AIR CUSHION CRAFT Russian patent published in 2002 - IPC

FIELD: transport engineering; air cushion amphibious craft. SUBSTANCE: proposed craft has inflatable boat, air cushion flexible guard, and cruising and supercharging plants with air duct. Inflatable boat is mounted on platform provided with bow, central and stern sections connected by two lower cross joints. Supercharging plant and screw steering gear of cruising plant are arranged beyond outlines of boat. Length of bow and stern sections is either equal to or less than half the length of central section. It is advisable to make locks to suit shape of bow and stern of boat in form of plate enclosing bow and stern of boat. Stiffening ribs of sections and flexible guard of air cushion can be mounted on platform from below, and detachable keels can be arranged on top of platform at boat sides. Rear edge of flexible guard of front inflatable balloon can be secured on breaker mounted on air duct from below. Housing of screw steering gear can be made in form of rectangle with cut off upper angles and lower struts and can be secured on stern section behind boat stern. In traveling position, platform can be folded on cross joints in form of case. EFFECT: provision of air cushion craft which can be carried on passenger car roof rack, easily assembled and disassembled on base of standard inflatable boat without damaging by cutting out hole in boat bottom for operation separately from craft in case of emergency. 7 cl, 5 dwg