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AIR LUBRICATED NORTH SEA CARGO SHIP ADDS WIND PROPULSION

AIR LUBRICATED NORTH SEA CARGO SHIP ADDS WIND PROPULSION

Wednesday, November 10, 2021 

Tharsis Sea-River Shipping has completed the installation of two retractable wing sails on the 88m, 2,364 dwt diesel-electric general cargo vessel ' Tharsis' at the Neptune Shipyard in Hardinxveld-Giessendam, near Rotterdam.

The work was undertaken at the same time as the vessel was having its air lubrication system upgraded. The 3m x 9m TwinFoil units are supplied by Netherlands-based eConowind and the units are both integrated in a specially designed aluminium Flatrack from which the folding TwinFoils can be deployed. The TwinFoil is a further innovation for eConowind next to its previously designed VentiFoils. The TwinFoil is a wing with a flap principle similar to those used by aircraft during landing and take-off.

Frank Nieuwenhuis, eConowind CE, said: “With this installation operating in both river and North Sea routing with varying winds we are eager to see how the rigs perform, especially with the unique combination of this self-adjusting technology in combination with a modern diesel-electric drive.”

Designed and built at the Dutch Shipyard De Kaap in 2012, the Tharsis features a diesel-electric propulsion system, which, along with the air lubrication system, reduces the vessels carbon footprint while with a ballast air draught of 6m and a minimal sailing draught of 1.65m allows navigation where most other seagoing ships are unable.

Co-owner, Tharsis Sea-River Shipping, Jan Albert Bosma, said: “Tharsis Sea-River Shipping was one of the first companies to install a diesel-electric propulsion train on its general cargo vessel with the aim of fuel and emission reduction back in 2012. After installation of a hull air lubrication system in 2020 the installation of the eConowind Twinfoil system is a logical next step towards the companies aim of becoming zero emission.” 

The wind-assist equipment will be carefully monitored and evaluated as part of the WASP (Wind Assisted Ship Propulsion) project, which is funded by the Interreg North Sea Europe programme, part of the European Regional Development Fund (ERDF) and brings together universities and wind-assist technology providers with ship owners to research, trial and validate the operational performance of a selection of wind propulsion solutions.

Bosma added: “As Tharsis Sea-River Shipping joined the WASP project as the last participant we are happy that the Twinfoil system is now installed on board the Tharsis. We are looking forward to playing our part within the WASP project and providing valuable information that will undoubtedly accelerate the adoption of wind assist systems in shipping.”

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