The boat has an opening therein for permitting a person to be partially below the waterline and partially above the waterline.
In ships designed with a rake of keel, the waterline on which this length is measured shall be parallel to the designed waterline
The waterline plan area at the second hull part is greater than the waterline plan area at the first hull part.
The Longitudinal Centre of Buoyancy (LCB) is between about 30% and 45% of the vessel waterline length measured from the aftermost point (19) of the vessel waterline (25).
A watercraft for transportation and exercise including a boat for floating on water and having a portion thereof above a waterline and a portion thereof below the waterline.
A wash attenuator (14) for a moored vessel (10) is described.
maximum-load water line
The at least one stabilising portions provide water-plane for stabilising the cradle.
In some cases the release mechanism (14) may be omitted or alternatively two release mechanisms may be provided above the water line.
A stabilization element adapted to extend below the water line of a ship.
A saloon (44) is above water level and is secured to the top and interior walls of the hull.
The tracks (122) are retractable above the water line (fig. 9) for marine travel.
The invention enables to maintain support substantially at the equilibrium corresponding substantially to a predetermined water line.
A double-hulled vessel has a ballast draft line previously set at an empty state thereof.
In ships designed with a rake of keel the waterline on which this length is measured shall be parallel to the designed waterline