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Highland Railway Steam Locos :- Jones locomotives

Discussie in 'Steam Traction' gestart door neildimmer, 3 feb 2014.

  1. neildimmer

    neildimmer Resident of Nat Pres

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    Evening All



    I have added a new collection to the LMS section, featuring the Highland Railway and Jones designed locos



    Jones Skye Bogie L Class

    http://railway-photography.smugmug.com/LMSSteam/Jones-Highland-Railway-locomot/Jones-Assorted-designs/i-qs4WK6h

    Jones E 'Clyde Bogies' Class

    http://railway-photography.smugmug.com/LMSSteam/Jones-Highland-Railway-locomot/Jones-Assorted-designs/i-7sQtPGH

    Jones Goods

    http://railway-photography.smugmug.com/LMSSteam/Jones-Highland-Railway-locomot/Jones-Assorted-designs/i-6SjXjJp

    Jones 'O' Class

    http://railway-photography.smugmug.com/LMSSteam/Jones-Highland-Railway-locomot/Jones-Assorted-designs/i-t4TC9d3



    Neil
     
    neildimmer, 3 feb 2014
    #1
  2. Paul Grant

    Paul Grant Well-Known Member

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    Almost all of them look like Inverness. Certainly #4 and 6 are. #1 is the only one that isn't. Turntable, next to trees? Dingwall?
     
    Paul Grant, 3 feb 2014
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  3. Neil_Scott

    Neil_Scott Part of the furniture

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    No.3 could be at Perth but I'm not 100% sure.
     
    Neil_Scott, 4 feb 2014
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  4. Steamage

    Steamage Part of the furniture

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    The Skye Bogies are surprisingly dainty-looking locos. Presumably intended for the Dingwall-Kyle line, from the name? The louvred chimneys are very distinctive and, I think, unique to Jones' locos. Does anyone know why he designed them that way? I guess it's to help with the exhaust and draughting, but does it reduce back-pressure somewhere, or improve the draught when not working hard, or what?

    After a little Googling, I can answer my own question: according to the Wikipedia page on Jones' HR locos, "... his special louvered chimney. This invention involved the division of the chimney into a central exhaust tube and an outer concentric ring into which air was projected through the louver slits down the front of the chimney casing. The increase in air resistance was induced by deflector plates. By this means, a draught was supplied when the engine was running with its steam cut off, as happened for long stretches on the hilly Highland line."
     
    Steamage, 4 feb 2014
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  5. paulhitch

    paulhitch Guest

    No-one really knows why.

    Paul H
     
    paulhitch, 4 feb 2014
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  6. marshall5

    marshall5 Part of the furniture

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    Maybe also to 'lift' drifting smoke when coasting. Just a thought. Ray.
     
    marshall5, 5 feb 2014
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  7. Jamessquared

    Jamessquared Nat Pres stalwart

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    That was my understanding... Something to do with problems caused by the prevailing winds tending to be in a direction that caused smoke to drift back over the cab, and trying to find a solution to that problem.

    Tom
     
    Jamessquared, 5 feb 2014
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