Abstract: A rigid foil sail having a full length vertical leading edge whose trim angle/angle of attack is controlled by the main sheet and trailing edge flaps attached rearwardly of the leading edge, each of which can be independently trimmed from a convenient deck level control tray to achieve easily adjustable camber. The design of the rigid foil sail allows depowering of the sail without altering mainsheet trim by decreasing the camber of the upper trailing flap thus also decreasing the heeling force created by the power of the upper trailing flap. Further, a void within the foil is filled with a lighter than air gas to assist in countering heeling moment to allow the boat to be driven without the loss of upwind pointing performance and without the loss of power and also allowing the boat to be driven to windward more efficiently with a minimum heel angle.

Abstract: A rigid foil sail having a full length vertical leading edge whose trim angle/angle of attack is controlled by the main sheet and at least two trailing edge flaps attached rearwardly of the leading edge, each of which can be independently trimmed from a convenient deck level control tray to achieve easily adjustable camber. The design of the rigid foil sail allows depowering of the sail without altering mainsheet trim by decreasing the camber of the upper trailing flap thus also decreasing the heeling force created by the power of the upper trailing flap. Such an arrangement allows the boat to be driven without the loss of upwind pointing performance and without the loss of power caused by luffing of the sail. Similarly, the boat can be better balanced by allowing the boat to be driven to windward more efficiently with a minimum heel angle.

Abstract: A sailboat having a hull with a mast is provided that includes a boom and gaff that are both supported away from the mast. Both ends of the boom and gaff are connected by stays so that a vertical plane is created. The sail is raised and lowered by a pair of forward and aft halyards and the boom has a usual trimming sheet.

Abstract: A sailboat having a free standing jib boom mounted on a stub shaft, which rotates about an axis coextensive with the jib stay. The boom may extend not only aft of the stub shaft but also forward allowing unique rig configurations.

Abstract: A sailboat having a free standing jib boom mounted on a stub shaft, which rotates about an axis coextensive with the jib stay.

Abstract: A sailboat comprising a hull with a mast has a rotatable strut that supports a continuous boom and holds the boom far enough away from the mast to allow clear air flow over the sail on either tack. The support for the boom at the end of the strut is tubular to allow the boom to move. When the after portion is eased out for off wind sailing, the forward portion automatically is projected to windward bringing the center of effort closer to the mast.

Abstract: A gate like device is hinged to a bow pulpit of a sailboat and acts as a swinging bowsprit to which a spinnaker may be removably affixed.

Abstract: A gate like device is hinged to a bow pulpit of a sailboat and acts as a swinging bowsprit to which a spinnaker may be removably affixed.

Abstract: A teardrop shaped boom has an open interior and is rotatable about a fixed, freestanding cylindrical mast. The stays and spreaders rotate and are based on the boom. The stays provide side and back support balancing the forestay. A sail track assembly is also rotatable about the mast in conjunction with the boom to improve the airflow to the leeward face of the sail.

Abstract: A sail track and sleeve assembly is provided to rotate about a round mast so as to provide an improved airflow to the leeward face of the sail. A teardrop shaped boom having an open interior is rotatable about the mast and freely rotates with the rotating sail track.

Abstract: A sailing rig for a board type craft is supported in position on the craft by a universal joint and stays that are attached to the mast and are adjustably fastened to the craft to allow the mast to be positioned for optimum sailing efficiency. The craft is generally an elongated board having a large radius cross-section bottom and a shallow recess or cockpit. The craft may be fitted with a rudder and a dagger board.

Abstract: A spar for controlling downwind headsails is pivoted to headsail instrumentalities for stowage in an aerodynamic sleeve with the headsail. The spar and the headsail has preconnected lines for controlling the spar and headsail all stored within the sleeve.

Abstract: A rig on a sailboat adapted to be mounted on a deck or cabin top of the boat, the rig having a mast, mast step, vertical stabilizing structure for the mast. The rig is mounted for rotation about a center and may be provided with more than one mast.