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An underwater thruster is a configuration of marine propellers and hydraulic or electric motor built into or mounted to an underwater robot as a propulsion device. These give the robot movement and maneuverability against sea water resistance.
The most powerful podded thrusters in use are the four 21.5 MW Rolls-Royce Mermaid units fitted to RMS Queen Mary 2. [1] Mechanical azimuth thrusters can be fixed installed, retractable or underwater-mountable. They may have fixed pitch propellers or controllable pitch propellers. Fixed installed thrusters are used for tugboats, ferries and ...
Propulsion thrusters are those thrusters which provide longitudinal motion for vessels as an alternative to traditional propellers. There are a variety of types of propulsion thrusters but the most common form is the azimuth thruster, that can rotate 360 degrees on a vertical axis to optionally produce thrust for maneuvering. (Lindborg, 1997).
Propulsion: Combined diesel and gas (CODAG) Two BAZAN BRAVO 12V 4.5 MW diesel engines for cruising; One GE LM2500 21.5 MW gas turbine for high speed running; MAAG gearboxes; two shafts driving controllable pitch propellers; Bow Thruster Retractable (Electric)1 MW Brunvoll; Diesel Generators 4 × MTU 396 Serie 12V 1250 KVA; Speed: 27 knots (50. ...
The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...
Propulsion: Combined diesel and gas (CODAG) Two BAZAN BRAVO 12V 4.5 MW diesel engines for cruising; One GE LM2500 21.5 MW gas turbine for high speed running; MAAG gearboxes; two shafts driving controllable pitch propellers; Bow Thruster Retractable (Electric)1 MW Brunvoll; Diesel Generators 4 × MTU 396 Serie 12V 1250 KVA; Speed: 27 knots (50. ...