Flying object with tandem rotors

A helicopter comprising a body;

• a main rotor with propeller blades driven by a rotor shaft on which the blades are mounted;
• a tandem rotor driven by a second rotor shaft directed substantially parallel to the rotor shaft of the main rotor with propeller blades driven by the second rotor shaft on which the blades are mounted, an auxiliary rotor driven by the rotor shaft of the main rotor and provided with vanes from the rotor shaft for rotation in the sense of rotation of the main rotor, the auxiliary rotor being mounted such that the longitudinal axis of one of the propeller blades of the main rotor is located relative to the longitudinal axis of one of the vanes of the auxiliary rotor, and the main rotor and the auxiliary rotor being connected to each other by a mechanical link, such that a swinging motion of the auxiliary rotor controls the angle of incidence of at least one of the propeller blades of the main rotor, and an auxiliary rotor driven by the rotor shaft of the tandem main rotor and provided with vanes from the rotor shaft of the tandem rotor for rotation in the sense of rotation of the main rotor of the tandem, the auxiliary rotor of the tandem router being mounted such that the longitudinal axis of one of the propeller blades of the main rotor is located relative to the longitudinal axis of one of the vanes of the auxiliary rotor, and the main rotor and the auxiliary rotor being connected to each other by a mechanical link, such that a swinging motion of the auxiliary rotor controls the angle of incidence of at least one of the propeller blades of the main rotor.

A helicopter comprising a body;

• a main rotor with propeller blades driven by a rotor shaft on which the blades are mounted;
• a tandem rotor driven by a second rotor shaft directed substantially parallel to the rotor shaft of the main rotor, an auxiliary rotor driven by the rotor shaft of the main rotor and provided with vanes from the rotor shaft for rotation in the general sense of rotation of the main rotor, the auxiliary rotor being mounted such that the longitudinal axis of one of the propeller blades of the main rotor is located relative to the longitudinal axis of one of the vanes of the auxiliary rotor;
• a rotor with propeller blades which is driven by a rotor shaft and which is mounted on this rotor shaft, such that the angle of incidence of the rotor in the plane of rotation of the rotor and the rotor shaft is variable;
• and an auxiliary rotor rotatable with the rotor shaft and being for relative oscillating movement about the rotor shaft and being such that different relative position so that the auxiliary rotor causes the angle of incidence the main rotor to be different.

A helicopter comprising a body;

• a main rotor with propeller blades driven by a rotor shaft on which the blades are mounted;
• a tandem rotor driven by a second rotor shaft directed substantially parallel to the rotor shaft of the main rotor, for the main rotor there being an auxiliary rotor driven by the rotor shaft of the main rotor and provided with vanes from the rotor shaft for rotation in the general sense of rotation of the main rotor, the auxiliary rotor being mounted such that the longitudinal axis of one of the propeller blades of the main rotor is located relative to the longitudinal axis of one of the vanes of the auxiliary rotor;
• such that the angle between the plane of rotation of the main rotor and the rotor shaft is variable;
• for the tandem rotor there being an auxiliary rotor driven by the rotor shaft of the rotor of the tandem rotor, and the auxiliary rotor having two vanes extending essentially in a longitudinal axis essentially generally about parallel to the longitudinal axis of at least one of the propeller blades of the main rotor or at a relatively small acute angle relative to the longitudinal axis of the propeller of the tandem rotor, each of the auxiliary rotors being mounted respectively in a swinging relationship on an oscillatory shaft which is provided essentially transversally to its rotor shaft of the respective main rotor and tandem rotors and the swinging motion of the auxiliary rotor controlling the angle of incidence of at least one of the propeller blades of the respective main rotor.