Erik Thun Puts Dynamic Drive From Berg Propulsion At The Heart Of Fuel Efficiency Gains

Nordic Crystal will feature Berg Propulsion’ Dynamic Drive with ‘floating frequency’ capability
Photo credit/source Christopher Kullenberg Rothvall.

Erik Thun Puts Dynamic Drive From Berg Propulsion At The Heart Of Fuel Efficiency Gains

Erik Thun Group has selected Berg Propulsion’s Dynamic Drive technology to optimize efficiency on board all 10 of its latest newbuildings. The Swedish owner confirmed its decision after pilot installations exceeded energy efficiency gain expectations, with the integrated drive solution helping to save 10% of fuel, rising to 20% in some operational conditions.

As part of Erik Thun’s rolling fleet renewal strategy, the owner recently expanded its newbuild program with Dutch yard Shipsveerf Ferus Smit B.V to include four 5,100 dwt ’Troll-Max’ dry cargo vessels, as well as six 7,999 dwt coastal ‘Eco Tankers’. Tanker deliveries started earlier this year, with the last of the 10 vessels due in service in 2026.

All 10 ships will feature Berg’s complete main propulsion systems and energy optimizing control technology, and include Dynamic Drive after trials on Snow Crystal, Nordic Crystal and Baltic Crystal.

“The data indicated that, on average, Dynamic Drive functionality will help achieve a 10% saving in fuel consumption, while in some operational conditions that could increase to 20%,” said Ola Persson, Technical Project Manager, Erik Thun.

Dynamic Drive is an adaptive thrust and fuel optimization software, offered for inclusion with the Berg Propulsion MPC 800 control system. The software automatically and dynamically identifies the most energy efficient settings for propeller pitch/RPM to produce the thrust to maintain the required speed.

Jorgen Karlsson, General Manager Europe & Americas, Berg Propulsion, said: “Dynamic Drive provides a user-friendly interface which simplifies a key part of operations, allowing crew to set limits more easily to ensure consistent fuel-efficient vessel operation in all operational modes.”  

Thun conducted its initial trial of the solution on board the newbuilding bulk carrier Snow Crystal – a modern, energy efficient, ice class 1A ship which operates on Sweden’s Lake Vänern. Its success convinced the owner to choose the solution for Nordic Crystal and Baltic Crystal, with specifications modified to include ‘floating frequency’ capabilities.

“Decarbonization is a key driver for our operations and maximizing efficiency is a central requirement for reducing carbon intensity, whether we are talking about current fuels or the new generation of higher cost alternatives,” commented Henrik Källsson, Erik Thun AB Deputy Managing Director. “Working with the Berg Propulsion team over many years has proved a winning formula for us.”  

Mattias Hansson, Global Sales Manager, Berg Propulsion, added: “I would like to thank Erik Thun and Ferus Smit for continuing our excellent cooperation, where clarity on objectives encourages openness to innovative ideas – especially those aligning with Thun’s focus on sustainability. Dynamic Drive is delivering a practical solution that helps a ship’s crew and its owner achieve greener operations.”

Berg Propulsion Provides Systems Integration For New Buksér Og Berging Offshore Tug

Berg will provide integrated electrical power and control or the 120-tonne bollard pull tug – due delivery to BuBe by Uzmar Shipyard next year

Berg Propulsion Provides Systems Integration For New Buksér Og Berging Offshore Tug

Berg Propulsion has been selected to provide state-of-the-art control and propulsion technology for what will be one of the largest hybrid tugs ever delivered, after owner Buksér og Berging AS (BuBe) agreed specifications with Türkiye’s Uzmar Shipyard for its latest newbuild.

The project will showcase Berg’s roles as an integrator of electric propulsion technology and a supplier of high performance propulsion equipment.

Berg has been contracted to provide the full electrical power and control package for the Robert Allan-designed Rampage 4100BB-H tug, which will join BuBe’s North Sea operations in December 2024. Supply will include the electric motors, drives, main switchboard, power management system, alarm monitoring system, control system and mode selector. The order builds on  longstanding relationships with BuBe and Uzmar, as well as accumulated in-service operations of integrated Berg systems equivalent to over 100,000 hours.  

Berg’s scope of supply also includes twin MTA834CP azimuth thrusters and one MTT114CP bow thruster for the 120-ton bollard pull tug.  

