| 摘要 |
Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive shaft of the front of the rear propeller to be rotated; and a reverse rotary device having a plurality of bevel gears which are provided on a rear side of the ship, and transmits rotation of the drive shaft after reversing the rotation to the front propeller. |
