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7431243 |
Guidance and control for an autonomous soaring UAV
The present invention provides a practical method for UAVs to take advantage of thermals in a manner similar to piloted aircrafts and soaring birds. In general, the invention is a method for a UAV...
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7018266 |
Land sail vehicle
A tricycle-type wind-propelled toy land vehicle includes a sail with reliable tangle-free boom control. Both the disposition of the boom and the front wheel steering is actuated by a radio...
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7007889 |
Flexible airfoils and method
An airfoil for use in kites, movable wing aircraft and fixed wing aircraft has a straight spar inserted into a sleeve in the arcuate leading edge of a flexible wing panel. The resultant forces on...
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6884143 |
Robotic sailing device
A wind propelled vehicle. The wind propelled vehicle has a frame. A plurality of wheels is connected to the frame. A mast is connected to the frame and a boom is connected to the mast. A sail is...
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6685135 |
Lift system intended for free-falling persons
A lift system is described for free-falling persons including a lift body with a belt system which can be detachably attached to a person. The lift body is designed so that it defines a direction...
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6579146 |
Robotic sailing device and design
A wind propelled vehicle defining a center of gravity. The wind propelled vehicle has a frame. A rear axle is connected to the frame at its rear portion and two rear wheels are rotatably connected...
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6550719 |
Aircraft and drive device for aircraft
In order to provide a compact, high-performance drive device for aircraft, in particular for power gliders, which comprise a propeller which is driven by a motor, preferably by an electric motor,...
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6478251 |
Flier structure
A flier structure including a fuselage extending from front side to rear side and a weight body connected with front end of the fuselage. A port wing and a starboard wing respectively leftward and...
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6364251 |
Airwing structure
The airwing structure according to the present invention comprises of an airfoil structure, a main frame, and a means for providing a downward and a forward tension on the airfoil structure. The...
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6322021 |
Deployable wing with propulsion for range extension
A deployable wing that is folded so as to fit into a carrier such as an airplane that is released and automatically with the aid of parachutes to deploy and fly a given distance without assistance...
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6293490 |
Aircraft
Aircraft, in particular a hang-glider, with a flexible wing and a pilot's position preferably arranged beneath it, from which space the aircraft can be controlled, wherein the trailing edge of the...
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6280280 |
Jumping toy vehicle
A remotely controllable toy surface vehicle has the capability of deploying wings on command and to attain flight in the absence of any air interactive propulsion mechanism. In an alternate...
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6260795 |
Oya computerized glider
The Oya glider is a modified hang-glider that incorporates many advanced aerospace technologies, such as, glues, for binding Shape Memory Alloy materials to Piezoelectric Ceramic Strips, and...
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6220543 |
Safe and secure commercial air transportation
The safe and secure mass commercial air transportation to eliminate or, at least, mitigate dramatically the impact of a baggage-born explosion or fire in a cargo hold of a passenger airplane,...
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6181989 |
Aircraft attitude sensor and feedback control system
This invention is an aircraft orientation system that locates the earth's horizon, in order to determine the aircraft's attitude in the pitch and roll axes. The invention uses infrared sensors on...
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6012675 |
Aircraft system monitoring air humidity to locate updrafts
An aircraft system intended for gliders and low power-to-weight aircraft, to aid the pilot in locating updrafts associated with the buoyancy of humid air in the convective layer of the atmosphere,...
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5884863 |
Method and apparatus for deploying a wing
The deployable wing of the present invention comprises an internal structure having diverging leading edge spars attached to a keel spar and cross spars to form a delta wing configuration. This...
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5853312 |
Model airplane for scientific education and competition
The present invention relates to an improved model airplane for purposes of scientific education and competition. Model airplanes in the prior art are either bad at flying, or do not look like real...
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5566908 |
Air-launchable gliding sonobuoy
An air-launchable gliding sonobuoy store includes a canister enclosing an flatable membranous wing folded in a collapsed state with an electroacoustic system. After launching, the wing inflates and...
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5402969 |
Aircraft structure
An aircraft structure, such as a glider including a wing having a substantially flat, upper, first surface and a convex, lower, second surface. The wing first and second surfaces converge to a...
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5252068 |
Weight-shift flight control transducer and computer controlled flight simulator, hang gliders and ultralight aircraft utilizing the same
The weight-shift movements of a suspended pilot are transformed into electrical signals representative of the movements. The signals may be used as the pitch and roll input information in an...
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5181674 |
Wind driven craft
A wind driven craft comprising a body and a pair of wings extending therefrom. The wings are pivotally connected to the body of the craft. The wings provide lift and thrust to the craft such that...
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5154370 |
High lift/low drag wing and missile airframe
An air launched, air-to-surface missile which has extended range and reduced radar cross section for low observability is disclosed. The design uses a triangular cross section fuselage, for low...
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5090636 |
Aircraft
An aircraft comprises a body portion and a pair of wings extending from either side of the body portion. An upward step is formed in the underside of the body portion in the center of the aircraft,...
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5071089 |
Off weight lift wing for skiers and the like
An off weight lift wing for a skier and the like is provided and consists of a pair of airfoils each supported on an opposite end of a crossbar which extends across the top of a frame with a...