Vetle Sverdrup, CEO of Buksér og Berging AS, commented: “Working with Berg Propulsion, Robert Allen, and Uzmar Shipyard has brought together world-class expertise to create a vessel that will set new industry performance standards. Berg’s integrated hybrid system and automation solutions have been chosen for their ability to optimize tug efficiency and operational flexibility in a single package.”  

Switching seamlessly between operating modes, Berg’s propulsion control package will be decisive in the tug’s superior responsiveness and its ability to continuously optimize energy efficiency. Options comprise power mode (twin diesel engines + gensets, with load sharing managed by Berg’s MPC800A unit); mechanical + PTO mode; Eco mode (electric power from gensets, main thrusters run via PTI motors – main engines disengaged); and standby.  

A. Noyan Altug, CEO, Uzmar Shipyard, said: “This is a milestone project for Uzmar in every respect, and a significant win within our important Norwegian client base. Berg Propulsion has developed long and successful working relationships with Uzmar and BuBe. Past experience with Berg has been key for the owner in its selection – just as it is for Uzmar as delivery partner.”  

In an example of Berg’s close working relationship with Uzmar, Mustafa Müslüm, General Manager, Berg Propulsion Eurasia, said ‘Hardware in the Loop’ tests of electrical integration, the automation system and associated equipment would be conducted as a simulation of the future sea trial at Berg’s production facility before factory acceptance tests.  

“Such an extensive test will eliminate any interface issues before delivering products to the yard, which will optimize time management during the ship acceptance tests and the harbor acceptance tests,” Müslüm explained. 

 Jonas Nyberg, Managing Director Advanced Solutions, Berg Propulsion, said: “Our partnership with BuBe is an excellent example of Berg’s role as integrator across advanced operational systems, including the interface with intricate mechanical solutions. We have dug deep into BuBe’s specific operational and service needs to ensure that every piece of equipment delivers its full potential. We focus on the way the crew interacts with these systems, particularly in the bridge area, in an integrated approach that guarantees not only seamless functionality but also an enhanced user experience, making operations intuitive and efficient.”  

Berg adds adaptable control and propulsion to optimise wind assisted Neoliner in all conditions

Berg’s integrated control and propeller solution will ensure Neoliner always achieves optimized performance, whether it is powered by wind alone or with the assistance of gensets

Berg adds adaptable control and propulsion to optimise wind assisted Neoliner in all conditions

Propulsion and propeller solution from BERG for transformative ro-ro ship always optimizes vessel’s sustainable performance, even when not in use.

An integrated control to propeller solution from Berg Propulsion has been selected to ensure that the visionary Neoliner ro-ro vessel will always achieve optimized performance, whether it is powered by wind alone or with the assistance of gensets.

In January, French company Neoline Armateur contracted Türkiye’s RMK Marine to build the first ever ro-ro vessel to use wind power for commercial operations at its Tuzla yard. Designed by Mauric, the 136m length Neoliner will be a pioneer of energy transition in shipping, using emission-free wind power captured by a 3,000 sq m area of sail, supported by two 76m SolidSail folding carbon masts.

While wind power is expected to account for almost 80% of Neoliner’s propulsion needs, close maneuvers and service punctuality require auxiliary power to assist. RMK Marine has contracted Berg Propulsion to deliver and offer technical support for the auxiliary propulsion system, in an elegant solution which includes a ‘feathering’ main propeller. When feathered, propeller blades are set parallel to flow, in a position which will minimize drag when Neoliner is under sail.

Berg’s full scope of supply covers an MPP850F controllable pitch propeller with feathering system, the shafting system, gearbox and control system, and 3xMTT113FP tunnel thrusters.

“This is a transformative project that challenges the status quo in commercial shipping, and Berg is delighted to offer enabling technology to optimise Neoliner’s sustainable performance across its operational needs,” said Mustafa Müslüm, General Manager, Berg Propulsion Eurasia. “We would also like to extend our thanks to RMK Marine for its continuing trust in the Berg team.”

Whether the Neoliner uses 100% sail, electric power, its 3184-kW engine or any combination, the Berg solution will ensure optimized hydrodynamic performance and sustainability, added Müslüm.

“Berg Propulsion is an established provider of innovative propulsion technology which has been supporting RMK Marine’s delivery of highly reliable ships for almost a decade, across a range of vessel types including tankers, tugs and other service craft,” said Gürkan Türkeş (General Manager), RMK Marine. “We are delighted to be working with them once more on this exceptional project.”

