Shafts & Propellers – Page 3

  • News

    Berg inks deal with Yaskawa in electric propulsion drive


    Berg Propulsion has signed a key supplier and cooperation agreement to provide systems integration capability for Yaskawa Environmental Energy / The Switch permanent magnet (PM) and power electronics products.

  • Wärtsilä will supply a comprehensive package of propulsion machinery for a new asphalt carrier being built at Wuhu Shipyard in China.

    Wärtsilä wins repeat propulsion package order from Wuhu for asphalt carrier


    Wuhu Shipyard in China has selected Wärtsilä to provide a comprehensive package of propulsion solutions for a new 11,700cbm asphalt carrier for Canadian operator McAsphalt Marine Transportation. 

  • PM machine assembly in Yaskawa Environmental Energy/The Switch’s Large Drive Test Centre in Lappeenranta, one of the world’s biggest for testing large electric drive systems for marine applications and renewable energy generally

    Why permanent magnets trump the norm for in-line shaft generators


    Producing electrical power using permanent magnet (PM) technology is the future for slow-speed maritime generator applications and will help to reduce the carbon intensity of ships, says Jussi Puranen, Head of Product Line, Electric Machines, at Yaskawa Environmental Energy/The Switch

  • Two new LNG carriers being built for Capital Gas Ship Management will feature Wärtsilä’s advanced shaft generator systems.

    Wärtsilä shaft generator systems for Capital Gas LNGC newbuildings


    Wärtsilä has been awarded the contract to supply shaft power generator systems to provide power take-off from the main engines for two LNG Carrier vessels. The carriers are being built at Hyundai Heavy Industries (HHI) shipyard in South Korea for Greece-based ship management service provider Capital Gas Ship Management Corp.

  • The new LNG carrier will join the fleet of next generation LNG carriers for Maran Gas, which will be designed to be the lowest emission LNG carriers in service.

    GE Power to provide SeaGreen PTO for Maran Gas LNG carrier


    GE Power Conversion will supply a power take off system for an LNG carrier to be built by Samsung Heavy Industries (SHI). The carrier will be completed in 2023.

  • Heavy weather presents a challenge to derated propulsion systems

    Storm brews over EEDI minimum power requirements


    In severe sea states, EEDI’s minimum power requirements potentially create a risk that a ship may not be able to make enough way through the water to maintain steerage “and then you are in trouble,” warned Philip Holt, a naval architect at MAN Energy Solutions.

  • Damen Shiprepair Amsterdam lifted the new Marin/Wageningen 19A nozzles with chain clocks before welding them in place. (credit: Damen)

    DMC delivers nozzles to super trawler modification project


    Damen Marine Components has delivered two large 19A nozzles to Parlevliet & Van der Plas for its 142-metre fishing trawler, the Margiris. The vessel has recently undergone a modification project at Damen Shiprepair Amsterdam.

  • Stefan Sedersten, CEO Berg Propulsion (Image: Berg Propulsion)

    Berg Propulsion reorganises after Caterpillar purchase


    After closing a deal on 30 June to buy Caterpillar Propulsion AB and re-establish Berg Propulsion, the company announced plans to consolidate its manufacturing in Sweden.

  • This Kappel propeller is fitted with hub cap fins, one of a range of options to improve propulsion systems (Image: MAN ES)

    MAN ES screws down on propulsion efficiency


    Propellers are now just about as efficient as they can get, believes Jens Ring Nielsen, a senior technical engineer for MAN PrimeServ in Denmark.

  • The safety benefits of double slope stern tube designs are increasingly topical as vessel designs evolve to meet IMO EEDI targets.



    Optimal geometric parameters for double slope aft stern-tube bearings have been determined to further reduce the risk of bearing failure

  • Caterpillar Propulsion’s propeller and thruster products could soon come under the Berg Propulsion brand.

    Caterpillar to sell off Caterpillar Propulsion AB


    Caterpillar Luxembourg SARL has agreed to sell Caterpillar Propulsion AB and its subsidiaries to a holding company controlled by former Berg Propulsion coo Stefan Sedersten

  • The eight new 174,000 cbm LNG carriers destined for long-term charter to Shell LNG will feature a direct drive PM shaft generator solution. (Photo copyright: Shell)

    WE Tech solutions for 8+6 LNG carrier order


    WE Tech has received a new order from Hyundai Heavy Industries and Hyundai Samho Heavy Industries Shipyard to deliver direct drive permanent magnet shaft generators to eight new LNG carriers destined for long-term charter to Shell LNG. The order includes an option for six further LNG carriers.

  • Geogas's new 90,000 cbm LPG carriers will feature a direct drive PM shaft generator solution. (Photo copyright:

    WE Tech to supply shaft generators for Geogas Maritime newbuilds


    WE Tech has received a new order from Hyundai Samho Heavy Industries'' Shipyard, South Korea to deliver direct drive permanent magnet shaft generators to two new LPG carriers ordered for LPG specialist Geogas Maritime.

  • The Economical Operations Solution will bring significant benefits to Bore’s new builds Photo: WE Tech

    WE Tech to supply RoLo propulsion for Bore


    WE Tech has received a new order from Wuhu Shipyard, China to deliver its Solution One Economical Operations to three new Rolo vessels.

  • WE Tech Solutions' technology is to be supplied to CSSC Jiangnan for installation on three VLECs for Pacific Gas. (Picture of Pacific Gas LPG carrier, copyright: Pacific Gas)

    WE Tech wins VLECs order


    WE Tech has received an order to deliver an energy efficient package including its direct drive permanent magnet shaft generator solution to three very large ethane carriers (VLECs). The vessels are to be built for Pacific Gas at CSSC Jiangnan in China.

  • DMC is providing rudders and steering systems for three TSHDs Photo: DMC

    DMC steers dual-fuelled TSHDs


    Damen Marine Components has won an order for three sets of steering and rudder systems for three dual-fuelled trailing suction hopper dredgers (TSHDs) currently being built at Keppel Offshore & Marine’s shipyard in Singapore for Van Oord.

  • MAN ES is hoping to expand its share of the Chinese market Credit: MAN ES

    MAN expands Chinese propeller business


    MAN Energy Solutions’ China Production and Four-Stroke Denmark’s Aft Ship & Propeller Department have signed an intercompany agreement aimed at expanding the propeller business in China.

  • WE Tech Solutions' technology is to be supplied to Hyundai Samho from September 2020 for installation on two LPG carriers.

    WE Tech expands into SK shipbuilding market


    WE Tech has received an order to deliver an energy efficient package including its direct drive dual winding permanent magnet shaft generator solution to a series of two LPG carrier vessels. The vessels are to be built for an unnamed buyer at Hyundai Samho Heavy Industries in South Korea.

  • Svitzer vessels

    Rolls-Royce inks Svitzer service agreement


    Rolls-Royce has signed a 10-year service agreement with Svitzer covering spare parts deliveries in six countries for a fleet of 17 tugs powered by MTU-brand Series 4000 engines.

  • The Van der Velden COMMANDER steering gear power pack Photo: DMC

    DMC steers SunStone’s Infinity ferries


    Damen Marine Components (DMC) has been contracted to supply the rudders and steering gear for the fifth Infinity-class vessel to be built for SunStone Ships by China Merchants Heavy Industries to an Ulstein design.