VERTICAL TAKE-OFF LANDING AIRCRAFT HAVING A PAIR OF COAXIAL COUNTER-ROTATING ROTORS, EACH FORMED BY A SET OF REVOLVABLE BLADES RADIALLY JUTTING FROM THE BODY OF THE CRAFT

摘要

A vertical take-off landing aircraft, wherein at the periphery of a saucer-shaped body counter-rotate two similar and coaxial rotors. A rotor is composed of an annular caisson moved by gas-turbines and of a set of aerofoil-shaped blades jutting out of the caisson and revolvable around their own axis.