Co-financed by CMA CGM, ADEME Investissement, NEOLINE Développement, Corsica Ferries, Louis Hardy S.A.S, the Banque des Territoires and the Pays de la Loire Region, the project anticipates the first Neoliner entering a pilot transatlantic service between Saint-Nazaire, Saint-Pierre-et-Miquelon, Baltimore and Halifax in 2025. Companies behind brands such as Renault, Beneteau, Manitou, Michelin, Hennessy, Clarins, Longchamp and Cointreau have already committed to use Neoliner.

“Steps continue towards the realisation of the Neoliner project as a true pioneer of energy transition in shipping,” said Jean Zanuttini, CEO, Neoline.  “Auxiliary propulsion systems will play a critical role in ensuring that wind power offers a wholly pragmatic solution to shipping’s complex energy issue,”

About RMK Marine

RMK MARINE is one of the leading shipyards in the Turkish Shipbuilding Industry, whose capabilities are based on advanced technologies, complex design and integrated engineering applications.  RMK Marine has continuously improved its business volumes and areas of expertise since 1997, when it joined Turkey’s largest industry and service group – Koç Holding. It offers turnkey solutions for Yacht, Commercial Ship and Naval Shipbuilding projects, with specialties including environmentally friendly vessels, chemical and product tankers, and carriers designed for high temperature cargoes such as asphalt / bitumen. RMK has also fulfilled many award-winning superyacht projects and will continue to build Yachts of 40 meters and above to distinctive designs.

Oslo Bulk adopts Berg Propulsion Upgrade to ensure fleet wide EEXI compliance

Oslo Bulk 6

Oslo Bulk adopts Berg Propulsion Upgrade to ensure fleet wide EEXI compliance

More ‘natural’ approach manages propeller pitch to meet energy efficiency requirements, rather than needing costly engine derating or torque control.

Bulkship Management, the Oslo-based ship manager with a specialty in geared vessels, has confirmed a significant contract to implement BERG Propulsion’s straightforward ‘EPL for EEXI’ power limitation solution across 10 ships trading in US Gulf and Caribbean waters.

Submitted to the class for approval, the new Berg Engine Power Limitation solution is of particular benefit to the many ships whose performance requires only moderate adjustment to meet IMO Energy Efficiency for eXisting ships Index (EEXI) needs. In force from January 1, 2023, EEXI means owners must verify that a ship’s attained energy efficiency matches its ‘required EEXI’ by its first subsequent survey. 

A pilot technical assessment of the 8,036 DWT Bulkship vessel Oslo Bulk 6 indicated that EEXI needs would be satisfied by derating its main engine to comply with the new regulations. Sea trials covering the BERG EPL’s limiting effect on the ship’s BERG MPP950 CPP brought DNV acceptance of the system’s performance as an effective EPL solution. Bulkship has now confirmed orders to install across nine more ships.

“On a CPP installation, it is more natural to limit the engine power output by the accurate governance of the propeller than by limiting the engine rpm setpoint,” said Magnus Thorén, Sales Manager Energy & Efficiency, Berg Propulsion. “We use the main engine signal interface to limit the brake torque created by the propeller. Although it’s for a different purpose, this is based on the well-established practice of using a propeller pitch setpoint for overload protection.” Using the Berg EPL, crew are at liberty to override the function in cases where full power is needed on a password-protected basis, although exceeding the pre-set limit would result in automatic logging for later reporting purposes, said Thorén.“Our newly released EPL adds to our growing portfolio of novel automation solutions integrated in our MPC800 control platform,” commented Jonas Nyberg, Managing Director – West, BERG Propulsion. “We are continuously developing new software solutions for our existing MPC800 control system, leveraging the platform already installed in the world fleet. Solutions include fuel optimization systems, hybrid controls and now EPL, among others.”

All 10 of the Oslo Bulk ships concerned feature Berg’s MPC 800 control system solution, which is required as a starting point for the BERG EPL solution. However, Thorén disclosed that the solution’s effectiveness had encouraged one buyer already upgrading its ship control systems to MPC 800 control to specify that BERG EPL for EEXI should also be included.