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5029774 |
Glider
A glider, comprising a tubular body open at each end and having a leading edge and a trailing edge, has a two-ring frame assembly disposed about the perimeter of the leading edge to provide body...
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4898345 |
Skyboard
A skyboard which is an apparatus using the combination of a specially designed surfboard and a parachute to enable the rider to ride the skyboard in a manner similar to the rider's positioning on a...
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4886478 |
Wind propelled sail toy vehicle
The sail toy land vehicle includes a generally rod-like elongated frame or central body, having a raised forward portion, an elongated rigid rear wheel axle structure includes a pair of rear...
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4860970 |
Nonrigid wing aircraft
An aircraft includes a nonrigid dynamically inflated airfoil wing which carries an operator. The operator is suspended by a plurality of shrouds which interconnect the wing to a control stick. The...
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4824047 |
Hang glider launch vehicle
A lightweight, low cost, powered launch vehicle for carrying a hang glider aloft and releasing the glider for free flight provides an integral glider support frame for positioning the glider in...
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4776530 |
Safety apparatus for hang glider
A safety apparatus for a hang glider that indicates any failure of a pilot to properly hook in a flight harness. The apparatus includes a circuit having a power source, such as a dry cell battery,...
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4742977 |
Wing structure with self-induced camber
An improved wing structure is provided having a self-induced camber. The wing comprises an aerodynamic dihedral sail structure having a fabric sail tensioned on a supporting frame comprised of...
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4596368 |
Ultralight aircraft with freely rotating wing
An ultralight aircraft of lightweight minimal construction includes a collapsible Rogallo type wing from which a hang cage is suspended by a main hinge assembly. The wing includes a longitudinal...
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4591111 |
Thermal navigator
An apparatus for use in an ultralight aircraft, glider, or sailplane to detect and navigate within thermal updrafts is disclosed. The apparatus includes a right temperature sensor and a left...
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4568043 |
Ultra-light aircraft with freely rotating rigid wing
An ultra-light aircraft of light-weight minimal construction includes a rigid wing from which a hang cage is suspended by a main hinge assembly. Rotation of the wing without pilot intervention...
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4506847 |
Thermalling sailplane turn indicator
A thermal indicator with a sensor (28) mounted over the wing stubs (12, 13) of a sailplane to detect relative movement therebetween due to bending moments applied to the wings on meeting a thermal...
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4458859 |
Combined boardsailer and hang glider
A boardsailing device includes a sport converter which permits the boardsailing device to be converted into a hang glider. Essentially all of the power required for hang gliding is supplied by...
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4424945 |
Parafoil
A parafoil for supporting a flying machine, which parafoil has a forwardly extending central section open at the front to scoop in air during flight, and wings attached to the rear of the central...
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4355982 |
Hang glider flight simulator
A hang glider flight simulator wherein a pilot is is suspended from a harness. A control apparatus for maneuvering the suspended pilot simulates movements occurring during hang gliding. A visual...
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4336913 |
Compound wing aircraft
An aircraft, either rigid-wing or a collapsible hang-glider, is provided which is a bi-plane of apparent annular-wing construction in plan view, but the wing tips of an anhedral foreplane are...
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4248394 |
Remote control hang glider towing aircraft
A remotely controlled powered aircraft equipped with engine, propeller and landing gear, radio-controlled from the ground and capable of towing a manned hang glider to an appropriate altitude. On...
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4248007 |
Flying toy
A toss-type flying toy has at least one tubular aerodynamic member positioned adjacent the plane of a mid fuselage planar generally circular horizontal wing. The flying toy also includes a...
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4247060 |
Attitude recovery device for hang glider
A hang glider attitude recovery device that may be rapidly deployed with a minimum of pilot action comprises a drag element having an effective point of attachment rigidly spaced above the point...
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4215832 |
Inverted cone aircraft
An aircraft is disclosed which includes a body having the shape of an inverted cone with a downwardly extending rim formed about the edge thereof and a triangularly shaped tail section. The...
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4209148 |
Flying wing
The flying wing comprises a rigid frame and a fabric canopy secured to the frame. The canopy has propelling, braking and steering hyperlift nozzles arranged on the surface of the canopy for...
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4195801 |
Partial piloting, lift propelling and propelling system
A lift and propulsion system for partial piloting of a pendular effect piloted aircraft having a gliding structure. The system comprises a frame having a frame axis which is parallel to the pitch...
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4158448 |
Airplane with pivotable wing
An airplane includes a wing having the configuration of an equilateral triangle and covered with a flexible membrane which is provided with free trailing edges. The wing is secured by pivot...
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4133500 |
Toy kites
A toy kite has the general form of a hang glider and has a tow line which is releasable from the kite when in flight by slackening the tension in the tow line. Spars of the kite frame are hinged...
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4116407 |
Hang glider with collapsible airfoil
A device capable of flight comprising a wing which includes a leading edge member. The leading edge member has an aerodynamically shaped exterior surface and upper and lower aft sections. The wing...
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4116406 |
Hang glider having inflatable airfoil
A high performance hang glider includes a frame to which is attached flexible sail fabric to create a delta-shaped Rogallo wing. The sail is of double thickness throughout a substantial portion of...
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