Wärtsilä

Rutter Inc., a leading provider of advanced radar solutions, is proud to announce a collaboration with Wärtsilä, a global leader in smart technologies, and Seaspan Shipyards, a leading shipbuilder, to deliver the cutting-edge sigma S6 Oil Spill Detection and Ice Navigator™ systems for a new icebreaker being built in British Columbia, Canada, as part of the Canadian Coast Guard Polar Icebreaker Program.

The collaboration between Rutter Inc., Wärtsilä, and Seaspan underscores a shared commitment to innovation, safety, and environmental protection in polar regions. By combining Rutter Inc.’s expertise in radar-based technologies, Wärtsilä’s marine technology, and Seaspan’s vessel construction expertise, the companies aim to provide comprehensive solutions tailored to the unique challenges of the high Arctic environment.

Rutter’s sigma S6 Oil Spill Detection System leverages cutting-edge sensor technology and real-time data analysis, empowering operators to swiftly identify and address potential oil spill incidents, safeguarding sensitive ecosystems and wildlife habitats.

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Technology group Wärtsilä will supply the engines for a new Canadian Coast Guard Polar Icebreaker. The ship is being designed and built at Seaspan Vancouver Shipyards and will be the flagship of the Canadian Coast Guard’s icebreaking fleet. Because of the long operational range required for the vessel’s employment in arctic waters, fuel efficiency was a prime design consideration in the selection of the Wärtsilä 31 engine. The Wärtsilä 31 engine has been recognised by Guinness World Records as the world’s most efficient 4-stroke diesel engine and was therefore considered an obvious choice. The order was booked by Wärtsilä in Q3 2023.

The 158 metre-long multi-mission Polar Icebreaker will operate under PC2 conditions with four 16-cylinder and two 8-cylinder Wärtsilä 31 engines, delivering 47 MW of power. The engines will be fitted with Selective Catalytic Reduction (SCR) systems for IMO Tier III environmental compliance. Wärtsilä will also supply the centre shaft line with a stainless-steel ice-class propeller, as well as Wärtsilä’s NACOS Platinum navigation system.

“Wärtsilä has a fine track record and years of experience in delivering high-class marine technologies including recently delivering the propulsion equipment for the Offshore Fisheries Science Vessels (OFSV), plus the diesel generator sets for the Offshore Oceanographic Science Vessel (OOSV) built at Seaspan for the Canadian Coast Guard,” commented Leo Martin, Senior Vice President – Programs, Seaspan Shipyards.

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Sustainable shipping fuels could reach cost parity with fossil fuels as early as 2035 with the help of decisive emissions policy such as carbon taxes and emissions limits, according to a new report launched today by technology group Wärtsilä.

The report, titled ‘Sustainable fuels for shipping by 2050 – the 3 key elements of success’, reveals that the EU Emissions Trading Scheme (ETS) and FuelEU Maritime Initiative (FEUM)[i] will see the cost of using fossil fuels more than double by 2030. By 2035, they will close the price gap between fossil fuels and sustainable fuels for the very first time.

Transporting 80% of world trade, shipping is the engine room of the global economy. However, despite being the most efficient and environmental way to transport goods, it emits 2% of global emissions, equivalent to the annual emissions of Japan. Without action, this could increase by more than 45% by 2050.

In 2023, the International Maritime Organization (IMO) set a target of achieving net zero emissions by 2050. Existing decarbonisation solutions, such as fuel efficiency measures, could cut up to 27% of emissions[v]. Wärtsilä’s report argues that sustainable fuels will be a critical step in eliminating the remaining 73% but radical action is needed to scale them. The industry suffers from a “chicken and egg” challenge – ship owners won’t commit to a fuel today that is expensive, only produced in small quantities, and may be usurped by another fuel that scales faster and more affordably. Meanwhile, it is difficult for suppliers to scale production without clear demand signals.

Wärtsilä has produced new modelling that shows a timeline of which fuels are likely to become widely available on a global scale, when and at what cost. To accelerate this timeline, the report argues that decisive policy implementation, industry collaboration, and individual operator action must coalesce to scale the production of these fuels.

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In an initiative set to be transformational for ship design while protecting the oceans from pollution, Thordon Bearings and Wärtsilä have announced the formation of the Blue Ocean Alliance to develop and promote the revolutionary sterntube-less ship concept.