Rather than using a governor for engine derating or ShaPoLi (shaft power limitation), Berg’s innovative EPL (engine power limiter) is a software-based solution which works with the supplier’s MPC800 control system to limit propeller pitch. Requiring no additional sensors, signals are sent by the BERG EPL to the ship’s controllable pitch propeller (CPP), where brake torque is reduced until the engine power reaches its approved range. The information can be used to verify that attained EEXI matches required EEXI, once entered into the IMO’s data collection system (DCS).

Second article

Second article

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.Lorem ipsum dolor sit amet consectetur adipiscing elit dolor

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.Lorem ipsum dolor sit amet consectetur adipiscing elit dolor

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Berg Propulsion propeller blade upgrade yields significant cut in fuel consumption for Stena Danica

Uni-Tankers vessels Lessow Swan

Berg Propulsion propeller blade upgrade yields significant cut in fuel consumption for Stena Danica

Substantial fuel efficiency gained and cavitation neutralized in propeller blade upgrade whose use of existing hub suggests broad appeal.

Precision engineering from Berg Propulsion has secured a substantial reduction in fuel consumption for a long-serving Baltic ferry, after a propeller blade replacement the supplier says can fit with “any hub” which also met requirements to cut machinery vibrations.

Stena Danica entered service in 1983 but, having been fully renewed in 2005, remains a familiar feature of shortsea links Sweden and Denmark, connecting the ports of Gothenburg and Frederikshavn in just three hours and 30 minutes. Last year, Stena Line asked Berg Propulsion to revise the 154.9m length ship’s twin propeller blades, with the aim of eliminating a persistent cavitation issue and enhancing fuel efficiency in a single project. In an additional technical challenge, Berg’s solution needed to be reverse engineered to fit with the existing propeller hub originally manufactured by another industry player. “Stena continuously reviews the performance of its ships to evaluate whether machinery and systems on board are optimal for their actual operations,” said Per Wimby, Senior Naval Architect, STENA TEKNIK. “This is actually the third propeller blade replacement undertaken on Stena Danica over the years but this one is especially timely, given that it anticipates new regulatory requirements for all ships to demonstrate their energy efficiency.” 

Stena Danica’s twin control pitch propellers are served by two Sulzer 12ZV40 medium speed engines per shaft. After several months of commercial operations in multiple sea states, Wimby confirmed that using the new propeller blades has reduced average fuel consumption while neutralising a longstanding issue with vibrations. ”It is a balance between efficiency and comfort onboard,” he said.

Victor Abrahamsson, After Market Business Development, Berg Propulsion, said that blade design had been optimized to reflect a planned reduction in operating speeds, in a compromise between one engine per shaft line running at full power or two engines running per shaft, without ‘overpitching’.    “Blade geometry has moved on quickly in recent years, based on more accurate calculations, 3D scanning and better modelling tools. Today, we make better use of materials so that the same or enhanced efficiencies are achieved using slimmer profiles and blades which cover less area. It’s also much easier to evaluate and predict the relative performance of different blade types.”   As one of the marine industry’s leading makers of propellers, thrusters and control systems, Berg’s insights on fuel efficiency build on experience plus investments in state-of-the-art design and manufacturing facilities, added Magnus Thorén, Energy & Efficiency Account Manager, Berg Propulsion. “With fuel consumption so high on the agenda, we are putting all available tools at the disposal of our owner clients to secure the efficiencies they need,” said Thorén. “That means delivering tailor-made solutions for specific ship operating profiles, but this project also demonstrates what’s possible using the existing propeller hub: our designers and shipyard project teams could do this for any hub.” “We would like to thank the whole Stena team for the very good cooperation to achieve the successful results for this project as per our joint efforts.” added Mattias Hansson, Global Account Manager, Berg Propulsion.

Uni-Tankers retrofits tanker duo for shipping’s low carbon era

Uni-Tankers vessels Lessow Swan

Uni-Tankers retrofits tanker duo for shipping’s low carbon era

Leading Danish owner and operator Uni-Tankers has gone the extra mile so that two of its most reliable servants are fully equipped to meet expectations for energy efficiency for the years ahead. The tanker specialist, which operates a fleet of 44 ships, recently sanctioned an overhaul of the chemical carriers Anhout Swan and Lessow Swan to ensure that both would be equipped to sail on into shipping’s lower carbon future.

