New Retractable Azimuth Thruster Series Saves Space

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Credits: Natalya Letunova/Unsplash

KONGSBERG are now launching a new series of retractable azimuth thrusters, the ULE PM type, which are smaller than competing units while maintaining thrust power,says an article published on their website.

Modern offshore wind

The compact size makes it applicable to modern offshore wind, fishing, and naval vessel designs in which onboard space is limited.

The new series is the result of a long design process that focused on reducing size and boosting efficiency.

Smallest retractable unit

The ULE PM type thruster has an integrated electric prime mover mounted very low between the steering gear.

This saves more than a metre of vertical space in an engineering compartment. The ULE PM Type is the smallest retractable unit on the market for any given power requirement.

Optimal size

KONGSBERG’s designers also focused on making the new thruster series easy to install and maintain.

“We took a hard look at our thruster design after seeing the challenges our customers face finding the right equipment with optimal size-to-performance ratios and that work with their vessel designs and operating profiles,” says Pasi Villanen, product manager for retractable thrusters in Kongsberg Maritime.

“Thanks to thorough testing, these new ULE PM type thrusters are now the best performing units in their size, which makes them a perfect choice for auxiliary propulsion.”

Dynamic positioning

All ULE PM type thrusters are available as a Combi unit, which functions as an azimuth for manoeuvring and dynamic positioning, or as a tunnel thruster when retracted into a tunnel.

The ULE PM Combi units have optimised drivetrains and hydrodynamics for high thrust and fast response time, which allows the number and size of propulsion units in a vessel to be reduced.

Patent-pending concepts

KONGSBERG’s Hydrodynamic Research Centre conducted countless simulations and tests on the new thruster series, leading to new, patent-pending concepts for the ULE PM Combi thrusters, including optimised unit-to-hull interaction and a new nozzle profile.

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Source: Kongsberg

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