drag hinge

drag hinge
вертикальный шарнир (лопасти несущего винта)

Англо-русский словарь по гражданской авиации. — М.: Скорпион-Россия. . 1996.

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  • drag hinge — The hinges of a helicopter that permit movement as the blade drag varies during rotation. These are located approximately at the root of the helicopter main rotor blade …   Aviation dictionary

  • drag — i. That component of aerodynamic forces acting on the wing or the airfoil section, which is parallel and opposite to the relative airflow. The sources of drag are the pressure distribution patterns over the airfoil, called induced drag; the skin… …   Aviation dictionary

  • drag brace — i. An adjustable brace used to adjust the blade alignment of a semi rigid rotor. The braces resist the movement of the blade about its lead lad hinge and provide a means of sweeping the blade for chordwise balance. It is normally mounted on the… …   Aviation dictionary

  • lag hinge — The hinges of a helicopter that permit movement as the blade drag varies during rotation. These are located approximately at the root of the helicopter main rotor blade. The same as a drag hinge …   Aviation dictionary

  • alpha hinge — The hinge at the root of a helicopter rotor blade with its axis perpendicular to the plane of rotation. It allows the blade tip to move back and forth in its plane of rotation. Movement about the alpha hinge is called drag. Drag dampers oppose… …   Aviation dictionary

  • lead-lag hinge — The hinge at the root of a helicopter rotor blade with its axis perpendicular to the plane of rotation. It allows the blade tip to move back and forth in its plane of rotation. Movement about the lead lag is called drag. Drag dampers oppose this… …   Aviation dictionary

  • Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …   Wikipedia

  • Juan de la Cierva — This name uses Spanish naming customs; the first or paternal family name is De la Cierva and the second or maternal family name is Codorníu. Juan de la Cierva …   Wikipedia

  • Autogyro — An autogyro is a type of rotorcraft invented by Juan de la Cierva in 1919, making its first successful flight on January 9, 1923 at Cuatro Vientos Airfield in Madrid. [http://www.vectorsite.net/avheli 1.html#m4 Vector Flight] ] Similar to… …   Wikipedia

  • lag angle — The angle by which a rotor blade is displaced about its drag hinge. The angle is measured between the blade span axis and a radial line taken across the rotor disc containing the drag hinge and the axis of rotation …   Aviation dictionary

  • Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …   Wikipedia


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