Title:
STERN BOTTOM PLATE FOR JET PROPULSION BOAT
Document Type and Number:
Japanese Patent JPH1179068
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide such a jet propulsion boat low in a manufacturing cost without increasing the propulsion resistance as is capable of adjusting the trim of a hull during sailing. SOLUTION: A jet propulsion machine 2 is set up at a stern bottom and a stern bottom plate 7 to cover the lower side of the jet propulsion machine 2 is mounted on a bottom plate 19 in a demountable manner. The stern bottom plate 7, which has a falt face (front-half) 71 formed falt to form the extended face 90 of a bottom face on the front side and a curved face (rear-half) 72 curved upward from the front-half 71 and extended in almost horizontal behind a stern, is mounted on the bottom plate 19 on part of the flat face 71.
Inventors:
HIRAHARA YOSHIKI
Application Number:
JP24286897A
Publication Date:
March 23, 1999
Filing Date:
September 08, 1997
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63B1/08; B63H11/08; (IPC1-7): B63B1/08; B63H11/08
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)