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quarter-chord point

См. также в других словарях:

  • quarter-chord point — The point on the chord line at one quarter of the chord length behind the leading edge. Sweepback is usually quoted by the angle between the line of the quarter chord points and the normal to the aircraft fore and aft center line …   Dictionary of automotive terms

  • chord position — The position defined by the location of a quarter chord and the inclination to the aircraft x y plane; a point being defined on primary centerline coordinates. Chord position is described in relation to X and Y axes …   Aviation dictionary

  • Chord (music) — Instruments and voices playing and singing different notes create chords. This article describes pitch simultaneity and harmony in music. For other meanings of the word, see Chord. A chord in music is any harmonic set of two–three or more notes… …   Wikipedia

  • Jewellery Quarter — infobox UK place country = England latitude= 52.489 longitude= 1.910 official name= Jewellery Quarter map type= West Midlands population = 3,000 approx. population density= area total km2= 1.07 metropolitan borough= City of Birmingham… …   Wikipedia

  • Tristan chord — Component intervals from root augmented second augmented sixth augmented fourth (tritone) root …   Wikipedia

  • Center of pressure — The center of pressure is the point on a body where the sum total of the aerodynamic pressure field acts, causing a force and no moment about that point. Mathematically it can be said that the net pressure force on the body acts through this… …   Wikipedia

  • Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… …   Wikipedia

  • Pitching moment — In aerodynamics, the pitching moment on an airfoil is the moment produced by the aerodynamic force on the airfoil if that aerodynamic force is considered to be applied, not at the center of pressure, but at the aerodynamic center of the airfoil.… …   Wikipedia

  • Aerodynamic center — The aerodynamic center of an airfoil moving through a fluid is the point at which the pitching moment coefficient for the airfoil does not vary with lift coefficient i.e. angle of attackcite web last = Benson first = Tom coauthors = year = 2006… …   Wikipedia

  • Center of mass — In physics, the center of mass of a system of particles is a specific point at which, for many purposes, the system s mass behaves as if it were concentrated. The center of mass is a function only of the positions and masses of the particles that …   Wikipedia

  • center of lift — The location along the chord of an airfoil at which all lift forces produced by the airfoil are considered concentrated. This is generally near the quarter chord point …   Aviation dictionary

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