WING-IN-GROUND-EFFECT CRAFT Russian patent published in 2000 - IPC

FIELD: flying vehicles. SUBSTANCE: proposed wing-in-ground effect craft has fuselage with replaceable support elements of undercarriage, sectional low lifting wing consisting of fuselage-mounted main sections with side stabilization floats on outer longitudinal end faces connected with auxiliary sections furnished with ailerons arranged symmetrically relative to longitudinal axis of fuselage at angle α equal to 15-20 degrees in vertical plane. Upper lifting wing in made in form of drag struts connecting side stabilizing floats with fuselage. Low aspect ratio convex main wing with leading trapezoidal and trailing semielliptical in plan edges is arranged over low lifting wing. Low surface of convex main wing forms air cushion chamber. Engine with tractor propeller is installed in fuselage nose, and horizontal tail with elevator and vertical tail with rudder are mounted in rear fuselage. EFFECT: improved efficiency in operation, simplified design, facilitated flying at altitudes exceeding height of air cushion. 4 cl, 3 dwg