angle rotor

См. также в других словарях:

• Rotor principal — Moyeu de rotor principal de l EC155 d Eurocopter où l on distingue les biellettes de pas entre le plateau cyclique et les pieds de pales encastrés dans le moyeu …   Wikipédia en Français

• rotor system types — There are three types of rotors: rigid, semirigid, and fully articulated. In a rigid rotor, the blades are free to change pitch but otherwise are made as rigid as possible. The blades of rigid rotor have no hinges that allow them to flap or drag …   Aviation dictionary

• rotor-disc attitude — The angle between the rotor disc and the horizontal. During forward flight, the rotor disc is tilted, and the airflow is slightly directed backward …   Aviation dictionary

• rotor-disc incidence — The angle between the relative airflow and the rotor disc …   Aviation dictionary

• Rigid rotor — The rigid rotor is a mechanical model that is used to explain rotating systems. An arbitrary rigid rotor is a 3 dimensional rigid object, such as a top. To orient such an object in space three angles are required. A special rigid rotor is the… …   Wikipedia

• 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

• coning angle — The angle between a rotor blade and a plane passing through the rotor hub or at right angles to the lift vector. Also, an angle formed by the rotor blades with the tip path of the plane. It is indicated by the symbol β …   Aviation dictionary

• blade angle — noun : the angle between the chord of a propeller or rotor blade and a plane normal to the axis of rotation, its value varying along the span and decreasing from root to tip because of blade twist * * * blade angle, the acute angle between the… …   Useful english dictionary

• dissymmetry of rotor thrust — A condition in which one side of a rotor disc produces more thrust than the other. The speed of relative airflow over the advancing blade is higher than that of the retreating blade. The rotor thrust of the advancing blade also is higher than… …   Aviation dictionary

• 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

• critical angle — i. The minimum angle of incidence at which a radio wave of a particular frequency can strike the ionosphere and still be reflected back to the earth. Critical angle is a function of frequency; the higher the frequency, the larger the critical… …   Aviation dictionary