FIELD: transport engineering; air cushion vessels and wing-in-ground-effect craft of large lifting capacity. SUBSTANCE: method comes to building air cushion for vehicle with jet guard of air cushion area over periphery of vehicle and creating gas dynamic curtain by means of supply duct which holds air cushion. Additional air is delivered to air cushion under pressure exceeding preset pressure in air cushion by value compensating for pressure losses in supply duct. EFFECT: enlarged operating capabilities. 3 dwg
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