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A wakeboat has a hull, the hull forming a wake when moving forward in the water, with a port disturbance and a starboard disturbance in the wake. A trim tab is supported by the hull at the stern of the hull. The trim tab comprises a primary subtab and a secondary subtab. One or more actuators may be

A wakeboat has a hull, the hull forming a wake when moving forward in the water, with a port disturbance and a starboard disturbance in the wake. A trim tab is supported by the hull at the stern of the hull. The trim tab comprises a primary subtab and a secondary subtab. One or more actuators may be optionally included to reposition the trim tab more into, or more out of, the water. Other systems and methods are also provided.

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1. A system for forming asymmetric surf wakes behind a wakeboat, comprising: a hull having a port side, a starboard side, a bow, a stern, a length from the bow to the stern, and a width from the port side to the starboard side, the hull being configured to float in water with a waterline on the outs

1. A system for forming asymmetric surf wakes behind a wakeboat, comprising: a hull having a port side, a starboard side, a bow, a stern, a length from the bow to the stern, and a width from the port side to the starboard side, the hull being configured to float in water with a waterline on the outside of the hull;the hull having a yaw axis, the yaw axis running substantially vertically through the hull;the hull having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially laterally across the width of the hull;the hull having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially along the length of the hull;a primary left trim tab pivotally supported by the hull proximate the port side of the stern for rotation about a first tab axis that is substantially parallel with the waterline when the hull is at rest in the water;a secondary left trim tab pivotally mounted to the primary left trim tab for rotation about a second tab axis that is non-parallel to the first tab axis;first means, including an actuator, for rotating the primary left trim tab around the first tab axis between a position having decreased interaction with the water passing beneath the hull and a position having increased interaction with the water passing beneath the hull and for rotating the secondary left trim tab around the second tab axis between a position having decreased interaction with the water passing beneath the hull and a position having increased interaction with the water passing beneath the hull;a primary right trim tab pivotally supported by the hull proximate the starboard side of the stern for rotation about a third tab axis that is substantially parallel with the waterline when the hull is at rest in the water;a secondary right trim tab pivotally mounted to the primary right trim tab for rotation about a fourth tab axis that is non-parallel to the third tab axis;second means, including an actuator, for rotating the primary right trim tab around the third tab axis between a position having decreased interaction with the water passing beneath the hull and a position having increased interaction with the water passing beneath the hull and for rotating the secondary right trim tab around the fourth tab axis between a position having decreased interaction with the water passing beneath the hull and a position having increased interaction with the water passing beneath the hull; anda controller with at least one actuator interface, the controller in selective communication with at least one of the first and second means. 2. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the secondary left trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its yaw axis in the direction which rotates the stern of the hull in a starboard direction. 3. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the secondary right trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its yaw axis in a direction which rotates the stern of the hull in a port direction. 4. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the primary left trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its roll axis in the direction which raises the port side of the hull relative to the starboard side of the hull. 5. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the primary right trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its roll axis in the direction which raises the starboard side of the hull relative to the port side of the hull. 6. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the actuator of at least one of the first and second means comprises a electrical, hydraulic, or pneumatic actuator. 7. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the controller further comprises a communication interface compatible with at least one of Controller Area Network, Ethernet, serial, optical, and wireless. 8. A method comprising: providing a hull including a port side, a starboard side, a bow, and a stern, and configured to float in water with a waterline on the outside of the hull, the hull having a yaw axis running substantially vertically through the hull when the hull is floating in water, the hull having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially from the port side to the starboard side, the hull having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially from the bow to the stern, the hull, when moving forward in the water, creating a wake;providing a trim tab configured to be supported by the hull proximate one of the port side and starboard side of the hull, the trim tab having a lift subtab and a yaw subtab; the yaw subtab being pivotably mounted to the lift subtab for rotation around a first tab axis between a first position and a second position, wherein the yaw subtab is configured to induce more yaw in the hull in the second position than in the first position;the lift subtab being configured to be supported by the hull for pivotal rotation about a second tab axis that is substantially parallel with the waterline when the hull is floating in the water, the lift subtab being configured to rotate about the second tab axis, that is non-coincident with the first tab axis, between a first position and a second position, the lift subtab having more interaction with water when in the second position than when in the first position;selectively controlling rotation of the lift subtab about the second axis; andselectively controlling rotation of the yaw subtab about the first axis. 9. A method in accordance with claim 8 and further comprising supporting a propulsion device from the hull, for selectively moving the hull over the water. 10. A method in accordance with claim 8 and further comprising a second trim tab configured to be supported by the hull proximate the other one of the port side and starboard side of the hull, the second trim tab having a lift subtab and a yaw subtab. 11. A method in accordance with claim 8 wherein selectively controlling rotation of the lift subtab about the second axis comprising providing an actuator having a first end supported by the trim tab and a second end configured to be supported by the hull. 12. A method in accordance with claim 8 wherein selectively controlling rotation of the yaw subtab about the first axis comprising providing an actuator having a first end supported by the trim tab and a second end configured to be supported by the hull. 13. A method in accordance with claim 8 wherein rotation of the yaw subtab about the first axis is selectively controlled independently of rotation of the lift subtab about the second axis. 14. A method of manufacturing a system for forming asymmetric surf wakes behind a wakeboat having a hull including a port side, a starboard side, a bow, a stern, a length from the bow to the stern, a width from the port side to the starboard side, and configured to float in water with a waterline on the outside of the wakeboat, the wakeboat having a yaw axis, the yaw axis running substantially vertically through the wakeboat, the wakeboat having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially laterally across the width of the wakeboat, the wakeboat having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially along the length of the wakeboat, the wakeboat, when moving forward in the water, creating a wake and a port disturbance and a starboard disturbance in the wake, the method comprising: providing a trim tab configured to be supported by the hull proximate one of the port side and starboard side of the hull, the trim tab having a lift subtab and a yaw subtab; the yaw subtab being pivotably mounted to the lift subtab for rotation around a first tab axis between a first position and a second position, wherein the yaw subtab is configured to induce more yaw in the wakeboat in the second position than in the first position;the lift subtab being configured to be supported by the hull of the wakeboat for pivotal rotation around a second tab axis that is substantially parallel with the waterline when the wakeboat is at rest in the water, the lift subtab being configured to rotate around the second tab axis, that is non-coincident with the first tab axis, between a first position and a second position, the lift subtab having more interaction with water when in the second position than when in the first position;providing a movement imparting assembly configured to selectively control rotation of the lift subtab about the second axis and rotation of the yaw subtab about the first axis. 15. A method in accordance with claim 14 and further comprising providing a second trim tab configured to be supported by the hull proximate the other one of the port side and starboard side of the hull, the second trim tab having a lift subtab and a yaw subtab. 16. A method in accordance with claim 14 wherein the movement imparting assembly comprises an actuator having a first end supported by the trim tab and a second end supported by the hull. 17. A method in accordance with claim 14 wherein the movement imparting assembly comprises a piston and cylinder assembly having a first end supported by the lift subtab and a second end configured to be supported by the hull. 18. A method in accordance with claim 14 wherein the movement imparting assembly selectively controls rotation of the yaw subtab about the first axis independently of the lift subtab about the second axis. 19. A method in accordance with claim 18 wherein the movement imparting assembly further comprises a controller. 20. A method in accordance with claim 14 and further comprising providing the wakeboat and mounting the lift subtab to the hull of the wakeboat for pivotal rotation around the second tab axis. 21. A method in accordance with claim 14 wherein the movement imparting assembly includes a mechanical linkage, the method further comprising coordinating the motion of the yaw subtab with the lift subtab using a mechanical linkage.