This is a Lego technic-compatible 40-teeth ring gear.

Combine together with companion parts and Lego Technic gears to build amazing reductors or gearboxes:

  • planet gear carrier (driver)
  • secondary planet gear carrier (with rounded central hole)
  • gearbox cap

  • This part was not yet tested with polished materials.
    PRINT AT YOUR OWN RISK.


    Dimensions

    IN: 2.205 w x 0.311 d x 2.205 h
    CM: 5.6 w x 0.79 d x 5.6 h

    Comments

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    Okay, this is pretty fantastic.
    August 19, 2013, 7:28 am
     
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