Engine manufacturer WinGD revealed it remains on track to deliver its first X-DF-A dual-fuel ammonia engines by Q1 2025, with the first vessels using the engine due to enter service a year later in 2026
WinGD’s confirmation follows combustion tests conducted at the Swiss maker’s research facilities in December 2022. The company said it has made recent rapid progress in developing an engine concept capable of using the zero-carbon fuel.
The developments are supported by collaborations with engine and ship builders in China, Japan and South Korea, and inhouse research investment.
Most recently, in June, WinGD signed a memorandum of understanding with Mitsubishi Shipbuilding to prepare X-DF-A for applications across a range of vessel sizes for integration with Mitsubishi’s ammonia fuel supply system. This follows a development project with Hyundai Heavy Industries initiated in June 2022.
The company recently reported that a validation platform housed in its Engine Research & Innovation Centre (ERIC) in Winterthur, the spray combustion chamber, had enabled the rapid development of two-stroke combustion concepts and emissions models.
Since first ignition in 2022, the team has gained a wealth of insights into the combustion and emissions characteristics which form the basis for a rapid deployment of the technology to the portfolio. WinGD can now provide accurate figures for ammonia consumption and relevant emissions.
Tests on the unique, purpose-built single-cylinder engine located at ERIC Winterthur and a multi-cylinder test engine at WinGD’s Global Test Centre in Shanghai will commence, in collaboration with China Shipbuilding Power Engineering Institute Co Ltd.
To define the safety aspects related to the engine installation and ammonia supply system, WinGD has recently published guidance and installation documentation for its X-DF-A engines across a range of bore sizes.
New chief executive Dominik Schneiter said, “For the industry to be truly ready for alternative fuels, the engine concepts that use them – and the vessel designs, auxiliary systems, crew training and field support network - need to be ready before the fuels become widely available. Our development timeframe, as evidenced by these milestones in research and collaboration, shows that we are on track to give shipowners and operators the time they need to prepare for decarbonised ship power using ammonia as fuel.”
And crucially, WinGD reported concrete orders on the books, involving two shipowners: signing an agreement with AET Tankers and its sister company Akademi Laut Malaysia in late June to develop crew training on ammonia engines and in January 2023, WinGD announced a partnership with CMB.Tech, a sister company of Belgian shipowner CMB, to develop ammonia-fuelled engines for 10 210,000-dwt bulk carriers.
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