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Maersk retrofits 200 time-chartered vessels

Maersk retrofits 200 time-chartered vessels

by Mariska Buitendijk | Oct 3, 2025 | Emissions, News, Ship conversion/refit, Ship propulsion, Shipping

In a large-scale programme involving fifty different shipowners, A.P. Moller-Maersk is – in close collaboration with the owners – retrofitting around 200 vessels in its time-chartered fleet. The main aim is to reduce the slot cost by improving fuel efficiency and...
‘Propeller retrofit demand surges, but adoption limited’

‘Propeller retrofit demand surges, but adoption limited’

by Mariska Buitendijk | Jul 29, 2025 | Emissions, Energy transition, Maritime research, News, Ship conversion/refit, Shipping

New Lloyd’s Register (LR) research shows that propulsion energy saving devices could deliver up to ten per cent fuel reduction. Despite these benefits, however, it appears fewer than two per cent of global fleet is currently equipped with these. Demand for...
Damen contracts Kongsberg for propeller systems ASW Frigates

Damen contracts Kongsberg for propeller systems ASW Frigates

by Mariska Buitendijk | Apr 22, 2024 | Navy, News, Ship propulsion, Shipbuilding

Damen Naval has selected Kongsberg Maritime Sweden to deliver controllable pitch propellers and shaft lines for the four Anti-Submarine Warfare (ASW) Frigates for the Netherlands and Belgium. Kongsberg will supply four shipsets of its controllable pitch propeller...
Tiny propeller defects can increase underwater noise

Tiny propeller defects can increase underwater noise

by Mariska Buitendijk | Mar 1, 2023 | Emissions, Maritime research, News, Ship propulsion, Shipping

The slightest deviation in the machining, polishing, and finishing of ships’ propeller blades could result in underwater radiated noise and cavitation, even if defects are within the maximum tolerance allowed by classification societies and the ISO 484-1 standard....
VIDEO: MARIN completes testing of new F-series propellers

VIDEO: MARIN completes testing of new F-series propellers

by Mariska Buitendijk | Feb 17, 2023 | Maritime research, News, Ship design, Ship propulsion

In a Joint Industry Project (JIP), MARIN has developed a standard series of 150 efficient fixed-pitch propellers using the latest tools. This week, the final test of this new F-series took place. ‘The Wageningen B-series propellers is quite famous amongst naval...
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