International Maritime Organization targets envisage a 40% reduction in greenhouse gasses from ships by 2030. Next year, owners face a new IMO regime on ship efficiency, demanding they adhere to an Energy Efficiency for Existing ships Index (EEXI) and provide their Carbon Intensity Indicator (CII). Each ship’s EEXI rating is generated with reference to an Energy Efficiency Design Index (EEDI) baseline.

“We have an ambition to be first in class in every aspect of our operations, and that applies to minimizing our environmental impact and reducing our emissions,” said Peter Stokbro, Technical Director, Uni-Tankers. “After 14 years of proven performance, we went out to the market to seek solutions to future-proof Anhout Swan and Lessow Swan for efficiency and GHG compliance.”

Goals for greenhouse gasses

While ships built today may be designed for optimal fuel efficiency at lower speeds, those delivered 7-15 years ago were optimized for higher engine loads. With fuel prices at unprecedented levels, suboptimal performance by propulsion systems running at ‘part load’ is a cost inefficiency that can eat into competitiveness, as well as a negative for sustainability.

Uni-Tankers consulted Berg Propulsion and Zeppelin on its options to enhance the efficiency of the 2008-built ships when operating at speeds of 14kn. Berg simulations demonstrated that, in combination, the precise control available to the MPC800 system and a modification of the ships’ four-stroke MaK 8M32C main engines to run in variable rpm mode would deliver significant efficiency gains for controllable pitch (CP) propellers and thrusters.

“When we learned that Berg had a retrofit solution ready, the decision to go ahead became easy,” Stokbro says. He confirmed that installing the new Berg Propulsion control system had been pivotal in achieving a remarkable 15-17% efficiency gain on board two existing ships.

“The MPC800 control system upgrade also assists Uni-Tankers in complying with the EEXI and CII,” said Kristian Larsen, Fleet Manager for Uni-Tankers. “It lets us operate the vessels as fuel efficiently as possible, meeting our ambition of providing highly competitive sustainable shipping solutions.”

Lower fuel consumption

Jonas Nyberg, Managing Director West for Berg Propulsion, explained that the ability to control power more effectively using variable speeds cuts energy use overall, reducing both fuel consumption and emissions.

“This is an excellent example of the way vessels already in operation can be optimized to anticipate the transition to the EEXI and CII regimes,” he said. “The aim is to stay ahead of the curve and help customers move towards greener operations with lower CO2 emissions by offering solutions which also enhance competitiveness.”

Installing the MPC800 control system upgrade is one of several class-approved options devised by Berg Propulsion to help ships rise to efficiency challenges. In close cooperation with owners and operators, Berg analyses a ship’s current and future operational needs, evaluates its EEXI rating, and uses 3D scanning and modelling tools to develop retrofit options that offer cost-based efficiency gains, also factoring in any necessary drydocking work.

Berg Propulsion delivers EEXI performance control for danish shipping company Uni-Tankers

Uni-Tankers vessels Lessow Swan

Berg Propulsion delivers EEXI performance control for danish shipping company Uni-Tankers

Efficiency enhancements to engine control bring 15-17% in energy savings for two of the leading tanker company’s existing ships.

Uni-Tankers has confirmed that installing a new control system from Berg Propulsion has been pivotal in achieving a remarkable 15-17% efficiency gain on board two existing ships, in a retrofit project that has significantly reduced fuel consumption and emissions.

The efficiency gains reflect the installation of Berg’s MPC800 control systems and an upgrade of main engines on board the chemical tankers Anhout Swan and Lessow Swan to run in variable rpm mode. International Maritime Organization targets envisage a 40% reduction in greenhouse gasses from ships by 2030. Next year, owners face a new IMO regime on ship efficiency, demanding they adhere to an Energy Efficiency for Existing ships Index (EEXI) and provide their Carbon Intensity Indicator (CII). Each ship’s EEXI rating is generated with reference to an Energy Efficiency Design Index (EEDI) baseline. While ships built today may be designed for optimal fuel efficiency at lower speeds, those delivered 7-15 years ago were optimized for higher engine loads. With fuel prices at unprecedented levels, suboptimal performance by propulsion systems running at ‘part load’ is a cost inefficiency that can eat into competitiveness. The ability to control power more effectively using variable speeds cuts energy use overall, reducing both fuel consumption and emissions. Danish shipping company Uni-Tankers consulted Berg Propulsion and Zeppelin on its options to enhance the efficiency of the 2008-built tankers Anhout Swan and Lessow Swan operating at 14kn. Berg simulations demonstrated that, in combination, the precise control available to the MPC800 system and a modification of the ships’ four-stroke MaK 8M32C main engines would deliver significant efficiency gains for controllable pitch (CP) propellers and thrusters.“This is an excellent example of the way vessels already in operation can be optimized to anticipate the transition to the EEXI and CII regimes,” says Jonas Nyberg, Managing Director West for Berg Propulsion. “The aim is to stay ahead of the curve and help our customers move towards greener operations with lower CO2 emissions by offering solutions which also enhance competitiveness.”

