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track centers for curves

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  • Member since
    April 2003
  • 305,205 posts
track centers for curves
Posted by Anonymous on Monday, September 13, 2004 8:08 AM
Hi from England[:)], what are the track centers for double track mains on curves with 89ft Auto rack's and Auto Maxes being run. I want to build my layout so they dont hit each other.
  • Member since
    April 2003
  • 305,205 posts
Posted by Anonymous on Monday, September 13, 2004 8:20 AM
Well, it depends on the radius of the curve. The broader the radius, the closer you can place the tracks. Generally, though (assuming you're asking about HO trains), you should probably have the track centers at least 2 1/2" to 3" apart.
  • Member since
    April 2003
  • From: Martinez, CA
  • 5,440 posts
Posted by markpierce on Monday, September 13, 2004 8:45 AM
NMRA has recommended practices for track centers. See www.nmra.com.
  • Member since
    April 2003
  • From: Martinez, CA
  • 5,440 posts
Posted by markpierce on Monday, September 13, 2004 8:46 AM
I meant www.nmra.org.
  • Member since
    June 2001
  • From: Anderson Indiana
  • 1,301 posts
Posted by rogerhensley on Tuesday, September 14, 2004 7:17 AM
What you are looking for is S-8 Track Centers at http://www.nmra.org/standards/s-8.html

This breaks down track centers according to the Class (size) of equipment you are running and the radius of the curves.

Roger Hensley
= ECI Railroad - http://madisonrails.railfan.net/eci/eci_new.html =
= Railroads of Madison County - http://madisonrails.railfan.net/

  • Member since
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  • From: Crosby, Texas
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Posted by cwclark on Tuesday, September 14, 2004 7:51 AM
I model HO and a 2" center to center on straight track and 21/2" center to center on curves work well...Chuck

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  • 305,205 posts
Posted by Anonymous on Wednesday, September 15, 2004 4:09 PM
Thanks for everyone, u have been a great help

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