Marine fishtail rudder

• Main Authors: CHANG XIN, WANG SHUN, HOU LIXUN, HU ANKANG, LIN YI
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2021
• Subjects: MARINE PROPULSION OR STEERING; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

The invention discloses a marine fishtail rudder which comprises a rudder blade, a first tail plate and a second tail plate; the rudder blade comprises a first rudder surface and a second rudder surface, the first tail plate is hinged to the first rudder surface, and the second tail plate is hinged to the second rudder surface; a motor is arranged in the rudder blade and used for driving the first tail plate and the second tail plate to rotate, so that the tail edge of the first tail plate and the tail edge of the second tail plate are close to or away from the tail edge of the rudder blade. According to the marine fishtail rudder disclosed by the invention, tail plates are respectively arranged on two rudder surfaces at the tail part of the rudder, and the tail plates are rotated through a motor; and during steering, the tail plate is opened to form a rudder shape of a fishtail rudder, so that a relatively high rudder effect is obtained. During direct navigation or backing, the tail plate is closed to form a