2-Stroke and 4-Stroke – Page 21
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NewsFull scale ammonia engine tests to begin in 2021
Wärtsilä is to begin long term, full-scale, testing of ammonia as a fuel from Q1 2021. The tests will be conducted on a marine four-stroke combustion engine at the Sustainable Energy Catapult Centre in Stord, Norway will be conducted in close cooperation with Knutsen OAS Shipping AS and Repsol.
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NewsWärtsilä ensures Mauritius cargo reliability
Wärtsilä has won the contract to provide a fully integrated main propulsion system for a new multi-purpose cargo vessel being built for Mauritius Shipping Corporation (MSCL) at the Huanghai Shipyard in China.
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NewsPump it up (when you need it)
Engine efficiency has been limited by the need to avoid potentially damaging peak pressures. But supposing you could alter those pressures on the hoof, adjusting for load while the engine was operating?
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NewsSea trials for first mobile pure gas 16V 4000 series
The first MTU series 4000 mobile gas engines have successfully started sea trials.
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NewsLOW-LOAD TUNING GOES A STAGE FURTHER
A new tuning method has improved the part-load efficiency of the most powerful engine in the two-stroke portfolio of MAN Energy Solutions, writes David Tinsley.
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NewsWärtsilä 31 engines paired with waterjets for Baltic fast ferry
The technology group Wärtsilä will provide the propulsion solutions for a new high-speed ferry being built by Austal at the Australian shipbuilder’s yard in the Philippines for Danish operator Molslinjen. The solution will pair Wärtsilä 31 engines with high-performance Wärtsilä WXJ1500SRI waterjets for the first time in a fast ferry ...
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NewsBureau Veritas awards type approval for WinGD’s 12X92DF engines
Class society Bureau Veritas awarded type approval for WinGD’s dual-fuelled 12X92DF engines, the first series of which is currently being built by China State Shipbuilding Corp (CSSC) and will power nine ultra-large container ships (ULCS) owned by the CMA CGM Group, a world leader in shipping and logistics. The engines ...
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NewsMAN's most powerful Mk10.5 type engine enters service
HMM, the South Korean shipping company, has launched the first in a series of 12 ultra-large containerships that will each feature individual MAN B&W G95ME-C10.5 low-speed main engines. At 23,964 TEU, the HMM Algeciras is the world’s largest containership and is bound for a working life between Asia and Europe. ...
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NewsTuning the engine through the air intake.
Combustion optimisation usually involves tricky remodelling of fuel injection parameters... but there is another approach - through the air flow.
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NewsWärtsilä offers FuelFlex ICU upgrade
Technology group Wärtsilä is offering an upgrading solution for its FuelFlex Injection Control Unit (ICU) to meet the requirements of operating its RT-flex type two-stroke diesel engines with both residual and low-viscosity marine fuels. The solution is available for retrofitting on vessels with Wärtsilä RT-flex96C-B and RT-flex84T-D two-stroke engines, and ...
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NewsWärtsilä supplies two-stroke engine optimisation solution for KOTC VLCCs
Wärtsilä has been contracted to retrofit an engine optimisation solution, Wärtsilä Fuel Efficiency Boost, to the main engines of four vessels owned by Kuwait Oil Tanker Company (KOTC), a subsidiary of Kuwait Petroleum Company (KPC). The order with Wärtsilä was placed in the first quarter of 2020.
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NewsJapanese consortium to develop ammonia-fuelled vessels
A Japanese consortium is collaborating in a project to develop ships designed to use ammonia as fuel, using a MAN ES ammonia-fuelled engine as the prime mover.
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NewsMAN engines for offshore installation vessel
China Merchant Heavy Industry (CMHI) has placed an order for six MAN main engines for the building of a new 5,000 tonne floating installation crane vessel for the Jan De Nul Group.
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NewsMAN ES wins RN frigate contract
MAN Energy Solutions has won the contract to supply propeller equipment for five general-purpose frigates to be constructed by Babcock International Group.
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NewsMAN powers new Baltic RoRos
MAN Energy Solutions has won the order to supply Tier II-compliant main engines for three RoRo vessels intended for operation in the Baltic Sea.
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NewsMAN wins RCN tug engines contract
Ocean Industries has placed an order with MAN for eight IMO Tier III-compliant engines in connection with the construction of four ASD tugs for the Royal Canadian Navy.
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NewsWinGD unveils flexible injector concept
Engine designer WinGD has developed a flexible injection system, that can allow for the injection of lower density liquid fuels alongside conventional fuels including heavy fuel oil and marine diesel oil. In a new whitepaper, ‘Flexible Injector to Advance Alternative Fuels Research’, the engine designer describes how the concept will ...
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NewsWärtsilä supplies solutions to Spliethoff
Technology group Wärtsilä has been selected to supply a comprehensive package of solutions for two new vessels being built for the Netherlands-based shipping company Spliethoff.
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NewsWinGD showcases 12X92DF engines
Engine designer WinGD showcased two of its latest 12X92DF engines for a select group of customers at China State Shipbuilding Corporation’s (CSSC) facility located outside Shanghai on 2 December. The Motorship was there to see the demonstration.
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NewsShort-stroke 520 and 620mm bore engines unveiled
Upgrading its existing range of diesel two-stroke engines, Winterthur-based engine designer WinGD has announced plans to launch short-stroke engines in the 520mm- and 620mm-bore bore size. The designer is also extending the X-DF range of low-pressure dual-fuel, two-stroke engines, by launching short-stroke DF versions, the X52DF-S1.0 and X62DF-S1.0, respectively.
