Aileron
Videos
An aileron is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll, which normall
An aileron and roll trim tab of a light aircraft
Boulton's 1864 paper, "On Aërial Locomotion" describing several designs including ailerons
A 1912 Farman HF.20 biplane with single acting ailerons hinged from the rear spar. The ailerons hang down when at rest and are pushed up into position when flying by the force of the air, being pulled down by cable to provide control.
A Yak-52 using ailerons to roll counter-clockwise during an aerobatic maneuver
Flaperon
Videos
A flaperon on an aircraft wing is a type of control surface that combines the functions of both flaps and ailerons. Some kitplanes have flaperons for simplicity of manufacture, while large commercial
Aileron
…aircraft and roll control during the flight was achieved solely by use of the top rudder. A control surface that combines an aileron and flap is called a flaperon. A single surface on each wing serves both purposes: Used as an aileron, the flaperons left and right are actuated differentially; when used as a flap…
Boeing 777 flaperon
Flaperons on a Denney Kitfox Model 3, built in 1991
Flaperons (Junkers style) on an ICP Savannah Model S, built in 2010
Operation of the flaperon of a Boeing 777 during left and right banking