Water moving means (2) for towing a swimmer or diver, comprising: a housing body (4); anda drive motor (6) which exerts a drive torque on a propeller (12) connected to the drive motor, the drive motor (6) being arranged outside the housing body (4), characterized in that the drive motor (6) is mounted on a hollow shaft (14) and is rotatably mounted about it, the hollow shaft (14) being arranged on the housing body (4) in a rotationally fixed manner and carrying a motor stator (18).
展开▼