Sailboat

Abstract

A sailboat is described having a boat hull (1), two flow profiles (2, 3) protruding laterally from the boat hull (1), and at least one underwater hydrofoil (16). To be able to achieve high travel velocities while maintaining the stability of the sailboat and balanced control behavior, it is proposed that the flow profiles (2, 3) protrude outward in a V shape from the boat hull and each have an aerodynamic stabilizer forming an aerodynamic aileron (4, 5), and/or the at least one underwater hydrofoil (16) is provided with a hydrodynamic stabilizer forming a hydrodynamic aileron.

Claims

1. A sailboat comprising: a boat hull; two flow profiles protruding laterally upward and outward in a V shape from the boat hull; and a sail extending upwardly from the boat hull and in a lateral location between the flow profiles, and an underwater hydrofoil connected with the boat hull, wherein each of the flow profiles has a respective aerodynamic stabilizer forming an aerodynamic aileron configured to derive lift or downward force from air flowing thereacross, and wherein the underwater hydrofoil has a hydrodynamic stabilizer forming a hydrodynamic underwater aileron.

2. The sailboat according to claim 1, wherein the flow profiles each has a hollow body spaced apart from the boat hull.

3. A sailboat comprising: a boat hull; two flow profiles protruding laterally outward in a V shape from the boat hull; and an underwater hydrofoil connected with the boat hull, wherein each of the flow profiles has a respective aerodynamic stabilizer forming an aerodynamic aileron configured to derive lift or downward force from air flowing thereacross, and wherein the underwater hydrofoil has a hydrodynamic stabilizer forming a hydrodynamic underwater aileron; and wherein a flow connection controllable via a valve is supported between the two hollow bodies of the flow profiles.

4. The sailboat according to claim 3, wherein the valve is configured as a multiport valve, from which a flow connection leads to a filling nozzle, said filling nozzle being positioned under the body of the boat hull and located under a water line thereof.

5. A sailboat comprising: a boat hull; two flow profiles protruding laterally outward in a V shape from the boat hull; and an underwater hydrofoil connected with the boat hull, wherein each of the flow profiles has a respective aerodynamic stabilizer forming an aerodynamic aileron configured to derive lift or downward force from air flowing thereacross, and wherein the underwater hydrofoil has a hydrodynamic stabilizer forming a hydrodynamic underwater aileron; and wherein a common controller is associated with the aerodynamic ailerons of the flow profiles and the hydrodynamic underwater aileron.

6. The sailboat according to claim 1, wherein the sailboat further comprises an aerodynamic elevator formed by two rudder blades linked laterally to the boat hull in a region of a bow of the sailboat.

7. The sailboat according to claim 1, wherein the sail is supported on a mainmast and an additional stabilizer is supported on an end of the mainmast opposite to the boat hull so that said sail rests with an uppermost, extended sail part on the stabilizer.

8. A method for sailing comprising providing a sailboat according to claim 1; and causing, under a windward heeling of the sailboat, an equilibrium between a torque generated by the aerodynamic ailerons or the hydrodynamic underwater aileron and a torque arising due to wind pressure.

9. The method according to claim 8, wherein the flow profiles each has a hollow body spaced apart from the boat hull.

10. A method for sailing comprising providing a sailboat comprising: a boat hull; two flow profiles protruding laterally outward in a V shape from the boat hull; and an underwater hydrofoil connected with the boat hull; wherein each of the flow profiles has a respective aerodynamic stabilizer forming an aerodynamic aileron configured to derive lift or downward force from air flowing thereacross; and wherein the underwater hydrofoil has a hydrodynamic stabilizer forming a hydrodynamic underwater aileron; and causing, under a windward heeling of the sailboat, an equilibrium between a torque generated by the aerodynamic ailerons or the hydrodynamic underwater aileron and a torque arising due to wind pressure; wherein a flow connection controllable via a valve is supported between the two hollow bodies of the flow profiles.

11. The method according to claim 10, wherein the valve is configured as a multiport valve, from which a flow connection leads to a filling nozzle, said filling nozzle being positioned under the body of the boat hull and located under a water line thereof.

12. A method for sailing comprising providing a sailboat comprising: a boat hull; two flow profiles protruding laterally outward in a V shape from the boat hull; and an underwater hydrofoil connected with the boat hull, wherein each of the flow profiles has a respective aerodynamic stabilizer forming an aerodynamic aileron configured to derive lift or downward force from air flowing thereacross; and wherein the underwater hydrofoil has a hydrodynamic stabilizer forming a hydrodynamic underwater aileron; and causing, under a windward heeling of the sailboat, an equilibrium between a torque generated by the aerodynamic ailerons or the hydrodynamic underwater aileron and a torque arising due to wind pressure; and wherein a common controller is associated with the aerodynamic ailerons of the flow profiles and the hydrodynamic underwater aileron.

