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Bow thruster Permanent magnet
for shipstunnel type

bow thruster
bow thruster
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Application domain
for ships
Other characteristics
tunnel type

134 kN, 211 kN


1,000 kW, 1,600 kW (1,359.6 hp)


The Permanent magnet tunnel thruster (TT-PM) is the latest tunnel thruster design from Rolls-Royce and has been engineered with reliability and through life costs as the focus. Using permanent magnet motor technology increases efficiency and makes the installation more compact, only the variable frequency drive unit is housed in the thruster room, freeing up space on board. It also simplifies maintenance as the patented mount means units can be removed and replaced without drydocking. PM thrusters are currently available in two sizes with powers of 1,000 and 1,600 kW. These thrusters have been developed for the most demanding applications such as DP. Key Features Efficient and space saving PM technology Fast response times to full power Rugged design with high reliability Equal thrust in both directions Patented resilient mounting system reduces noise and vibration, simplifies tunnel fabrication and removal/installation Oil filled stator for superior cooling and protection Robust centre shaft carries all propeller loads


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.