Installing the MPC800 control system upgrade is one of several class-approved options devised by Berg Propulsion to help ships rise to efficiency challenges. In close cooperation with owners and operators, Berg analyzes a ship’s current and future operational needs, evaluates its EEXI rating, and uses 3D scanning and modelling tools to develop retrofit options that offer cost-based efficiency gains, also factoring in any necessary drydocking work. “The objective is to deliver efficiency gains where they are needed most,” says Magnus Thorén, Energy & Efficiency team leader, Berg Propulsion. “Variable speed control allows the owner to achieve significant efficiency improvements by delivering greater engine responsiveness to changing loads.”“Our way to measure the success of a project is how much benefit our total integrated main propulsion solutions will bring for our customers operation” says Mattias Hansson, Global Account Manager, Berg Propulsion. “We are pleased for the very good and open cooperation with Uni-Tankers and with our dealer Erik Hass at Zeppelin in Denmark to enable these efficiency upgrades in order to maximize the gains in ship performance and lowering the total cost of ownership.”Other Berg retrofit options include propeller blade optimization (including replacement), the installation of a Net Frequency Stabilizer so that the shaft generator can operate in variable speed and upgrading the control system software to enable ‘Dynamic Drive’ cruise control, says Thorén. The Dynamic Drive is software package that is installed in the Berg control system to optimize the propeller pitch and propeller rpm for any given condition. 

About Uni-Tankers

Uni-Tankers is a leading tanker shipping company trading in the intermediate and small tanker segment. The Company operates approx. 40 owned and chartered oil and chemical vessels, and provides safe and best-in-class transportation and shipping services and solutions to oil majors and larger chemical producers, shipowners, investors, brokers and partners worldwide.Uni-Tankers has a total of 78 shore-based employees located at its offices in Denmark, Turkey, France and USA as well as approx. 450 seafarers employed in its owned fleet.Learn more about Uni-Tankers, its employees and fleet on www.uni-tankers.com.

Berg Propulsion turns on the power with tug order breakthrough in Türkiye

Fitted with propulsion technology from Berg Propulsion, the new İÇDAŞ tug will support operations in the drydock and surrounding port area of Çanakkale, northwest Türkiye.

Berg Propulsion turns on the power with tug order breakthrough in Türkiye

Power performance edge for propulsion solution proves decisive as Berg Propulsion Eurasia takes its first tug order from İÇDAŞ Shipyard.

Berg Propulsion has secured its first new tug order in Türkiye since the opening of Berg Propulsion Eurasia in April 2022 – the entity which has been revitalising the well-known marine equipment brand regionally. The company has been contracted to provide a range of propulsion and control equipment for a harbour tug to be built at İÇDAŞ Shipyard.

Built to a Robert Allan design, the newbuild RAscal 2000 tug will join the İÇDAŞ fleet to support drydock  operations and activities in its surrounding port area of Çanakkale, northwest Türkiye.

Power capability was a key factor in selecting the twin BERG MTA 318 Fixed Pitch Azimuth Thrusters, shaft system and control system to work in combination with the tug’s 2x1081kW@2000rpm Cat C32 main diesel engine.

“We needed to achieve a 35-tonne bollard pull, which is high for a harbour tug of this size, and we could do this competitively because our set up can handle 8% higher input power than comparable systems,” commented Mustafa Müslüm, General Manager, Berg Propulsion Eurasia.

For Berg Eurasia, the deal represents not only a first tug propulsion order from İÇDAŞ, but a breakthrough into Türkiye’s significant tug market. Berg Propulsion supplied four MPP controllable pitch propellers to the same shipbuilder between 2012 and 2015, for cargo ships.

