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Nova 3

Discussion in 'Diesel & Electric Traction' started by Victor, Sep 5, 2019.

  1. weltrol

    weltrol Member

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    I thought that was the 'Fell' locomotive,

    [​IMG]
     
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  2. 60017

    60017 Part of the furniture Friend

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    Wassat...2-bo-bo-2? Or 2-4-4-2?
     
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  3. Spamcan81

    Spamcan81 Nat Pres stalwart

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    According to Wikipedia : "Using differential gearing to transmit the power, it was built as a 4-8-4 with the coupling rods connecting the centre four pairs of driving wheels. The coupling rods between the innermost axles were later removed, but as the four axles were driven by a single gearbox, it remained a 4-8-4".

    Make of that what you will.
     
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  4. D1039

    D1039 Member

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    The one I was reading about was a modern one, when lower power is required it drops to one bank of cylinders. Which engine it was I can't remember

    Patrick
     
  5. Fred Kerr

    Fred Kerr Part of the furniture

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    I suspect you are talking about the new Bombardier 4-engine locomotive in which only the engines required for the current load / speed operation are powered : link at https://www.bombardier.com/en/media...rdierdeliverstraxxdieselmu.bombardiercom.html
     
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  6. Cartman

    Cartman Member

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    Cadillac tried something similar with one of their V8s in the late 70s, the idea was some of the cylinders stopped firing when the car was at cruising speed and it effectively became a V4
     
  7. RalphW

    RalphW Part of the furniture Staff Member Administrator Friend

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    From the Ford Media Centre
    "The 1.0-liter EcoBoost engine featuring cylinder deactivation technology will from early 2018 deliver reduced running costs for customers by automatically stopping one of the engine’s cylinders when full capacity is not needed, such as when coasting or cruising with light demand on the engine."
     
  8. Victor

    Victor Part of the furniture Friend

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    Bentley Continental, that has (or had) a cylinder deactivation system where half the V12 shut down when not required.
     
  9. D1039

    D1039 Member

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    Thanks, but no. It wasn't multi-engines with engines switching in and out, it was an engine with cylinders switching in and out. Rather than monopolise the thread I should stop it here, and I apologise for distracting everyone!

    Patrick
     
  10. 35B

    35B Part of the furniture

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    And at what pace? I’ve used the 68 hauled services out of Marylebone a few times, and the power gives them the pace to run turn and turn about with the units on the line.


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  11. The Saggin' Dragon

    The Saggin' Dragon Part of the furniture Staff Member Moderator

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    I used to have a Capri that did much the same thing ... a bit more randomly perhaps :D
     
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  12. jsm8b

    jsm8b Well-Known Member

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    Oh yes -- been there :Arghh:
     
  13. Mandator

    Mandator Member

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    Was it cylinders switching out or valves being kept open whilst the spark plugs and appropriate injection cycle interrupted.
    This, I think, is a system used on Ford Mustangs on cruise.

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  14. buzby2

    buzby2 New Member

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    Nothing new under the sun.
    Reminds me of BR 10100 in 1950, designed by Lt. Col. L. F. R. Fell, but was scrapped in 1960 after a fire.
    Apologies for thread drift.
     
  15. Mandator

    Mandator Member

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    All 60 cylinders!!!

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