ULTRALIGHT AIRCRAFT Russian patent published in 2003 - IPC

FIELD: sport aviation; training, tourist and utility aircraft. SUBSTANCE: aircraft includes crew cabin 1 located between load-bearing members 3 and 4 of wing 2 Cabin has housing in form of fairing 14. Engine with air propeller is mounted at the top of wing. Plane of rotation of propeller intersects plane of wing. Surface of wing before propeller forms circular passage and behind propeller it forms air intake admitting air from propeller under wing. Trailing and side edges 25 and 26 of aircraft wing are made from flexible material. Their outer contour has form of ellipse. EFFECT: reduced mass; improved aerodynamic properties. 7 dwg