Water sport device having a fin
The invention relates to a water sport device having a sitting or standing surface ( 2 ) for a person practicing water sports, a jet drive ( 8 ) and a pivotable nozzle ( 13 ), wherein a fin ( 23 ) is disposed at the nozzle ( 13 ) and is arranged in a fixed position relative to said nozzle.
1. A surfboard, comprising:
a sitting or standing surface ( 2 ) for a person practicing water sports,
a jet drive ( 8 ),
a pivotable nozzle ( 13 ),
wherein a fin ( 23 ) is provided on the pivotable nozzle ( 13 ) and is mounted in a fixed position relative to the pivotable nozzle ( 13 ) and by an inlet ( 19 ) in an underwater surface ( 16 ) of the surfboard and wherein water is sucked in through the inlet ( 19 ) and is accelerated by a propeller ( 21 ) provided in a water channel between the inlet ( 19 ) and the nozzle ( 13 ) and is pushed out of the pivotable nozzle ( 13 ); and
wherein the fin ( 23 ) has a rear control surface ( 23 a ) located behind the axis of rotation (D) of the nozzle ( 13 ) in a direction of movement of the surfboard and a front control surface ( 23 b ) provided in front of an axis of rotation (D) of the nozzle ( 13 ) in the direction of movement.
2. The surfboard according to claim 1 , wherein the nozzle ( 13 ) the fin ( 23 ) are mounted to pivot around an axis of rotation (D).
3. The surfboard according to claim 1 , wherein the sitting or standing surface ( 2 ) for a person practicing water sports and in that the axis of rotation (D) perpendicularly oriented to the sitting or standing surface ( 2 ).
4. The surfboard according to claim 1 , wherein the fin ( 23 ) is fixed to a water side of the nozzle ( 13 ) by nylon screws ( 22 a , 22 b ).