Foilboard

Abstract

To provide a foilboard, in particular an e-foil, which can be ridden by a rider in a seating position and which has a good controllability and is save to use, a foilboard, in particular e-foil, is proposed comprising a board and a hydrofoil, the hydrofoil comprising a mast and at least one wing, wherein the mast is attached to an underside of the board, wherein the foilboard further comprises a seating device for a ride to sit on, wherein the seating device is arranged on a top side (18) of the board, such that the seating device can be rolled at least in a forward direction and in a backward direction by the rider to control and/or steer the foilboard.

What is claimed is: 
     
         1 . A foilboard watercraft comprising: a foilboard, in particular e-foil, comprising a board and a hydrofoil, the hydrofoil comprising a mast and at least one wing, wherein the mast is attached to an underside of the board, wherein the foilboard further comprises a seating device for a rider to sit on, characterized in that the seating device is arranged on a top side of the board, such that the seating device can be rolled at least in a forward direction and in a backward direction by the rider by leaning to a particular direction to control and/or steer the foilboard. 
     
     
         2 . A foilboard watercraft according to  claim 1 , characterized in that the seating device has a convex, rounded bottom surface being in contact with the top side of the board, and that the seating device can be rolled on the rounded bottom surface in the forward direction and in the backward direction, and/or in that a rider can shift a center of gravity of foilboard and rider by rolling the seating device. 
     
     
         3 . A foilboard watercraft according to  claim 2 , characterized in that the rounded bottom surface has a front section, a middle section and a rear section, wherein a curvature radius of the rounded bottom surface is different between at least two, preferably between all, of the front section, the middle section and the rear section. 
     
     
         4 . A foilboard watercraft according to  claim 3 , characterized in that the curvature radius is configured progressively and/or continuously increasing from the front section over the middle section to the rear section. 
     
     
         5 . A foilboard watercraft according to  claim 3 , characterized in that the curvature radius in at least a section of the front section is between 5 cm and 50 cm, preferably between 10 cm and 30 cm, furthermore preferably between 15 cm and cm, and/or that the curvature radius in at least a section of the middle section is between 100 cm and 1.000 cm, preferably between 300 cm and 500 cm, furthermore preferably between 350 cm and 400 cm, and/or that the curvature radius in at least a section of the rear section  23   c  is at least 1.000 cm, preferably at least 10.000 cm, furthermore preferably essentially infinite. 
     
     
         6 . A foilboard watercraft according to  claim 3 , characterized in that the seating device comprises a main body and a seat body, the main body preferably comprising the rounded bottom surface, wherein the seat body is arranged slidably, preferably in the forward direction and the backward direction, at the main body. 
     
     
         7 . A foilboard watercraft according to  claim 6 , characterized in that the main body comprises side elements and at least one connection element, wherein the side elements are arranged at a distance from each other and connected to each other by the at least one connection element, such that a recess or a free space is formed between the side elements, and that the seat body is arranged in the recess or in the free space, and that preferably the at least one connection element comprises at least one, further preferably at least two, struts extending between the side elements. 
     
     
         8 . A foilboard watercraft according to  claim 7 , characterized in that guiding means, in particular rails or grooves, are arranged on the side elements, preferably on inner sides of the side elements, and oriented towards the recess and/or free space, wherein the guiding means are further preferably arranged horizontally, and that the seat body comprises guide elements, in particular wheels or protrusions, interacting with the guiding means to allow sliding the seat body, preferably in the forward direction and the backward direction, in the recess and/or free space. 
     
     
         9 . A foilboard watercraft according to  claim 1 , further comprising a base body, the base body being arranged on and/or fixed to the board, and that the seating device, preferably the main body, is secured to the base body such that the seating device can be rolled in the forward direction and in the backward direction, and that the base body is preferably arranged between the side elements. 
     
     
         10 . A foilboard watercraft according to  claim 9  characterized in that the base body comprises on each lateral side a pin or bolt, and that the seating device comprises receptacles, in particular holes or a grooves, for the pins  38  or bolts, wherein preferably the receptacles are arranged on the main body, further preferably on inner sides of the side elements, wherein still further preferably the receptacles  39  are configured as grooves, wherein the grooves have a rounded shape, in particular a horse-shoe shape or a cycloidal shape. 
     
     
         11 . A foilboard according to  claim 9  characterized in that the seating device, preferably the main body, comprises a passageway extending from the bottom surface, preferably from the middle section of the bottom surface, to an upper surface of the seating device, preferably the main body, the passageway having a cross section equal to or larger than a cross section of the base body, such that the base body can be guided from the upper surface through the passageway to the bottom surface, wherein further preferably the passageway extends between the connection elements, in particular between the struts. 
     
     
         12 . A foilboard according to  claim 11 , characterized in that the passageway comprises base body guiding means for guiding the pins or bolts of the base body, wherein preferably the base body guiding means are, further preferably vertically arranged, grooves, wherein the grooves are arranged on the inner sides of the side elements, and wherein the grooves extend into the receptacles. 
     
     
         13 . A foilboard according to  claim 1 , characterized in that the foilboard further comprises a motor, preferably an electric motor, and propulsion means, preferably a propeller, an impeller or a water jet, and that the motor is configured to drive the propulsion means, and/or that seating device, preferably the main body, furthermore preferably the side elements, comprise handle bars, wherein preferably at least one of the handle bars comprises control elements for controlling the motor of the foilboard, and/or wherein at least one of the handle bars comprises a controller receptacle for a handheld controller for the motor. 
     
     
         14 . A foilboard watercraft according to  claim 1  comprising a seating arrangement for a foilboard, a seating device for a rider to sit on with a, preferably convexly, rounded bottom surface, wherein the seating device, when arranged on a top side of a board of the foilboard can be rolled on the rounded bottom surface in a forward direction and in a backward direction to control and/or steer the foilboard. 
     
     
         15 . A foilboard watercraft according to  claim 14  watercraft comprising a seating arrangement, wherein the seating device comprises a main body and a seat body, the main body comprising the rounded bottom surface, wherein the seat body is arranged slidably, preferably in the forward direction and the backward direction, at the main body, and/or wherein the seating arrangement further comprises a base body that can be arranged on and/or fixed to the board, and that the seating device, preferably the main body, can be secured to the base body such that the seating device can be rolled in the forward direction and in the backward direction. 
     
     
         16 . A foilboard watercraft according to  claim 2 , where the convex rounded bottom surface being in contact with the top side of the board enables the seating device to be rolled in any particular direction by a rider by leaning forward or backward.