| 摘要 |
<p>Drive system for water sports use consisting of floating element (2 on fig. 1) closed on all sides fitted on it's inside with an energy source such as a motor or battery to drive at least one drive unit (such as a turbine wheel (5), propeller etc.) located near the bow area and equipped within the stern area with a towing bar (7) fitted with control elements. The drive system may use a two stroke motor as the energy source which drives two turbine wheels through a reduction gear with a power take off. The turbine wheels (5) are located on the side below the floating element in flow channels which are open both to the front and the rear.</p> |
