Abstract: Autogyro rotor comprises blades radiating outwardly from central disc structure. Disc structure extends over substantial part of the area of the rotor to increase lifting forces provided by rotor and may be shaped to produce aerodynamic lift on forward movement of rotor. Specifically, disc structure may include annular section of aerofoil cross-section surrounded by smaller annular section to produce similar effect to conventional aircraft wing flaps and slots. Blades are carried on shafts journalled in tubes extending out through disc structure and there is also disclosed a pitch control mechanism for rotating the shafts in the tubes to vary pitch of the blades.

Abstract: An aircraft useful as a toy or as a personal craft which includes a plurality of blades freely rotatably mounted on a spherical body supported by landing means. The blades are hinged onto arms to swing up and down for upward flight or downward landing. Funnel members are mounted at the end of the arms to act as counterweights and drag propellers. A rocket is mounted under the body for vertical take-off and will rotate the blades. When the rocket shuts off, the blades will swing up and down to feather the aircraft. A pair of rockets are mounted also on the body under the blades for horizontal thrust. The aircraft can take-off vertically or horizontally and lands without power like a parachute.

Abstract: A basic lightweight helicopter frame is strapped to the body of a pilot and includes vertical side bars interconnected above the pilot's head to rotatably support a bladed rotor assembly and carry a rearwardly extending tail rotor assembly. The lower ends of the side bars carry fuel tanks from which rocket engines at the tips of the rotor blades draw fuel. A control assembly is supported at the upper end of the frame and extends forwardly therefrom for easy access by the pilot. The aircraft includes an attachable landing gear and an attachable pusher blade and engine assembly which can be used when desired.

Abstract: An aircraft which operates between the surface and the air as a rotating wing aircraft (helicopter-autogiro). When airborne a rotor pylon latch is released and the pilot flies the rotor system aft about its pivot to the fuselage to form the tail of a high speed jet propelled airplane. Altering the pitch angle of the blades controls the aircraft, called a convertiblade, for helicopter-autogiro and airplane configurations and for moving the rotor between its configurations. The rotor is revved up with rocket fuel piped to burner jet nozzles located at the blade tips. A jump-take-off may be used to efficiently get the convertiblade airborne at a good climbing speed. Prior to landing, the rotor blades are released from their operation as roll control surfaces for the airplane configuration; then, they are permitted to rev-up and act as a brake to reduce the speed of the airplane.