Early 20th Century autogyro. Historical image of an autogyro aircraft in front of the Grand Palais,Paris,France. An autogyro also known as a gyrocopter,gyroplane or rotaplane,is a type of rotorcraft that uses an un-powered rotor in autorotation to develop lift,and an engine-powered propeller,similar to that of a fixed-wing aircraft,to provide thrust. Image from 'Wonders of Peace and War',by Geza Supka,Hungary,1939 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CCI Archives |
Taille de l’image : | 3911 px × 2309 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |