| 摘要 |
PROBLEM TO BE SOLVED: To dissolve problems related to inundation to a ship body and to prevent an accident of entangling a floating material in water around a screw propeller. SOLUTION: The subject toy ship is provided with an ultrasonic vibrator 3, at least, in the stern 2b, and the ultrasonic vibrator 3 is vibrated to irradiate an acoustic stream (AS) rearward the stern 2b and used as a propulsion force of the ship body 2. COPYRIGHT: (C)2005,JPO&NCIPI
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