SHIP'S HULL Russian patent published in 1997 - IPC

FIELD: shipbuilding; building of ships with moderate or small fullness. SUBSTANCE: ship's hull has V-shaped frames, S-shaped buttocks and transom stern; fore extremity is made with monotonically increasing magnitude of angle between tangent to waterline and CL in section from station 2 to station 0 in area of design waterlines. After station 2 as far as station 12, hull has rectilinear or close to rectilinear branches of waterlines; maximum breadth of hull is located between stations 12 and 20; bottom portion of hull has smooth rise of buttocks beginning with midship section towards waterline. Device for defecting flow downward from waterline is located in area of aft break in width of bottom. EFFECT: enhanced reliability. 7 cl, 7 dwg