Newly Invented Jet

Discussion in 'Jet Drives' started by Ximing Huang, Jun 7, 2012.

  1. SamSam
    Joined: Feb 2005
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    Location: Coastal Georgia

    SamSam Senior Member

    As far as I can tell, it sounds like a perpetual motion machine or my dog chasing her tail.

  2. magny7
    Joined: Jan 2010
    Posts: 33
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    Location: Surabaya

    magny7 Junior Member

    From engineering stand point, it could be done. But from Economics, it would be wildly inefficient. If you skating, it is wiser to propel yourself by swaying your body than to blow wind from your mouth backward
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