Naval architecture

Naval architecture

The engineering science dealing with the design, construction, maintenance and operation of marine vessels and structures.

Industry: Shipbuilding

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Naval architecture

gaff sail

Shipbuilding; Naval architecture

A sail fitted with a gaff in which the sail is four-cornered, fore-and-aft rigged, controlled at its peak and, usually, its entire head by a gaff. The gaff enables a fore and aft sail to be four ...

fore and aft sail

Shipbuilding; Naval architecture

A sail hinged at its forward end.

schooner

Shipbuilding; Naval architecture

A sailing vessel of whatever size fitted with two or more masts carrying fore and aft sails. When fitted with two masts, the forward mast may be shorter than the other.

controllable pitch propeller

Shipbuilding; Naval architecture

A screw propeller in which the blades are pivoted and their angle modified by controls within the vessel.

square propeller

Shipbuilding; Naval architecture

A screw propeller in which the pitch equals the diameter.

reversible pitch propeller

Shipbuilding; Naval architecture

A screw propeller in which the pitch of the blades can be switched from a single ahead position to a single astern position by controls within the vessel.