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Will it fly?

  1. Feb 22, 2008 #1


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  2. jcsd
  3. Feb 22, 2008 #2


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    There's a similair system for tugs invented about 100years ago - the Voith Schneider Propeller
    You have a set of vertical blades spinning about a vertical axis - as the blades go round you vary the pitch of each to change the direction the tug goes in. It allows it to move in any direction and turn in the spot.
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