2 Terms
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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
grimm propeller
Shipbuilding; Naval architecture
A variation on the counter-rotating propeller in which the trailing unit derives its energy from the spiraling water coming off the forward propeller and imparts it to extended blade tips of opposite ...
engine casing
Shipbuilding; Naval architecture
A vertical air shaft rising from over the engine room. It makes room for the exhaust system, ventilation ducts, piping, wiring, and access ladders.
trunk
Shipbuilding; Naval architecture
A vertical or inclined space or passage formed by bulkheads or casings, extending one or more deck heights, around openings in the decks, through which access can be obtained and cargo, stores, etc. ...
center girder
Shipbuilding; Naval architecture
A vertical plate on the ship's centerline between the flat keel and inner bottom or rider plate, extending the length of the ship. Also called center vertical keel, CVK, or center keelson.
rudder stock
Shipbuilding; Naval architecture
A vertical shaft that connects the rudder to the steering engine.
bilge bracket
Shipbuilding; Naval architecture
A vertical transverse flat plate welded to the tank top or margin plate and to the frame in the area of the bilge.
escape trunk
Shipbuilding; Naval architecture
A vertical trunk fitted with a ladder to permit personnel to escape being trapped. Usually provided from the after end of the shaft tunnel to topside spaces.
