Title:
WATER JET PROPULSION BOAT
Document Type and Number:
Japanese Patent JP2003170895
Kind Code:
A
Abstract:
To improve turning property of a boat body when the boat body is advancing through inertia.
When the boat body is advancing through inertia in a stopped state or a idling state of the engine of the boat body and jet pressure is below a prescribed value and the flap 62 is swung below, a projection part 63 of a flap 62 is engaged with a hooking part 61a of interlocking members 60L, 60R, 61. When a deflector 20 is swung left or right by operating a steering wheel, the interlocking members 60L, 60R, 61 are moved to the left or the right so as to interlock with the deflector 20. A sponson 322 of the moving side or the reverse side is projected in water and resistance force generates and the boat body is turned.
Inventors:
EBIHARA FUMIHIKO
Application Number:
JP2001374402A
Publication Date:
June 17, 2003
Filing Date:
December 07, 2001
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63H25/46; B63B35/73; B63H11/08; (IPC1-7): B63H25/46; B63B35/73; B63H11/08
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)