| 摘要 |
PROBLEM TO BE SOLVED: To provide a hull in which a stern flow field is improved, a hull vibration is reduced and its manufacturing is facilitated. SOLUTION: A hull 1 of the present invention is constituted such that a hull bottom surface 7 at the upper part of a propeller 5 is provided with a tunnel-type guiding surface 9 having a cross sectional shape curved upwardly in concave shape and extending in a forward or rearward direction, and an extension part of the tunnel-type guiding surface 9 at its inner surface 15 is formed at the lateral outside part of the tunnel-type guiding surface 9. Flow regulating fins 11, 11 protruded from the hull bottom surface 7 are installed. COPYRIGHT: (C)2005,JPO&NCIPI
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