Low Speed News

ClassNK Greenlights Mitsubishi’s Ammonia Fuel Supply System

Mitsubishi Shipbuilding, part of Mitsubishi Heavy Industries (MHI) Group, has acquired an approval in principle (AiP) from the Japanese classification society ClassNK for its ammonia fuel supply system (AFSS).The AiP has been issued for the AFSS developed for the X-DF-A, a large, low-speed two-stroke ammonia-fueled engine under development by WinGD, a Swiss designer and licensor of large marine engines.In June 2023 Mitsubishi Shipbuilding and WinGD concluded a memorandum of understanding (MoU) to undertake joint technical studies on an AFSS…

Metal Shark Debuts Prowler Autonomous Vessel and Frenzy Micro-USV

Louisiana-based boat builder Metal Shark has unveiled Prowler, its new autonomous, amphibious, and semi-submersible military craft engineered to meet the current and near future warfighting requirements of the U.S. military and its allies. The company is also debuting Frenzy, a high-performance, low-cost, amphibious micro-USV (uncrewed surface vehicle) with a payload carrying capacity of up to 14 pounds.“Prowler represents the sum total of everything we’ve learned while building 400-plus autonomous and remote operated vessels for our military customers over the past decade…

NYK and JERA Agree Long-Term Charter for New LNG Carrier

NYK and JERA have signed a long-term charter contract for a new liquefied natural gas (LNG) carrier to be built in South Korea by Hyundai Samho Heavy Industries.The vessel will be delivered in 2027 and will be used to transport LNG for JERA. The contract is expected to contribute to the stable supply of LNG in partnership with JERA and strengthen and promote NYK’s LNG business as a core business of the company.The vessel will be equipped with a next-generation X-DF2.2 iCER dual-fuel…

Japan Takes the Lead on Ammonia as Maritime Fuel

Late last year Japanese maritime leaders – Nippon Yusen Kabushiki Kaisha (NYK), Japan Engine Corporation, IHI Power Systems Co., and Nihon Shipyard Co., Ltd. – signed a series of contracts to buid the world's first ammonia-fueled medium gas carrier (AFMGC) equipped with Japan-make engines. The target is a completed ship by November 2026.While the project is significant, hurdles remain, namely:While development work is underway, today there is not yet a dual-fuel ammonia engine on the market…

HamiltonJet Launches HJ215 Waterjet

New Zealand-based HamiltonJet has launched its HJ215 waterjet, an ideal propulsion solution for a wide range of boats, says the company.It is compact and lightweight and it is built for greater efficiency at high speeds, making it an excellent waterjet for thrill-seeking tourist crafts, search and rescue vessels and other marine sectors.The new factory-made TURBO II impeller option offers superior performance where acceleration and high thrust in aerated water are important. The…

Canadian Coast Guard Orders Hybrid Research Vessel

Shipbuilder Chantier Naval Forillon in Gaspé, Quebec has received an order to build a new Near-Shore Fishery Research Vessel (NSFRV) for the Canadian Coast Guard.Expected to join the Canadian Coast Guard fleet as early as 2027, the new vessel will be the agency's first-ever diesel-electric hybrid vessel with a battery energy storage system, designed to reduce the consumption of fossil fuels.Announced last week by Diane Lebouthillier, Minister of Fisheries, Oceans and the Canadian Coast Guard…

Hydrogen-fueled Ship Earns AIP

ClassNK has issued an Approval in Principle (AiP) for a parcel layout concept for a hydrogen-fueled multi-purpose vessel developed by Mitsui O.S.K. Lines, Ltd. (MOL), MOL Drybulk Ltd. (MOL Drybulk), Onomichi Dockyard Co., Ltd. (Onomichi Dockyard), Kawasaki Heavy Industries, Ltd. (Kawasaki), Japan Engine Corporation (J-ENG). This is the world’s first AiP certification for a ship equipped with a large low-speed two-stroke hydrogen-fueled engine as the main propulsion engine.Demonstration…

WinGD Issues NOL for Chevron's Taro Ultra Advanced 40

Chevron Marine Products’ Taro Ultra Advanced 40 oil has successfully passed NOL (No Objection Letter) requirements by engine manufacturer WinGD. This follows the earlier NOL award for Taro Ultra Advanced 40 from MAN Energy Solutions. This latest test validates the suitability of the oil for use in WinGD engines operating with liquid fuels containing sulphur in the range 0.00<1.50 % m/m, which includes very low sulphur fuel oil (VLSFO). The test also approved the general usage…

