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23359Re: Which of these two is better ??

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  • Lajos Thek
    Jun 1, 2004
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      --- In z_scale@yahoogroups.com, zbendtrack@a... wrote:

      > Don't forget that on ALL curves, one wheel
      > will roll, the other wheel will
      > slide. Same with 1:1 trains.


      Not so. The 1:1 trains have (not exactly, but close to)
      tapered profile. The reason, to avoid slippage in the
      turns. The inner wheel rolls on the smaller diameter, the
      outer wheel rolls on the -closer to the flange- larger
      diameter part of the wheel. High speed trains have "more
      flat" profile than trains running on smaller radius turns.
      The actual profile is very sophisticated, it compensates
      for the projected wear too.
      Lajos
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