A horizontal tail surface (fixed) used for damping out oscillations and for promoting longitudinal stability.
The condition of an aeroplane that has lost the speed necessary for steerage way or control.
See CRITICAL ANGLE.
(Fr. Volant.)
An instrument for detecting a small rate of ascent or descent. Used principally with balloons.
A wire or cable used as a tie to hold members together, or to give stiffness to a structure.
A break in the form of a float or flying boat bottom.
A form of body that sets up no turbulence or eddies in passing through air or liquid.
A compression member used in separating the upper and lower wings of a biplane, or the longerons of the fuselage.
See RETREAT.