Articles from 2019

• Linear Stepper to Operate Turnouts

  May 2019 - Using stepper motors to operate model rail turnouts

  After being a bit disappointed with both my muscle wire and servo experiments to operate turnouts, I started doing a bit of research on linear actuators. While most were very expensive, I eventually stumbled on some at AliExpress by searching for the term ‘Miniature Slide Screw Stepper’ or ‘linear stepper’ and various combinations of similar words. They looked ideal so I bought some, similar to these:

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  Turnout ControlLinear Stepper Motors