Honda Unveils V8 Outboard Engine

Honda Marine has unveiled its first V8 outboard engine, the BF350.“The advent of the 350-horsepower engine is a highly important development for Honda Marine. This engine demonstrates Honda’s commitment to improving customer experience through our precision engineering and drive for innovation,” said Katsuhisa Okuda, Chief Officer and President, Honda Motor Europe.The BF350 is powered by a 60-degree five-liter V8 engine with VTEC (Variable Valve Timing and Lift Electronic Control) technology…

Suez Canal Ship Traffic Unaffected After Tanker Collision

Normal traffic is expected to resume through the Suez Canal within hours, the head of the canal authority said on Wednesday, following the collision of two vessels."Slight contact" was made after LNG carrier BW Lesmes made a sudden stop due to a technical failure that coincided with a strong current that drove oil tanker Burri towards it, authority chairman Osama Rabie said.The canal authority responded by sending tugboats to move both ships, he said.Singapore-flagged BW Lesmes was successfully towed outside of the waterway…

LPG: Dual-Fuel Engines Prove Their Worth

BW LPG has demonstrated the value of dual-fuel LPG operations beyond the company’s initial aim of meeting IMO 2020 Sulphur Cap regulations.In October 2020, the LPG carrier BW Gemini became the first very large gas carrier (VLGC) to have its low-speed main engine converted to an LPG dual-fuel engine. The project started several years earlier, sparked by Oslo-listed BW LPG’s preparations for the IMO’s 2020 Sulphur Cap regulations.Compared to heavy fuel oil, LPG reduces Sox emissions by approximately 97%…

HD Hyundai Begins Construction of Engine Factory in Saudi Arabia

A joint venture between HD Korea Shipbuilding & Offshore Engineering, Saudi Arabian Development and Saudi Arabian Industrial Investments has held a groundbreaking ceremony for an engine factory in Saudi Arabia.The engine plant will be built in an area of 150,000 square meters in the King Salman Global Maritime Industries Complex in Ras Al-Khair near Jubail, a city in the eastern province of Saudi Arabia. It will begin full-scale production in the fourth quarter of 2025.The maximum annual production capacity will be 30 two-stroke low speed engines…

Engine Air Compression System Boosts Fuel Efficiency 3-6%

NYK will install a variable compression ratio system (VCR system) on two large LNG-fueled coal carriers to be built at Oshima Shipbuilding. The vessels are scheduled to be delivered by the end of 2025, and NYK reports this will be the first time for VCR systems to be installed on vessels, including existing vessels that use heavy fuel oil as their main fuel.The VCR system can adjust the air compression ratio in the engine combustion chamber to an optimal balance according to engine power and LNG fuel properties.

HamiltonJet Debuts New Range of Waterjets

HamiltonJet has unveiled a new range of high-efficiency waterjets, starting with the LTX36 model. Optimized for medium- and low-speed operation, New Zealand-based manufacturer said it has produced the first waterjet to rival the energy efficiency and bollard pull of the best propeller-based systems between zero and 30 knots.Waterjets are among the most efficient propulsion options for going fast due to the absence of hull-appendages and their highly optimized pump geometry, but HamiltonJet CEO Ben Reed noted not everyone wants to go fast.“Our customers’ needs are changing…

Shallow-draft LNG Carrier Dapeng Princess Delivered

Chinese shipbuilder Hudong-Zhonghua Shipbuilding (Group) Co., Ltd. has delivered a newly built shallow-draft liquefied natural gas (LNG) carrier for Dapeng Princess LNG Transportation (Holdings) Co., Ltd.The 7,9600m3 Dapeng Princess, officially handed over during a ceremony on February 18, is the world’s largest shallow water channel fourth-generation medium-sized LNG carrier, which hangs the Singapore flag and was listed into the China Classification Society (CCS) classification.

