RESCUE TRIMARAN WING-IN-GROUND-EFFECT CRAFT Russian patent published in 2006 - IPC B60V1/08 

FIELD: shipbuilding; trimaran wing-in-ground-effect craft.

SUBSTANCE: proposed rescue trimaran wing-in-ground-effect craft contains three hulls interconnected by rectangular wings. Hull arranged in axis of symmetry of wing-in-ground-effect craft is advance forward. Craft is provided with keel, stabilizing fin and turbojet engines. Hulls are of redan type, multitier, being divided into sealed compartments in length. Side hulls are made not less than two times longer than third hull arranged along axis of symmetry of wing-in-ground-effect craft. One of rectangular wings is made passable provided with corridor for passing into side hulls. At least three twin drive sheaves are installed in watertight shafts of each hull in grooves of which wire ropes are laid being pulled out of drums and tensioned by sling fastening gear. In flight position, shaft holes are closed by streamlined covers by means of hydraulic cylinders. Sling-fastening gears are arranged in shafts. Lower part of middle hull at its rear end is made in form of fixed ramp with guides for holding and slipping of reconnaissance bathyscaphe and rescue bathyscaphe into water.

EFFECT: increased performance characteristics of wing-in-ground effect craft in rescue operations.

3 dwg