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Thread: Track difference?

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    Default Track difference?

    Hello all,

    I am a newbie here. I have lots to learn after being out of trains for 40 years.

    I see a lot of mention about Code 40 and code 100 etc track. Stupid question, but what does it mean?

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    Hello,

    Code refers to the height of the rail in thousandths of inches. Code 40 is .040 of an inch high, code 55 is .055, code 70 is .070, etc.

    Multiply the height by the scale it is being used for to determine what its actual height would be in inches. For example, code 40 in N scale would be .040 x 160 = 6.4 inches. Code 70 scales out to .070 x 160 = 11.2 inches, which is grossly out of scale.

    But in HO scale, code 70 scales out to a tad over 6 inches, close to 100-pound rail (100 pounds per yard).
    Paul Schmidt

    Southern Railway's Slate Fork Branch


    Proud member of the Milwaukee Road Historical Association and the Southern Railway Historical Association

    Check out Appalachian Railroad Modeling!

    Did l mention that I still like the SP&S?

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    Thank you very much for the explanation Paul.

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    Picture is worth a thousand, scroll about 3/4 down the page: http://www.trainboard.com/highball/i...y.72295/page-2

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    Older deep wheels i.e. "pizza cutters" are unlikely to run on Code 40 rails - there are minimal pre-made turnouts as well. Atlas code 55 has small spikes that may also result in bumping along with pizza cutter wheels - you may have to grind down locomotive wheels - not recommended for a newby. Peco Code 55 has unrealistic tie spacing [for North American railways] but embedded code 70 rails [?] without projecting spikes to allow for operation with pizza cutter wheels - as well as a series of code 55 turnouts, crossings etc. Atlas has a series of code 55 turnouts as well, Micro-Engineering has code 55 but only No. 5 turnouts.

    Code 70 rails were the prevailing standard and still are if one can accept a non-prototype rail height - Code 55 scales out to 140lb rail - most mainlines in North America use 120lb rail.

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    Quote Originally Posted by Scotian_Huntress View Post
    most mainlines in North America use 120lb rail
    Hmm, not really. Most mainline rail in North America is north of 130 pounds these days.
    Paul Schmidt

    Southern Railway's Slate Fork Branch


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    Check out Appalachian Railroad Modeling!

    Did l mention that I still like the SP&S?

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    I stand corrected

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    Quote Originally Posted by Scotian_Huntress View Post
    I stand corrected
    In these cases, I myself prefer sitting in a comfy chair.

    That is unless @Moose2013 is charging at me. Even running corrected provides no safe haven.
    Last edited by Paul Schmidt; 10th Sep 2018 at 02:41 PM.
    Paul Schmidt

    Southern Railway's Slate Fork Branch


    Proud member of the Milwaukee Road Historical Association and the Southern Railway Historical Association

    Check out Appalachian Railroad Modeling!

    Did l mention that I still like the SP&S?

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    Quote Originally Posted by Paul Schmidt View Post
    In these cases, I myself prefer sitting in a comfy chair.
    Me too - for additional information supporting @Paul Schmidt see:
    https://en.wikipedia.org/wiki/Rail_p...#North_America

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    Quote Originally Posted by Scotian_Huntress View Post
    Peco Code 55 has unrealistic tie spacing [for North American railways] but embedded code 70 rails [?] without projecting spikes to allow for operation with pizza cutter wheels - as well as a series of code 55 turnouts, crossings etc.
    I think it is Code 80 embedded.

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    Quote Originally Posted by kingmeow View Post
    I think it is Code 80 embedded.
    Yes it is embedded into the ties. But to clarify, it's not typical C80 rail, the rail has a double flange (or foot) to hold in the plastic ties.

    This is best picture I could fine of it ( and no, I'm not suggesting to buy from this vendor)


    http://www.nscalesupply.com/PEC/PEC-.html
    The Little Rock Line blog


    “Never argue with an idiot. They will only bring you down to their level and beat you with experience." George Carlin

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