blade drag

См. также в других словарях:

• 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

• Drag king — All The Kings Men a drag king performance troupe from Boston, MA …   Wikipedia

• Drag equation — In fluid dynamics, the drag equation is a practical formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The equation is attributed to Lord Rayleigh, who originally used L2 in place …   Wikipedia

• blade damper A device — installed on the vertical (lead lag or drag) hinge to diminish or dampen blade oscillation or hunting around this hinge …   Aviation dictionary

• blade sweeping — An adjustment of the dynamic chordwise balance in which a tip of one of the blades of a helicopter rotor is moved backward or forward in its plane of rotation by changing the length of its drag brace …   Aviation dictionary

• drag damper — Devices meant to dampen the dragging action of helicopters’ rotor blades. They are fitted between the rotor blades and part of the hub on all rotor systems in which dragging takes place. For damping, a hydraulic or friction system is usually… …   Aviation dictionary

• Wave drag — is an aerodynamics term that refers to a sudden and very powerful form of drag that appears on aircraft and blade tips moving at high subsonic and supersonic speeds. Overview Wave drag is caused by the formation of shock waves around the aircraft …   Wikipedia

• Zorro, The Gay Blade — Infobox Film name = Zorro, The Gay Blade caption = Movie poster director = Peter Medak producer = C.O. Erickson George Hamilton eproducer = aproducer = writer = Johnston McCulley Hal Dresner Greg Alt Don Moriarty starring = George Hamilton Lauren …   Wikipedia

• Wide chord — A wide chord fan engine is a term to describe a modern turbofan jet engine having a ducted fan with a specific blade geometry In layman s terms, they would be described as having wider blades than other jet engines.OverviewThe main fan on a jet… …   Wikipedia