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  • The gearbox is obsolete

    Discussion in 'The main mechanical design forum' started by AlbertSix, Oct 6, 2011.

    1. AlbertSix

      AlbertSix New Member

      Sep 2011
      Likes Received:
      After a century of loyal services the gearbox will go the way of the typewriter and the film photyography. Its replacement is ready. It is the Torque Box.
      This is a combination of a differential and a speed variator. The differential amplify indefinitely the speed range of the speed variator.
      The main advantages are:
      - The motor can be kept running at its optimum speed and save energy.
      - Possibility to downsize the motors.
      - Continuous speed variation from zero speed to maximum speed.
      - Very high torque at low speed. Any vehicle could climb any slope. A bulldozer could move a mountain.
      - Simple construction.
      - No need to develop a new technology. Differentials and speed variators have been with us for a long time.
      See animation of a Torque Box at: http://www.TorqueUnlimited.Biz
    3. Dana

      Dana Well-Known Member

      Sep 2010
      Likes Received:
      A clever way of making a reversing CVT drive, but it hardly makes the gear box "obsolete". It still is a gearbox, more or less.

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