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vertical rotor drive

  1. Inventing and experimenting.

    General Discussion (sailing related)
    A lot of my interest in sailing is related to my hobby of tinkering. I wanted to bring up an idea I had. When I was a kid about 4 or 5, my parents knew a crazy old man that had a roadside attraction gone to ruin. He had elaborate devices powered by the wind , dolls that road bicycles on...
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