| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ship sailing method and a technology method capable of dramatically improving efficiency of operation and a sailing method for performing departure and arrival of a shore by a power screw method of other tugboat and the like while an own power operation range by a screw method is limited, for improving operation property of a ship with power saving.SOLUTION: Air is taken from on a ship and then is passed through a duct, the tip end of the duct is attached to a screw part on current installation, for feeding air from the ship to rearward, for exhibiting propulsion power of sailing forward movement of the ship by the propulsion power.</p> |