Methanol Expanding in Bulker Segment

Long-term MAN Energy Solutions licensee Mitsui E&S Machinery has won another contract to supply the individual MAN B&W 6G50ME-LGIM (-Liquid Gas Injection Methanol) engine for a 65,700 dwt bulk carrier slated for construction at Tsuneishi Shipbuilding Co., Ltd. The vessel represents the latest methanol-fueled engine ordered by the bulk carrier segment in recent weeks.Sachio Okumura, Representative Director and President & Executive Officer of Tsuneishi Shipbuilding, said, “For Tsuneishi Shipbuilding…

Sembcorp Marine Names LNG Hybrid Tug in Singapore

Sembcorp Marine celebrated the naming of JMS Sunshine, its first of a series of LNG hybrid tugs specially designed for domestic service in Singapore.Sembcorp Marine commissioned the design and build of the world’s first LNG hybrid tug in 2018, and the company plans to build a fleet of tugs to progressively replace the existing diesel-powered fleet operated by Jurong Marine Services (JMS), a wholly owned subsidiary of Sembcorp Marine Ltd and a licensed operator of the Maritime and Port Authority of Singapore.

MAN ES: Moving Forward on Ammonia Engines

As shipowners ponder future fuels, MAN Energy Solutions is sailing full speed ahead optimizing dual fuel marine powerplants while preparing to start testing ammonia fueled engines in early 2023. Bjarne Foldager, Senior Vice President, head of two stroke business at MAN ES hosted Maritime Reporter & Engineering News in Copenhagen for a look behind the scenes at a cornerstone of its mandate to ‘Move big things to Zero.’Just 10 years ago, in December 2012, word came that General Dynamics NASSCO finalized a contract with TOTE…

First RAstar 2800-CL ASD Escort Tug Delivered

Svitzer Suez 1, the first RAstar 2800-CL ASD escort tug, has been delivered to Svitzer Egypt LLC by Cheoy Lee Shipyards and will soon commence operations in the Suez Canal. Svitzer are the first owners of this new escort tug design and a further nine tugs to this design have already been ordered with Cheoy Lee.The RAstar 2800-CL design started with a “blank sheet of paper”, according to naval architecture firm Robert Allan Ltd., who said one of the primary goals of the design was to make it extremely flexible allowing for various propulsion machinery options…

New Battery Hybrid Tugboat Design Unveiled

Master Boat Builders, Inc. (MBB), together with naval architect and marine engineering firm, Robert Allan Ltd. (RAL) announced the creation of a new battery hybrid tugboat design, the ElectRA 3000-H. This design has been developed over the past several months to suit the evolving needs of U.S. tugboat operators.“This unique hybrid tugboat design is the result of a strong and growing working relationship between Robert Allan Ltd. and Master Boat Builders and it builds upon our…

Hybrid-electric Tour Boat Enters Service in Svalbard

High-latitude tourism company Hurtigruten Svalbard has launched a first-of-its kind hybrid-electric excursion vessel in Longyearbyen, just 800 miles from the North Pole.The 14-meter vessel, Kvitbjørn, runs on a hybrid-electric propulsion system developed by Volvo Penta in partnership with Swedish boatbuilder Marell Boats and Hurtigruten Svalbard.The new 12-passenger aluminum vessel, which will take sightseers on wilderness tours around Svalbard during the local tourist season from May through October…

Hyundai Inks Licensing Deal for MAN's TCT Turbochargers

MAN Energy Solutions announced it has signed a license agreement with Hyundai Heavy Industries (HHI-EMD) for MAN’s new TCT axial-turbocharger series. The deal, signed in late-December 2021, is due to run for 10 years and is the first turbocharger license agreement MAN Energy Solutions has ever signed with HHI-EMD.Generally acknowledged as the largest marine two-stroke engine builder in the world, HHI-EMD has been a low-speed licensee of MAN Energy Solutions for decades. MAN Energy…

Chevron Supplies First Stem of 40 BN Category II Lube Oil

Chevron Marine Lubricants said it made its first delivery of a 40 BN Category II lube oil on August 30, in a breakthrough moment for operators of MAN ES Mk9 and above two-stroke engines, when it supplied a stem of its new Taro Ultra Advanced 40 to SIEM Car Carriers.“We are very pleased that Taro Ultra Advanced 40 is now available to our customers and that we have successfully made the first delivery,” said Pat McCloud, General Manager, Chevron Global Marine Lubricants. “From September, it will be available at major ports across Europe and Asia Pacific, including Singapore and Rotterdam.