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Azimuth thrusters - 5 Pages

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Azimuth thrusters

Catalog excerpts

Azimuth thrusters Rolls-Royce is a global leader in the supply of azimuth thrusters. In an azimuth thruster the propeller rotates 360° around the vertical axis so the unit provides propulsion, steering and positioning thrust for superior manoeuvrability. Designs have been developed for propulsion and dynamic positioning in response to market requirements. As a result there is a design available to suit virtually any application. Simple and robust construction provides high operational reliability together with simple maintenance for low through life costs. Units can be supplied for diesel or electric drive together with a remote control system. 65

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azimuth thruster range US type Fixed mounted thrusters The Rolls-Royce US range comprises standard Z-drive units with input powers from 250 – 3,700kW to deliver a bollard pull for tug applications ranging from 11 to over 120 tonnes. Modular design allows the configuration, mounting type and size to be closely matched to user requirements. They are available with contra-rotating propellers for high propulsive efficiency with shallow draft or FP/CP propellers, open or ducted, with diameters to suit the vessel application Mounting options Underwater Mountable UUC type Powers: 3000 - 6500kW...

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Contaz® thrusters azipull thrusters The Contaz® azimuth thruster range with contra-rotating propellers provide high propulsive efficiency and reduced vibration with shallow draught. Efficiency gains can be in the region of 10 – 15 per cent over conventional azimuth thrusters. The aft propeller regains some of the energy losses in the stream as well as significant rotational losses, therefore there is a lower installed power requirement that can release space on board and lowers fuel consumption. Contaz units have a range of stem lengths and are ideal for passenger/car ferries and vessels...

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retractable thrusters underwater mountable thrusters A robust, heavy-duty L-drive azimuth thruster specifically designed for extended and reliable DP operation on offshore rigs and drillships. Compact construction affords advantages for mounting at the shipyard and during maintenance. UUC models have two ways of connecting the lifting wires for underwater removal and mounting. From inside the ship to the thruster flange or externally to the lifting lugs on the thruster flange. Fixed and controllable pitch propeller options are available with closed loop hydraulics. The retractable range...

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Swing-up/Combi thrusters Swing-up thrusters tCNS/tCNC range - In the lowered position these thrusters act as azimuth thrusters, vectoring thrust in any desired direction for propulsion or station keeping. tCNS/C range – These units can be rapidly swung down and incorporate an improved nozzle design with the thruster lower section angled 5° downwards when fully deployed. This offset directs the propeller slipstream to limit the Coanda effect, which can reduce effective thrust. The angle of tilt can be manually increased by 3.5° to obtain the best thruster performance match to the hull. When...

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