T

TACHOMETER. (Fr. Compte Tours.)

An instrument for directly indicating the revolutions per minute.

The rear part of an aircraft to which usually are attached the rudder, stabilizer, and elevator.

A flexibly attached rod which holds the tail surfaces off the ground, and breaks the landing shocks on the tail structure.

See BOOM.

A very dangerous backward dive.

A condition in which the tail revolves about a vertical line passing through the center of gravity.

A form of aeroplane in which the wings are placed one after another.

An old type of German or Austrian aeroplane with back swept wing tips.