Aileron
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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
History of aviation
Videos
The history of aviation spans over two millennia, from the earliest innovations like kites and attempts at tower jumping to supersonic and hypersonic flight in powered, heavier-than-air jet aircraft.
French reconnaissance balloon L'Intrépide of 1796, the oldest existing flying device, in the Heeresgeschichtliches Museum, Vienna
The Wright Military Flyer aboard a wagon in 1908
Leonardo da Vinci's ornithopter design
Daedalus working on Icarus' wings