Propeller Powered Electric Hoverboards

Omni Hoverboard by Catalin Alexandru Duru

www.allterrainhoverboards.com/
www.guinnessworldrecords.com/news/2015/5/video-watch-incredible-footage-of-farthest-flight-by-a-hoverboard-record-set-by-379420

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Arcaboard

www.arcaspace.com/en/arcaboard.htm
www.gizmag.com/arcaboard-hoverboard-arca-aerospace/41063/

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gas powered
www.youtube.com/watch?v=8aVIzyWO1HE