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advancing side (of the rotor disc)

См. также в других словарях:

  • 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

  • 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

  • flapback — The changes in the helicopter disc attitude that occur without any control movement by the pilot. In forward flight, the rotor disc has a natural tendency to tilt back (longitudinally) because of the dissymmetry of lift that would be produced if… …   Aviation dictionary

  • Dissymmetry of lift — in rotorcraft aerodynamics refers to an uneven amount of lift on opposite sides of the rotor disc. It is a phenomenon that affects single rotor helicopters in lateral flight, whether the direction of flight be forwards, sideways or in reverse.… …   Wikipedia

  • helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… …   Universalium

  • Retreating blade stall — is a hazardous flight condition in helicopters and other rotary wing aircraft, where the rotor blade rotating away from the direction of flight stalls. The stall is due to low relative airspeed and/or excessive angle of attack (or AOA).… …   Wikipedia

  • Ground effect in aircraft — Aircraft may be affected by a number of ground effects, aerodynamic effects due to a flying body s proximity to the ground.One of the most important of these effects is the Wing In Ground effect, which refers to the reduction in drag experienced… …   Wikipedia

  • Kamov Ka-50 — Black Shark redirects here. For the species of fish, see Kitefin shark. Infobox Aircraft name= Ka 50 Black Shark Ka 52 Alligator caption= Kamov Ka 50 Black Shark on display type= Attack helicopter manufacturer= Kamov company designer= first… …   Wikipedia

  • History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …   Wikipedia

  • Enigma machine — Military Enigma machine …   Wikipedia

  • DVD — This article is about the storage media format. For the binocular vision condition, see Dissociated vertical deviation. DVD DVD R read/write side Media type Optical disc …   Wikipedia

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