3D Printed Rotary Tool

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http://www.3ders.org/articles/20130622-3d-printed-vacuum-powered-turbine-tool-spins.html

Another one - [1] - with full through spindle and bearings on both sides.

Assessment

  • Putting a geardown on this may work. Looks comparable to rotary tool power - rotary tools are 160W [2] as one example.
  • Because of fast spin - power can be decent, though torque very low.
  • Putting a geardown like on a 5000 RPM Motor looks feasible
  • Just looking at the vaccuuum size - say it's 1-2 hp - get 10% efficiency on turbine for the overall system.
  • There is a decent chance of high efficiency on a turbine, with minimum friction from bearings.
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