| 摘要 |
PURPOSE: A propeller and a ship including the same are provided to improve propulsion efficiency by reducing drag applied to multiple blades. CONSTITUTION: A propeller comprises a hub(22), multiple blades(24), and tip blades(26). The blades are installed on the outer surface of the hub. The tip blades are rearward extended from the ends of the blades. Each tip blade comprises a fin shaft(27) and multiple fins(28). The fins are installed in the outer circumference of the fin shaft. |
