downwash angle at the tail

  • 1longitudinal stability — The stability of an airplane about the lateral (pitching) axis. An airplane is stable if, when its angle of attack is temporarily increased, forces act in such a way as to push the nose down and thus decrease the angle of attack. The main factors …

    Aviation dictionary

  • 2Longitudinal static stability — is important in determining whether an aircraft will be able to fly as intended. Static stability As any vehicle moves it will be subjected to minor changes in the forces that act on it, and in its speed. * If such a change causes further changes …

    Wikipedia

  • 3Flight dynamics — is the science of air and space vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle s center of mass, known as pitch , roll and yaw… …

    Wikipedia

  • 4Helicopter 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

  • 5Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …

    Wikipedia

  • 6Fictional military aircraft — are imagined aircraft which are used in fiction, in its various media, but do not exist in the real world. These aircraft may be conjectured variants of real world aircraft or they may be completely fabricated by the author. Contents 1 Fictional… …

    Wikipedia

  • 7Death of Osama bin Laden — Death of Osama bin Laden …

    Wikipedia

  • 8LTV XC-142 — XC 142 Role Experimental VTOL transport Manufacturer Ling Temco Vought (LTV) Fir …

    Wikipedia

  • 9Brownout (aviation) — In aviation, a brownout (or brown out ) is an in flight visibility restriction due to dust or sand in the air.cite book publisher = National Transportation Safety Board title = Special Investigation Report on Emergency Medical Services Operations …

    Wikipedia

  • 10Vortex — A vortex (pl. vortices ) is a spinning, often turbulent, flow of fluid. Any spiral motion with closed streamlines is vortex flow. The motion of the fluid swirling rapidly around a center is called a vortex. The speed and rate of rotation of the… …

    Wikipedia