May 16, 2022 in forum: Steam Traction
  6. Cosmo Bonsor
    Post

    Manning Wardles "YEO" and "EXE" new-build

    Not to get into a blah about it, but I have seen this very thing happen. Engine re-wheeled, put into gear, shot off in the unexpected direction....
    Post by: Cosmo Bonsor, May 14, 2022 in forum: Narrow Gauge Railways
  7. Cosmo Bonsor
    Post

    Manning Wardles "YEO" and "EXE" new-build

    If there are eccentrics on the axle for Stephenson's gear, the engine will go in the opposite direction to the one selected by the reverser. Seen...
    Post by: Cosmo Bonsor, May 14, 2022 in forum: Narrow Gauge Railways
  8. Cosmo Bonsor
    Post

    4555 Damage at South Devon?

    TL;DR Driving choo choos is tricky. Who knew?
    Post by: Cosmo Bonsor, May 10, 2022 in forum: Steam Traction
  9. Cosmo Bonsor
    Post

    4555 Damage at South Devon?

    3 metres? Are you serious? That's SPAD or carriage door off the platform territory. Think about the squeeze on coach buffers. There's only a few...
    Post by: Cosmo Bonsor, May 9, 2022 in forum: Steam Traction
  10. Cosmo Bonsor
    Post

    4555 Damage at South Devon?

    There’s two separate but related issues being talked about here. How do you avoid hitting stock too hard and how do you know where you are in...
    Post by: Cosmo Bonsor, May 9, 2022 in forum: Steam Traction
  11. Cosmo Bonsor
    Post

    4555 Damage at South Devon?

    Absolutely this. I've seen comments before about stopping short then buffering up. Totally the wrong way to drive a steam engine.
    Post by: Cosmo Bonsor, May 6, 2022 in forum: Steam Traction
  12. Cosmo Bonsor
    Post

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

    It's Timmis. GIFY https://en.wikipedia.org/wiki/Timmis_system And https://railcar.co.uk/technology/bogies/springs The ones I was familiar with on...
    Post by: Cosmo Bonsor, Apr 24, 2022 in forum: Steam Traction
  13. Cosmo Bonsor
    Post

    Bulleid Pacifics - Past or Present

    Dampfloks is a commonly used plural. https://www.dampflokomotivarchiv.de/index.php?nav=1000001&lang=1
    Post by: Cosmo Bonsor, Apr 23, 2022 in forum: Steam Traction
  14. Cosmo Bonsor
    Post

    Bulleid Pacifics - Past or Present

    I find this sort of technical discussion interesting, partly because I used to work in a factory that made gears. I was a machinist, then in QA....
    Post by: Cosmo Bonsor, Apr 21, 2022 in forum: Steam Traction
  15. Cosmo Bonsor
    Post

    Bulleid Pacifics - Past or Present

    Regarding chain tension, the main problem you are trying to solve is maintain the angle of the jockey shaft in relation to the crank shaft. This...
    Post by: Cosmo Bonsor, Apr 19, 2022 in forum: Steam Traction
  16. Cosmo Bonsor
    Post

    Bulleid Pacifics - Past or Present

    A couple of points about the engineering if I may. The idea of the chains ‘elongating’ rather than stretching is confused by the terminology. It...
    Post by: Cosmo Bonsor, Apr 15, 2022 in forum: Steam Traction
  17. Cosmo Bonsor
    Post

    Bluebell Railway General Discussion

    I don't think the Bluebell will become another mainly BR Std and Mk 1 railway because of the popularity with our visitors of our interesting older...
    Post by: Cosmo Bonsor, Apr 9, 2022 in forum: Heritage Railways & Centres in the UK
  18. Cosmo Bonsor
    Post

    Bluebell Railway General Discussion

    The facing point at the country end of the loop had an Annett's key on the staff. The London end points were just a hand point. There were no...
    Post by: Cosmo Bonsor, Mar 28, 2022 in forum: Heritage Railways & Centres in the UK
  19. Cosmo Bonsor
    Post

    P2 Locomotive Company and related matters

    If the axle boxes have wedges, they are slackened off, so the box is loose in the horns. Then a spare herbert jumps up and down on a pinch bar to...
    Post by: Cosmo Bonsor, Feb 9, 2022 in forum: Steam Traction
  20. Cosmo Bonsor
    Post

    Current and Proposed New-Builds

    So Tom , what oil is best in my steam loco? I'll get my coat, it's the one covered in oil.
    Post by: Cosmo Bonsor, Jan 4, 2022 in forum: Steam Traction
  21. Cosmo Bonsor
    Post

    Current and Proposed New-Builds

    ` Nicely put Steve, better than I could have done, especially with being a one fnigered tyspit. Now go to the car and bike forums to explain that...
    Post by: Cosmo Bonsor, Jan 4, 2022 in forum: Steam Traction
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