The Blue Ocean Alliance brings together unrivalled maritime industry expertise, with seawater-lubricated bearings pioneer Thordon Bearings, systems integrator Wärtsilä, the School of Naval Architecture & Marine Engineering of the National Technical University of Athens (NTUA), naval architect SDARI (Shanghai Merchant Ship Design & Research Institute CSSC) and classification society, ABS, who championed the initiative in 2019.

The concept of a ship design that does not require a sterntube and eliminates the need for oil-lubricated sterntube seals and bearings is revolutionary. The design is also likely to save ship owners hundreds of thousands of dollars in capital and operational expenditure over a vessel’s lifespan, including zero requirement for lubricating oil or biodegradable lubricants.

ABS has estimated that in a sterntube-less ship design, a two-week dry-dock re-alignment or bearing and seal replacement job, can instead be completed in a single day while the vessel is afloat.

Ship designer SDARI, in partnership with Thordon and NTUA, has already been granted an Approval in Principle (AIP) from ABS for the concept design of the sterntube-less vessel with Thordon’s COMPAC Split Seawater-Lubricated Aft Bearing. ABS is further developing a pertinent Guide and Notation for such a ship.

Thordon is calling the concept T-BOSS (Thordon-Blue Ocean Stern Space), a revolutionary sterntube-less propeller shaft system design, in which the vessel’s sterntube cooling tank is replaced with a dry irregularly shaped chamber, thus allowing for inspection and maintenance of a seawater-lubricated single bearing and seal from inside the ship, while afloat, without any need to withdraw the shaft.

The T-BOSS utilizes Thordon’s award-winning seawater-lubricated COMPAC propeller shaft bearing system and the Wärtsilä Enviroguard Seal, which requires no maintenance between planned overhauls of up to five years. As well as eliminating the need to withdraw the propeller shaft for the lifetime of the ship, the COMPAC bearing comes with a lifetime bearing wearlife guarantee.

Anna Galoni, CEO, Thordon Bearings, said: “The Blue Ocean Alliance brings together a formidable partnership to develop and further promote the concept. The fact that several ship owners have already shown interest in this solution is extremely encouraging.

“The T-BOSS concept introduces a new approach to a merchant vessel’s aft layout – removing the sterntube casing, employing seawater for lubrication and creating a dry chamber to permit in-water maintenance for the first time. These innovations enable ship owners and shipyards to eliminate propeller shaft oil emissions, simplify maintenance and lower operational costs.”

Rob Burford, Vice President of Shaft Line Solutions at Wärtsilä, said: “The Blue Ocean Alliance and the sterntube-less ship design promise to revolutionize the way that ships are built and operated, delivering cost savings and efficiency improvements.”

Thordon and its partners strive to shape the decarbonization of the marine and energy sectors, with products and solutions that provide efficiency, reliability, safety and environmental performance.

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Future newbuild ships of all types should be built without a sterntube and with a seawater-lubricated propeller shaft bearing arrangement, according to Blue Ocean Alliance’s Chris Leontopoulos.

Speaking at a recent maritime industry forum in Hamburg, Mr. Leontopoulos said the sterntubeless ship design – jointly developed by Blue Ocean Alliance members ABS, Thordon Bearings, Shanghai Merchant Ship Design and Research Institute (SDARI), Wärtsilä, and the National Technical University of Athens (NTUA) – is so commercially, operationally and environmentally attractive that “I personally hope that in the future all ships are built like this”.

Kick-starting his presentation with the startling statistic that more than eight million litres of sterntube lubricating oil is polluting the oceans annually, Mr. Leontopoulos, ABS’ Vice President, Technology, EMEA, said the design interventions proposed by the group can deliver a commercially and environmentally optimal vessel capable of saving hundreds of thousands of dollars in operational costs. This, without changing hull lines or existing class rules and regulations.

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Sydney, Nova Scotia - Since 1965, the Canadian Coast Guard College in Sydney, Nova Scotia, has been providing internationally recognized training to personnel of the Canadian Coast Guard. Today, this impressive training is benefiting from the addition of a new, state-of-the-art Wärtsilä training engine – the first of its kind in Canada.

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