“We are delighted to be working with Berg Propulsion again, and we look forward to the delivery of the equipment package for this powerful tug in September 2023, and to working with Berg on other projects in the future,” said Kayhan Bilekdemir, Shipbuilding Sales Representative, İÇDAŞ Shipyard. “Berg equipment is robust and reliable, while the company is highly collaborative on supply and installation. Berg Propulsion Eurasia has also quickly established the after sales infrastructure to support a powerful presence in Türkiye.”

Two years after re-emerging as an independent force in marine propulsion and vessel control, Berg Propulsion has been investing strongly in manufacturing facilities in Hönö, Sweden and in its international network. With Berg Eurasia set up to manage sales, service, commissioning and aftermarket support, the Istanbul operation provides a significant example of the company’s strategy for enable regional hubs to support local supply and service needs, said Müslüm.

The Berg Propulsion Eurasia General Manager added that the supplier was now working hard to ensure regional customers were fully aware of the group’s broad-based range of propulsion solutions. These include integrated hybrid diesel-electric systems, electrical drives and a distinctive thruster-to-upper gears interface which offers a straightforward way of securing the benefits of a hybrid diesel with electric motor installation.

Berg Propulsion drives sustainability gains for CSL’s great lakes new generation

Nukumi features the first Direct Drive Electric solution from Berg Propulsion to be installed on a bulk carrier

Berg Propulsion drives sustainability gains for CSL’s great lakes new generation

First bulk carrier to feature high-efficiency Direct Drive Electric technology delivers emissions reductions for Canada Steamship Lines. 

Emissions reductions have been confirmed for the first ’laker’ to feature a diesel-electric drive train, after the initial weeks in service of Canada Steamship Lines’ new self-unloader Nukumi. The vessel arrived in Halifax in time to take up duties for the 2022 Great Lakes season complete with patented Direct Drive Electric technology from Berg Propulsion.

Built by China’s Chengxi Shipyard, the delivery also marks a bulk carrier market debut for Direct Drive Electric – an integrated solution developed by Berg to make high efficiency electric propulsion easier to adopt. The choice reflects CSL’s commitment to sustainable ship technology and aligns with Ministère des Transports du Québec goals to improve efficiency in transport.

The 26,000 metric tons deadweight Nukumi is a single point loader developed by CSL in collaboration with Windsor Salt to deliver de-icing salt from Mines Seleine on Magdalens Islands for use on roads across Quebec and Newfoundland.

Frederic Jauvin, Vice-President, Global Technical Services, CSL said that, compared to its predecessor, the ship’s combination of optimized hull form, electric propulsion technology and Tier III diesel-electric engines would cut greenhouse gases by 25 percent and other pollutants by 80 percent. The propulsion solution will also enhance maneuverability in the shallow Magdalen Island channel, he said.

Nukumi charts new waters when it comes to safe, sustainable and efficient shipping in the Gulf of St. Lawrence and Great Lakes region,” said Jauvin. “Its efficiency and sustainability are truly exciting and Berg Propulsion’s integrated solution and its engineering partnership with Chengxi Shipyard has been key to securing all of the available performance enhancements.”

The performance and sustainability gains of electric propulsion are widely acknowledged, especially when ships demand variable load capabilities, but Berg believes the greater simplicity direct drive solutions bring to the marine market could prove decisive.

“Conventional electric propulsion systems feed power from the generator to the power distribution system, then on to the frequency controller and the electric motor before they reach the main propeller shaft via the reduction gear,” said Jonas Nyberg, Managing Director West, Berg Propulsion. “This can be overly complex and hard to maintain, while energy is lost at every step. The Direct Drive Electric solution features electric motors that are integrated to directly drive the propeller shaft.

“For Nukumi, the use of Direct Drive Electric propulsion shows the value available when a shipowner, an equipment maker and a system integrator work together in the early ship design phase on prioritizing performance and sustainability. This is a key reference for Direct Drive Electric as a fuel efficient and easy to install technology which broadens the appeal of greener electric propulsion.”

The removal of gears allows for shorter shaft lines, fewer bearings and a smaller engine room footprint, while very high torque meant the same power could drive larger propellers, added Nyberg.

Berg indicates that energy savings compared to other electrical solutions can be in the excess of 5%, with equivalent fuel savings available. Direct Drive Electric is also ‘future-proofed’ to accommodate alternative energy sources, using a DC hub – or ‘superdrive’ – to draw on main engines or stored energy from zero emission batteries and fuel cells, as required.