13. The method according to claim 8, wherein the sailboat further comprises an aerodynamic elevator formed by two rudder blades linked laterally to the boat hull in a region of a bow of the sailboat.

14. The method according to claim 8, wherein the sail is supported on a mainmast and an additional stabilizer is supported on an end of a the mainmast opposite to the boat hull so that said sail mainsail rests with an uppermost, extended sail part on the stabilizer.

15. The sailboat according to claim 1, wherein the two flow profiles extend laterally outward and upward from the boat hull so that the V-shape is upwardly disposed.

16. The method according to claim 8, wherein in the sailboat the two flow profiles extend laterally outward and upward from the boat hull so that the V-shape is upwardly disposed.

Description

BRIEF DESCRIPTION OF THE DRAWING

(1) The subject matter of the invention is illustrated by way of example in the drawing. In the figures

(2) FIG. 1 shows a perspective view of a sailboat according to the invention in a simplified, schematic illustration,

(3) FIG. 2 shows a side view of the sailboat of FIG. 1, and

(4) FIG. 3 shows a top view of the sailboat of FIGS. 1 and 2.

DESCRIPTION OF THE PREFERRED EMBODIMENT

(5) A sailboat according to the invention comprises a boat hull 1 and two flow profiles 2 and 3, which protrude laterally from the boat hull. The flow profiles 2 and 3 are arranged in a V-shape in relation to one another and symmetrically in relation to the boat hull 1. The flow profiles 2 and 3 each have an aerodynamic stabilizer designed as an aerodynamic aileron 4 and 5. A hollow body 6 and 7 is arranged on each of the ends of the flow profiles 2 and 3 facing away from the boat hull 1. As can be inferred from FIGS. 2 and 3 in particular, the hollow bodies 6 and 7 are connected via a flow connection 8, which is indicated by dot-dash lines, and a multiport valve 9 incorporated into this flow connection 8. A flow connection 10 also leads from the multiport valve 9 to a filling nozzle 11 located under the waterline of the boat hull 1. The multiport valve 9 is used in this case to produce a flow connection between the hollow bodies 6 and 7 via the flow connection 8 on one side and between the filling nozzle 11 and one of these two hollow bodies 6 or 7 via the flow connections 10 and 8.

(6) A mast 12 having a mainsail 13 and a headsail 14 protrudes amidships from the boat hull 1. A downwardly protruding spar 15, which has an underwater hydrofoil 16 on its end opposite to the boat hull 1, which consists of two rudder plates 17 and 18, which are rotatably mounted on the spar 15 and therefore form a hydrodynamic aileron, is arranged in the region of the mast 12 on the lower side of the boat hull 1.

(7) A second downwardly protruding spar 19 is arranged in the tail region of the boat hull 1, which also has an underwater hydrofoil 20 on its end facing away from the boat hull 1, which is not designed as a hydrodynamic aileron like the underwater hydrofoil 16, but rather solely as a hydrodynamic elevator. The underwater hydrofoil 20 therefore has only a single rudder blade 21. The spar 19 is linked so it is rotatable about its longitudinal axis on the boat hull 1 to form a rudder. Both the spar 15 and also the spar 19 are designed as retractable into the boat hull 1 in this case.

(8) To avoid a disturbance of the hydrodynamic elevator 20 because of the water turbulence generated by the hydrodynamic aileron 16, the spar 19 is designed as longer than the spar 15, so that the two hydrodynamic ailerons 16 and 20 are located at different height levels but both on the plane of the longitudinal axis of the boat hull 1.

(9) To improve the aerodynamic properties of the sailboat according to the invention, a stabilizer 22 is provided on the end of the mast 12 opposite to the boat hull 1, which is designed so that the mainsail 13 rests with the uppermost, extended sail part on the stabilizer 22, so that the mainsail 13 terminates flush in the top region on top with the stabilizer 22.

(10) To accommodate the crew, in a sailboat according to the invention, a cockpit 23 arranged behind the mast 12 is provided in the boat hull 1, which is provided with two seats (not shown in greater detail in the drawing) for a helmsman and a bowman.

(11) Two rudder blades can be linked to the boat hull 1 laterally in the region of the bow as an additional aerodynamic elevator 24.