stern tube

stern tube

[′stərn ¦tüb]
(naval architecture)
A long, circular bearing or bushing which supports the propeller shaft where it emerges from the stern of a ship.
A torpedo tube at the stern of a ship.
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References in periodicals archive ?
Mobdocks can be flexible or hard sided and are ideal for creating a dry environment underwater in which to do steel work, crack repairs, replace stern tube seals and even make localized paint repairs.
Railko Ltd is based in UK and specialises in synthetic stern tube and rudder bearing technology.
l Both stern tube seals on 50-year-old supply ships Canisteo and Caloosahatchie need welding work to rudders and propellers
Railko designs, develops, manufactures and sells synthetic bearings, specialising in synthetic stern tube bearings.
Wrtsils integrated solution includes the initial, basic, and detailed ship design, a 10-cylinder Wrtsil 31 main engine, a Wrtsil 2-speed gearbox, a Wrtsil controllable pitch propeller (CPP) including the HP propeller nozzle, stern tube seals and bearings, the Wrtsil ProTouch propulsion remote control system, two 9-cylinder Wrtsil 20 auxiliary engines, and the electrical & automation system including a hybrid battery PTI/PTO package.
Wartsila would also supply the control systems for engines and propellers plus Wartsila Deep Sea Seals stern tube seals.
Tenders are invited for Fabrication Of Stern Tube Of Yard 12651 And 12652 For P17a At Contractor Premises
The Wrtsil scope also includes the propeller shaft line system including propulsion controls, as well as a stern tube package with seals and bearings, intermediate shaft line bearings and accessories.
Contract awarded for Fabrication of Main Engine Heat Exchangers and Supply of Stern Tube Cutlass Bearing for Firefighter I & Firefighter II
Retrofit in dry dock can be carried out without removing the propeller or shaft, and for regular service and maintenance it is not necessary to drain oil from the stern tube for underwater overhaul.
drydock the vessel for us coast guard credit drydocking; anode renewal; rudder, propeller and sea valve inspections; renewal of the stern tube oil liner, inner and outer shaft seal renewal; void tank inspections; security installations; pilothouse and crews quarters coatings renewal; horizontal fall restraint system installation; sprinkler piping renewal; and other related maintenance work.