HOVERCRAFT Russian patent published in 2011 - IPC B60V1/08 

FIELD: transport.

SUBSTANCE: invention relates to air-cushion vehicles, namely, to hovercraft. Hovercraft has fuselage, wing centre section with outer wings, vertical and horizontal fins, power plant and take-off-landing device. Wing centre section with negative transverse installation angle and rear edge sweep forward is equipped with front edge drive made up of channel made in front section with channel open/close flaps. Wing centre section nose every lengthwise cross section has channel edges on upper surface arranged closer to wing centre section nose than relevant edges on lower surface to make slat in take-off configuration of hovercraft. Floats are arranged on wing centre section ends. Outer wings are jointed with wing centre section on its rear edge side at positive crosswise angle. Power plant comprises at least one engine articulated with shaft of relevant airscrew. Take-off/landing device comprises floats jointed with wing centre section. Pylon is arranged on fuselage ahead of wind centre section front edge. At least one air screw is mounted on pylon and furnished with gas jet deflector. Planing step is arranged between fuselage stem and wing centre section rear edge. Floats are provided with at least one lateral planing step. Load on float width equal to relation of take-off weight to product of number of floats, free fall acceleration, water density and float width in 3^rd power.

EFFECT: decreased speed of float emergence and take-off distance.

15 cl, 11 dwg