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UP 4014

Discussion in 'International Heritage Railways/Tramways' started by athelney, Jul 23, 2013.

  1. GWR4707

    GWR4707 Resident of Nat Pres

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    guycarr360 Member

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  3. 240P15

    240P15 Member

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    The safety-valves I assume
     
  4. Ploughman

    Ploughman Well-Known Member

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    There is a bell as well.
     
  5. guycarr360

    guycarr360 Member

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    On top of firebox crown, going to ask on the UP forum what it is!!!
     
  6. guycarr360

    guycarr360 Member

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    Interesting that the model only comes with a coal tender, for an up to date look, an oil tender would be a nice touch, she currents runs with UP 3985's tender, as her own gets converted.
     
  7. keith6233

    keith6233 New Member

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  8. guycarr360

    guycarr360 Member

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    marshall5 Well-Known Member

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  10. guycarr360

    guycarr360 Member

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    Worth noting the return trip on 13th October, is now being advertised to UP Steam members at 50% discount.
     
  11. marshall5

    marshall5 Well-Known Member

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  12. guycarr360

    guycarr360 Member

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    Well after a weekend working up and down Cajon Pass, plenty of video clips are emerging, this one gives us a bit of an idea.
    BTW, the 2 Diesels in the consist, are for dynamic braking going down the pass, one was considered not to be enough!!!

    Enjoy


     
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  13. 5944

    5944 Well-Known Member

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    23 carriages, two diesels and two extra tenders, and it still barely coughs at times!
     
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  14. guycarr360

    guycarr360 Member

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    Wait until they throw 200 box cars on the drawbar, might get a bit of a chirp from her then!!

    That is the next item according to UP, once this tour has completed.
     
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  15. Johnb

    Johnb Resident of Nat Pres

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    I still look at the DVD of the Challenger taking a 141 car double stack over Sherman Hill, one of the most impressive railway feats of all time
     
    Last edited by a moderator: Oct 17, 2019
  16. Spamcan81

    Spamcan81 Nat Pres stalwart

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    It’s Archer Hill in the sequence that I think you’re recalling but no less impressive for that. It’s just mind blowing.
     
    Last edited by a moderator: Oct 17, 2019
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  17. Spamcan81

    Spamcan81 Nat Pres stalwart

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    Deleted.
     
    Last edited: Oct 16, 2019
  18. Spamcan81

    Spamcan81 Nat Pres stalwart

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    And for those who've never seen it :
     
    Last edited: Oct 16, 2019
  19. Dunfanaghy Road

    Dunfanaghy Road New Member

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    What gradient is Archer Hill, please?
    Pat
     
  20. Jamessquared

    Jamessquared Nat Pres stalwart

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    In that direction, apparently 0.7% for 2.8 miles - that's about 1 in 140 in British terms. The curves would add significantly to the train resistance on such a long train.

    It's also about 6,000 feet above sea level, at which point atmospheric pressure is around 80% of sea level. I wonder if that is enough to have a measurable effect on the power output on a steam loco? It's certainly enough to have an impact on normally aspirated internal combustion engines.

    Tom
     

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