- negative dihedral
- отрицательное поперечное V
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Dihedral (aircraft) — For other uses, see Dihedral. The upward tilt of the wings and tailplane of an aircraft, as seen on this Boeing 737, is called dihedral angle Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed wing aircraft.… … Wikipedia
Aircraft dynamic modes — Source: Flight dynamicsThe dynamic stability of a vehicle denotes the complete study of the motion occurring after the vehicle has been disturbed. If the aircraft returns to equilibrium without overshoot, the motion is a simple subsidence. If the … Wikipedia
anhedral — The negative angle between the lateral axis of an airplane and a line passing through the center of a wing or horizontal stabilizer. Also referred to as negative dihedral … Aviation dictionary
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Piaggio P.180 Avanti — P180 Avanti Role Executive transport Manufacturer Piaggio Aero First flight … Wikipedia
cathedral — A negative dihedral, or in other terms, anhedral. A cathedral decreases stability but enhances maneuverability … Aviation dictionary
Flight 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
Pin group — In mathematics, the pin group is a certain subgroup of the Clifford algebra associated to a quadratic space. It maps 2 to 1 to the orthogonal group, just as the spin group maps 2 to 1 to the special orthogonal group.In general the map from the… … Wikipedia
trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… … Universalium
Polyproline helix — In proteins, a left handed polyproline II helix (PPII, poly Pro II) is formed when sequential residues all adopt (φ,ψ) backbone dihedral angles of roughly ( 75°, 150°) and have trans isomers of their peptide bonds. Similarly, a more compact right … Wikipedia