| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydrofoil craft having a novel propulsion system which can considerably reduce the wave-making resistance during the navigation. SOLUTION: This hydrofoil craft has a ship body comprising a surface hull which is above the water level during the navigation, an underwater hull which is below the water level during the navigation, and one or a plurality of stays to connect these hulls, and the underwater hull comprises a water inlet which is open to suck water from a front side thereof, a propeller to feed the sucked water backward, at least one open water injection port to eject the water fed from the propeller backward, at least one water feed passage which is extended to at least one water ejection port from a back of the propeller, and at least a pair of blades expanded from both side surfaces of the underwater hull.
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