The present invention provides a foldable wing which comprises a wing supporting skeleton, a sliding rail, a skin supporting rib, a skin and a wing movement unit. The wing supporting skeleton comprises a horizontal beam, a longitudinal beam, a wing front edge beam, a wing trailing edge beam, a fixture connector and a sliding block, The wing supporting skeleton is a triangular girder for maintaining planar and sectional shapes of the foldable wing, supporting the skin supporting rib and the skin, and sustaining an aerodynamic load from the skin and a load of a fuselage. After the triangular girder is subjected to a force of the wing movement unit, a shape and an area of the triangular girder are changed so as to achieve folding and unfolding of the foldable wing. A rotocraft and a glider using the foldable wing are also provided.

A flying vehicle comprising a wing ship body having a pair of wing spars secured thereto; and a plurality of hinged wing-rib assemblies disposed along each wing spar that allows the wings to be folded against the body of the flying vehicle. Fabric-coupling members connect wing fabric to the wing-rib assemblies. A method for folding or collapsing the wings of a wing-in-ground-effect wing ship comprising providing a wing-in-ground-effect wing ship having a pair of wings, and folding the wings toward and against the body of the wing-in-ground-effect wing ship. A fabric covered wing folding assembly including a pair of wings with each wing having a wing spar and covered by a fabric. A plurality of hinged wing-rib assemblies is disposed along each wing spar that allows the wings to be folded against the body of the aircraft. A method is provided for folding or collapsing the wings of an aircraft. The method comprises the steps of providing a cable connected assembly and a cable release mechanism coupled to the body of an aircraft; and providing a fabric covering the wings of the aircraft.

A collapsible stabilizer assembly to provide directional stability to a windmill or an aircraft is disclosed. The collapsible stabilizer assembly comprises at least one fin 200 having a leading member 202 and a trailing member 204 respectively coupled with a first tube 104 and a second tube 106 that are pivotally fixed to frame 102 of the aircraft. The leading member 202 includes a first hole 208 for engaging a fastening member 302 when the first hole 208 is in alignment with a second hole 108 that is configured in the first tube 104 so as to couple the leading member 202 and the first tube 104. Coupling of the leading member 202 and the trailing member 204 with the first tube 104 and the second tube 106 respectively allows quick installation as well as removal of the at least one fin 200 from the frame 102.

The disclosure pertains to a battery-powered personal flying apparatus comprising a body structure adapted to support and detachably couple user thereto, and a pair of wings rotationally coupled to opposite sides of the body structure. The wings preferably comprise at least a humerus portion and radius portion. The radius portion is configured to rotate relative to the humerus and, during use, the wings mimic the motion of bird flight. The disclosure further pertains to a method of facilitating human flight using the personal flying apparatus comprising the steps of maintaining the user's torso and legs in an inline and generally horizontal position, moving a pair of wings having a humerus rotatably coupled to a radius simultaneously through a wing flight pattern, and repeating the wing fight pattern to maintain flight of the user.

The disclosure pertains to a battery-powered personal flying apparatus comprising a body structure adapted to support and detachably couple user thereto, and a pair of wings rotationally coupled to opposite sides of the body structure. The wings preferably comprise at least a humerus portion and radius portion. The radius portion is configured to rotate relative to the humerus and, during use, the wings mimic the motion of bird flight. The disclosure further pertains to a method of facilitating human flight using the personal flying apparatus comprising the steps of maintaining the user's torso and legs in an inline and generally horizontal position, moving a pair of wings having a humerus rotatably coupled to a radius simultaneously through a wing flight pattern, and repeating the wing fight pattern to maintain flight of the user.

The present disclosure provides a flying water-ski device which enables a person to float in the air and fly in addition to gliding on the water in waterskiing. The flying water-ski device may be equipped with an airfoil having an outer form of a simplified triangle whose top faces toward the front. A flap section which has right and left flap axes may be placed at the back-end of said airfoil and right and left flaps, each of which can rotate around said right and left flap axes. A suspension support section may be suspended from said airfoil, and a harness section fixed to the suspension support section. A first tow rope may be coupled to the airfoil, and a second tow rope coupled to the harness section.

The present invention provides a foldable wing which comprises a wing supporting skeleton, a sliding rail, a skin supporting rib, a skin and a wing movement unit. The wing supporting skeleton comprises a horizontal beam, a longitudinal beam, a wing front edge beam, a wing trailing edge beam, a fixture connector and a sliding block, The wing supporting skeleton is a triangular girder for maintaining planar and sectional shapes of the foldable wing, supporting the skin supporting rib and the skin, and sustaining an aerodynamic load from the skin and a load of a fuselage. After the triangular girder is subjected to a force of the wing movement unit, a shape and an area of the triangular girder are changed so as to achieve folding and unfolding of the foldable wing. A rotocraft and a glider using the foldable wing are also provided.

The present invention provides a foldable wing which comprises a wing supporting skeleton, a sliding rail, a skin supporting rib, a skin and a wing movement unit. The wing supporting skeleton comprises a horizontal beam, a longitudinal beam, a wing front edge beam, a wing trailing edge beam, a fixture connector and a sliding block, The wing supporting skeleton is a triangular girder for maintaining planar and sectional shapes of the foldable wing, supporting the skin supporting rib and the skin, and sustaining an aerodynamic load from the skin and a load of a fuselage. After the triangular girder is subjected to a force of the wing movement unit, a shape and an area of the triangular girder are changed so as to achieve folding and unfolding of the foldable wing. A rotocraft and a glider using the foldable wing are also provided.

A hang glider control device may include a cross bar having a first end, a second end, a central region, a first central arm, and a second central arm. The first central arm and the second central arm may be coupled opposingly to the central region. The first end may be formed by a portion of the first central arm distal to the central region, and the second end may be formed by a portion of the second central arm distal to the central region. The first end of the cross bar may be configured to couple the cross bar to the first upright above the base tube, and the second end of the cross bar may be configured to couple the cross bar to the second upright above the base tube so that the crossbar may be generally parallel to the base tube.

The present invention relates to a hang glider coupled to electric fan motor for providing thrust while flying and thus providing extra safety to the hang glider. Herein, the electric fan motor of hang glider consists of rechargeable batteries which get charged either through solar panels or get charged kinetically. The electric fan motors coupled at various positions of hang glider and controlled by the throttles, provides proper thrust to the hang glide to move and the rechargeable batteries of the electric fan motor enables the glider to soar continuously for many hours.