| 摘要 |
FIELD: shipbuilding; building of sailing vessels. ^ SUBSTANCE: proposed vessel is provided with trimming tanks in fore and aft extremities; trimming tanks are provided with control fittings. Mast step is made in form of tubular axle and is mounted on cylindrical insert of hull for inclination of mast to sides of vessel through angles exceeding ± 90°. Additional keel of vessel is secured on external surface of tubular step by means of bush and is provided with turn jack. ^ EFFECT: enhanced propulsive performance and navigational safety; improved habitability of vessel. ^ 3 cl, 21 dwg |
