2-Stroke and 4-Stroke – Page 4


    New engineBOLL marine filtration system gains market share


    BOLL & KIRCH has announced that its newly developed engine filtration system has received more than 1,000 orders since its recent launch, gaining a strong position in orders for MAN Energy Solutions’ ME-type engines.

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    Ammonia combustion without ignition improver demonstrated on single cylinder test engine


    Mads Carsten Jespersen and a team of researchers from Technical University of Denmark (DTU) presented research into widening the operating limits of a spark-ignited engine operating on pure ammonia and confirmed that combustion of 100% ammonia, pre-mixed with air but without an ignition improver is feasible.

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    MAN’s 49/60DF engine ushered in a new generation of engine control


    MAN Energy Solutions highlighted the development work that went into the 49/60DF engine at CIMAC 2023.

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    Hanshin Gas Engine Thermal Efficiency Exceeds Diesel


    A team from Hanshin Diesel led by Satoru Higashikawa presented results at CIMAC 2023 demonstrating the thermal efficiency of the company’s low speed 4-stroke gas engine.

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    J-ENG expands China customer support


    Japan Engine Corporation (J-ENG) has announced the opening of its first customer support center in China. The office in Shanghai opened on 1 August.

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    1MW Scale SWRI Tests Reveal Positive H2 Results


    Researchers from Texas-based Southwest Research Institute studied the effects of introducing hydrogen on a diesel engine that had not been optimised for its use and found no short-term noticeable change in engine operation.

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    Wärtsilä to supply MeOH-fuelled auxiliaries for CMA CGM newbuildings


    Wärtsilä has been awarded an order to supply the methanol-fuelled auxiliary engines for six newbuild container vessels on order for the French shipping company CMA CGM.

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    MAN ES adds Hengli Engine to list of 2-stroke licensees


    Hengli Engine (Dalian) Co., Ltd., (Hengli Engine), agreed a marine two-stroke manufacturing licence agreement with MAN Energy Solutions on 7 July, and plans to enter the marine engine building market. 

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    Wärtsilä targets high injection pressure for methanol


    Methanol has already proven to have the potential to become one of the key solutions for the marine industry to reach net carbon neutrality, and Wärtsilä has multiple newbuild and retrofit solutions available already.

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    Wärtsilä advances testing of new combustion concept


    Wärtsilä has put a considerable R&D effort in developing the next generation of its dual-fuel lean burn gas engine, with about 300 hours testing completed.

  • WTZ Roßlau has specific expertise in conducting research into hydrogen vectors on its single-cylinder test engines (credit: WTZ Roßlau)

    MAN ES participating in 4-stroke methanol retrofit research project


    MAN Energy Solutions has launched a project to develop retrofit solutions for medium-speed marine engines. The ‘CliNeR-ECo’ project includes partners from industry and research institutes, and will run until the end of 2025. Research association comprising MAN Energy Solutions, WTZ Roßlau gGmbH and TU Darmstadt start ‘CliNeR-ECo’ project.

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    MAN 175Ds for Svitzer tugs


    UZMAR Shipyards in Turkey has placed an order for 4 × 12V175D-MM IMO Tier II engines, each rated at 2,400 kW @ 1,800 rpm, for two TRAnsverse tug newbuilds.

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    First NH3-fuelled X-DF-A engine to be delivered in Q1 2025


    WinGD has stated that it is on track to deliver the first X-DF-A dual fuel engine capable of operating on ammonia by Q1 2025, and expects the first vessel powered by X-DF-A engines to enter service by 2026.

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    First ME-GA engine with individual cylinder control option completes gas trials


    The first low-pressure ME-GA engine to be equipped with a new engine control feature, ‘ME-GA-opti’, has successfully completed LNG gas trials in South Korea, MAN ES has announced.

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    Ground broken on Saudi engine factory


    Makeen, the joint venture formed between HD Korea Shipbuilding & Offshore Engineering Co., Saudi Arabian Industrial Investments (Dussur) and Saudi Arabian Development Co. (SADCO), has broken ground on the construction of a new engine production and service facility in Ras Al-Khair, near Jubail in Saudi Arabia.

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    Groundbreaking First AEngine Test Completed


    MAN Energy Solutions has announced the successful first running of a test engine on ammonia at its Research Centre Copenhagen (RCC). The company reports that the successful combustion was performed on a MAN B&W two-stroke 4T50ME-X type and produced positive results with particularly promising data regarding pilot-oil amount and combustion stability.

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    First ME-GA engine completes gas trials


    The first low-pressure ME-GA engine has successfully completed LNG gas trials in South Korea, MAN ES has announced.

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    Mitsui Augments Engine Production Range


    Ranked among the world’s most prolific manufacturers of large marine engines, Mitsui E&S (MES) produced 136 two-stroke units totalling 2.83m bhp (2.11m kW) under its MAN licence in the past financial year. Affirming market recovery and the resilience of Japanese shipbuilders, the projected output from the company’s Tamano complex for the current year ending 31 March 2024 is up at 2.90m bhp (2.16m kW), consisting of 143 units.

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    MAN ES Uses LGI Strategy For 1st Ammonia Combustion


    MAN Energy Solutions (MAN ES) has successfully started up combustion on a 2-stroke test engine operating on ammonia as fuel using the liquefied gas injection (LGI) combustion strategy, the company confirmed.

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    Digital Twin Designed to Evaluate Multiple Energy Saving Technologies


    The digital twin and data science environment being developed by the SeaTech Consortium for the testing of a dynamic wing and new engine control technology will ultimately pave the way for the testing of other technologies.