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Streamlined Non-Pacifics

Discussion in 'Steam Traction' started by DismalChips, Jan 9, 2019.

  1. Matt37401

    Matt37401 Part of the furniture

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    Did it not just do one (after dark) test run?
     
  2. Jamessquared

    Jamessquared Nat Pres stalwart

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    Not sure of the time of day, but that’s basically my understanding - one run from Eastleigh to I think either Micheldever or Basingstoke and back. Some bits of plywood may not have made the complete round trip...

    Tom
     
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  3. peckett

    peckett New Member

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    Yep ,621 which I photo'd last October on a Victor Harbor to Mount Baker train,527 in Port Adelaide Museum.
     

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  4. dublo6231

    dublo6231 New Member

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    Looking at some of the others put forward what about GT3? Would you say that it was streamlined - or is it maybe more "air smoothed" similar to a West Country/BoB?
     
  5. GWR4707

    GWR4707 Part of the furniture

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  6. 240P15

    240P15 Member

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    Thanks a lot for the link to the New York Central 4-6-4s Tobbes! :)

    Knut
     
  7. Hurricane

    Hurricane Member

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    This streamlining attempt from New York Central was beautiful........think it was called the Mercury.


    [​IMG]
     
  8. 240P15

    240P15 Member

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    Another streamlined beauty Andre Chapelons famous P.O.-Midi 231-726! :Happy:

    [​IMG]

    Knut:)
     
  9. arthur maunsell

    arthur maunsell New Member

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    No the "Big One" didn't use Pacifics, the "Also Ran Three " did though
     
  10. crigglestone

    crigglestone New Member

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    Please give us all a good laugh and post some pictures of the gwr's 'streamlined' things - 'barbara castle' and 'king awful' I think they were called.
     
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  11. Hurricane

    Hurricane Member

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    You mean this er beauty? I think the phrase “that will do” was probably used.....
    4C3701F2-62B8-4AFC-879B-23A1C7E74719.jpeg
     
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  12. LesterBrown

    LesterBrown Member

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    The less well executed pieces of streamlining had already been removed by the time this was taken.

    Why on earth did they insist on retaining the copper capped chimney, brass safety valve casing and standard livery?
     
  13. arthur maunsell

    arthur maunsell New Member

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    i think the point was that streamlining made very little ,if any, difference to performance and Collett was paying lip-service to the wishes of his Directors to be "trendy" . You've read the "plasticine" story right? The photo on face-value doesn't tel the whole story.
     
  14. Spamcan81

    Spamcan81 Resident of Nat Pres

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    To be fair, GWR locos never went fast enough to benefit from proper streamlining. ;)
     
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  15. Jimc

    Jimc Well-Known Member

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    Its kinda ironic that the style of streamlining Collett adopted was quite widely used thereafter, including several classes praised above.

    I've been trying to work out why it does look so dubious. The completely bare smokebox seems to be part of it - all the others seem ornamented with a decoration, a headlight or something. Its also more conventional to have a single full length casing covering all the boiler fittings rather than simply fairing them.
     
  16. Spamcan81

    Spamcan81 Resident of Nat Pres

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    It does not mean that they were aerodynamically efficient though.
     
  17. arthur maunsell

    arthur maunsell New Member

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    true and nor were any others. I think the "air-smoothing" was to facilitate mechanical washing wasn't it?

    I'll just leave this here 4073.jpg
     
    Last edited: Jan 12, 2019
  18. Spamcan81

    Spamcan81 Resident of Nat Pres

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    A4s certainly benefitted from streamlining on the high speed "flyers" and the wedge noses were very good at lifting the exhaust. Bulleid made no such claims for his air smoothing and as for facilitating mechanical washing, I've read much debate about this with no definitive answer either way.
     
  19. arthur maunsell

    arthur maunsell New Member

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    the benefits would only be at very high speeds (ie not everyday speeds) and would I think be marginal.I believe greater advantage was acheived by streamlining between and underneath the carriages.It would only take one window left open to negate most of the measures I imagine.

    I'm not an Engineer so this is just an opinion (same as almost everyone else on here)
     
  20. flying scotsman123

    flying scotsman123 Part of the furniture

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    It's well known that Saints could reach speeds of 135mph! :D
     
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