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Union Pacific with G Scale models in a wind tunnel

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  • Guest
    #1

    Union Pacific with G Scale models in a wind tunnel

    Interesting article of UP using G Scale models in a wind tunnel for fuel economy design.

    It’s All About Drag: Revolutionizing Railroad Fuel Conservation
    https://www.up.com/aboutup/community/inside_track/aerodynamic-covered-hoppers-08-07-2018.htm
    Inside Union Pacific’s new aerodynamics laboratory, Wayne Kennedy slides on big green sound-proof ear muffs and cranks the motor powering a mach 0.2 wind tunnel. The 50-foot-long wood, steel and acrylic glass machine roars to life. Smoke swirls around a G-scale model train.
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    • Guest
      #2
      Yes, really interesting!
      Thanks for sharing :thumb2:

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        • Tim Marlow
          SMF Supporters
          • Apr 2018
          • 18873
          • Tim
          • Somerset UK
          #3
          Interesting picture. Can’t see the aerodynamics in the design though, those containers are about as aerodynamic as a brick
          Cheers
          Tim

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            • Guest
              #4
              Polux, You're very welcome.

              Tim, Haha, true that! However, the video talks a little more about the covered hoppers though.

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