Control of multi-hulled water craft

摘要

A water craft has a body portion and at least two water engaging means. The body portion is at least partially suspended above the at least two water engaging means by a suspension system, and locating means are provided to connect each water engaging means to the body portion to permit substantially vertical and pitch direction motions of the water engaging means relative to the body. The suspension system includes at least one front pitch support ram and at least one back pitch support ram, the front and back pitch support rams providing support for at least a portion of the body relative to the at least two water engaging means.

主权项

1. A water craft comprising a body portion and at least two water engaging means, the body portion being at least partially suspended above the at least two water engaging means by a suspension system, locating means being provided to connect each water engaging means to the body portion to permit substantially vertical and pitch direction motions of the water engaging means relative to the body, the suspension system including:
at least one front pitch support ram and at least one back pitch support ram, the front and back pitch support rams providing support for at least a portion of the body relative to the at least two water engaging means; the at least one front pitch support ram including at least a compression chamber forming a front pitch compression volume and the at least one back pitch support ram including at least a compression chamber forming a back pitch compression volume; and a body pitch conduit connected between the front pitch compression volume and the back pitch compression volume, the body pitch conduit including a body pitch device dividing the body pitch conduit into a front body pitch conduit portion and a back body pitch conduit portion, the body pitch device controlling the effective flow of fluid between the body pitch conduit front and back portions.