DYNAMIC AIR CUSHION VEHICLE Russian patent published in 2002 - IPC

FIELD: transport engineering; hover vehicles. SUBSTANCE: vehicle on dynamic air cushion has two bodies-floats, hull-boat with tail unit, front and main wings with flaps and power plant with propellers. Propellers are arranged on main wing before front wing. Vehicle has wing-float with V-shaped lower surface arranged under main wing so that its leading edge is located under trailing edge of main wing with clearance not exceeding 4% of summary chord of wings. Trailing edge of wing-float has 40- 55 deg sweep forward and projects beyond the limits of hull for contact with screening surface. Gravity center of vehicle is located behind aerodynamic pressure center. EFFECT: increased reliability and safety of vehicle. 2 dwg