Forums Power and Sound Live Steam
  • Topic: Did You Know...

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    • February 26, 2021 6:09 PM EST
      • Saint Johns, Florida
         
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      Did You Know...

      Late model Accucraft Rubies have electrically insulated wheels! I got my Ruby in January 2020 and had no idea. It is not mentioned anywhere.

      I found out quite by accident. My testing and running prove that my wheels are electrically insulated.

      I was steaming on our club layout while the track was energized and another club member was running his track powered train and it did not short out the system.


      I put an ohm meter to the wheels to confirm the insulated wheels. Meter read infinity.


      I set up a piece of track on my work bench and powered it from a bench power supply then put a DC volt meter to the rails with my Ruby on the rails and applied 16 VDC to the rails, and no short.

      HUZZAH!

       

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    • February 26, 2021 6:56 PM EST
      • South Central , PA
         
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      But how did it steam up for you ?

    • February 26, 2021 8:47 PM EST
      • Saint Johns, Florida
         
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      It's been running great for the past year. That wasn't the point of this topic though. Running a live steam loco is an entirely different but enjoyable part to large scale model railroading.

       

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    • February 27, 2021 2:30 PM EST
      • Fort Myers Beach & Annapolis, Florida & Maryland
         
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      have electrically insulated wheels

      I believe the 2-cyl Shay has them too. It has rims that are installed with an epoxy insulator - I suspect your Ruby is the same. Be aware the Shay has been known to overheat the wheels and then the rims fall off.

      Regner Easy Line locos have insulation in the wheel hubs and (most?) are outside-framed so they are insulated. As long as you don't tighten the set screws that hold the wheels in gauge too far, and break the screws through the insulation. 

      I think all Roundhouse Engineering steam locos are insulated.

      This post was edited by Pete Thornton at February 27, 2021 2:31 PM EST
      ____________________________________

       

        Pete

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