Title:
BOTTOM STRUCTURE OF WATER JET PROPULSION BOAT
Document Type and Number:
Japanese Patent JP3245023
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve maneuverability and perform sufficient jump through simple constitution.
SOLUTION: In the bottom structure of a water jet propulsion boat wherein a jet pusher is installed at a stern bottom, a first stepper 61 consisting of a surface higher than that of the front side is formed at the stern bottom and a second stepper 62 having width narrower and high higher than the width and the height of the first step 61 is formed on the rear side of the first stepper 61. The size of the step of the second stepper 62 is set to a value higher than that of the step of the first stepper 61, a speedometer 64 is attached to the first stepper, and a drain plug 63 is arranged at a second stepper front wall 620 between the first and second steppers 61 and 62.
Inventors:
Tomoyoshi Koyanagi
Application Number:
JP24344095A
Publication Date:
January 07, 2002
Filing Date:
September 21, 1995
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B63B1/18; B63B1/32; B63B35/73; B63H11/02; (IPC1-7): B63B1/18; B63B1/32; B63B35/73; B63H11/02
Domestic Patent References:
| JP5611193U | ||||
| JP6444894U |
Attorney, Agent or Firm:
Etsushi Kotani (3 outside)