SHIP AT DISPLACEMENT OF DESTROYER (VERSIONS) Russian patent published in 2007 - IPC B63B1/06 B63B1/08 B63G6/00 

FIELD: shipbuilding; building of ships of destroyer type.

SUBSTANCE: proposed ship has hull with sides, bottom, inner bottom, ship stabilizer, stem, nose bulbous fairing deepened below BL and aft extremity with transom, upper and lower decks, superstructure, power plant equipped with at least one propulsor, navigation, radio navigation, fighting equipment and armament, shipboard systems and gears. Ship's hull is of short forecastle shape; its underwater portion has round bilge shape and above-water portion has at least two breaks in sides: one break begins from transom and is completed in first ¼ of ship's length and the other break is made above forecastle at level of upper deck. Angle of inclination of first break exceeds that of second break; transom is inclined towards stern and stem is inclined forward at angle exceeding the scalar magnitude of angle of inclination of transom to level. Lower end of propulsor blade is deepened in its extreme lower position below BL by magnitude which is lesser than maximum deepening of nose bulbous fairing relative to BL. According to second version, average gradient of increase of breadth of ship along her length in designed water plane from extreme fore point of DWL to maximum breadth in this plane does not exceed 0.4.

EFFECT: enhanced economical efficiency; reduced usage of materials; improved service and fighting qualities.

25 cl, 6 dwg