Energy Saving Devices – Page 4

  • ClassNK has given AiP to the design of a hard sail system which converts wind energy to propulsive power Photo: ClassNK

    ClassNK approves hard sail system design


    Classification society ClassNK has granted approval in principle (AIP) for the basic design of a hard sail system which converts wind energy to propulsive force with a telescopic hard sail.

  • Mediterranean Shipping Company's (MSC) 399.9m-long, 23,756 TEU MSC Gulsun is the largest container vessel in service. (Picture credit: MSC)

    A second wind for air lubrication systems


    MSC’s new 23,700 TEU MSC Gülsün is the latest vessel to be built ready to be fitted with an air lubrication system, amid a resurgence in interest in the technology, writes Nick Savvides.

  • The first commercial installation of Airseas' Seawing power kite is due to be undertaken in 2020 aboard Ville de Bordeaux ro-ro. (Picture copyright: Carsten Feldhusen/

    Pulling power: applying dynamic control to towing kite technology


    The last few months have seen an upsurge in interest in Seawing, the automated power kite developed by Toulouse-based developer Airseas, even before the product’s commercial launch.

  • ClassNK has released guidelines for wind-assisted propulsion systems Photo: ClassNK

    ClassNK releases wind propulsion guidelines


    In response to ever-tightening environmental regulations, classification society ClassNK has released its new guidelines for wind-assisted propulsion systems.

  • Wind farm

    Europe’s wind capacity up from 2018


    Europe added 4.9GW of new wind energy capacity in the first half of 2019, according to figures released by WindEurope.

  • ABS and MARIN have launched a project to assess the performance of wind propulsion systems. The project includes Rotor Sail producer, Norsepower (pictured).

    Wind propulsion project launched


    ABS and MARIN have launched a joint industry project (JIP) to investigate methods of assessing the performance of wind-assisted shipping propulsion technologies.

  • 'K' Line is trialling the Airseas Seawing Photo: Airseas

    'K' Line trials flying wing system


    Japanese transportation company, Kawasaki Kisen Kaisha (''K'' Line), is installing an automated kite system developed by Airbus company, Airseas, on its large bulk carrier.

  • Norsepower Rotor Sail installed on board the 'Viking Grace' Photo: Norsepower Oy

    Norsepower’s Rotor Sail delivers fuel savings


    Independent tests on a Viking Line-owned and operated cruise ferry have showed that Norsepower Oy’s Rotor Sail technology has the potential to deliver LNG fuel savings of around 300 tonnes per year.

  • Norsepower has been awarded class approval from DNV GL for its Rotor Sail propulsion system Photo: Norsepower

    Norsepower gets class approval for rotor sail


    Clean technology company, Norsepower Oy, has been awarded the first ever type approval design certificate granted to an auxiliary wind propulsion system onboard a commercial ship.

  • Trials on board the 'Fehn Pollux' of the Eco-Flettner propulsion system are said to be going well Photo: EMS-Fehn-Group

    Flettner investment pays off for Fehn


    Performance of the Eco-Flettner, a rotor sail propulsion system, is reported to be exceeding expectations.