2-Stroke and 4-Stroke – Page 49
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NewsMAN tests two-stage turbocharger
MAN Diesel & Turbo has carried out the first testbed run of its prototype two-stage turbocharger - a single unit comprising its existing TCR20 and TCX17 turbochargers - at the company’s factory in Augsburg, Germany.
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Saft to power CalMac hybrid ferry
Advanced technology batteries manufacturer, Saft, is to supply state-of-the-art Li-ion battery systems to Imtech Marine for a new hybrid ferry destined for Scotland.
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News‘Whale tail’ wave foil shows promise
A new whale tail-shaped wave foil could harness wave energy to reduce fuel consumption for propulsion, if initial results from tests at the Norwegian University of Science and Technology (NTNU) at Marintek’s towing tank are confirmed.
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NewsVisedo replaces Siemens in e-ferry project
Finnish electric drive train specialist Visedo will be the sole electric system supplier to what will be the world’s biggest fully electric ferry, to be built by Danish shipbuilder Søby Shipyard under the EU-supported ‘Green Ferry Vision’ multi-partner project.
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Alaska Ferry contract for Thordon Bearings
Thordon Bearings will supply its COMPAC propeller shaft bearing system to two Alaska Ferry newbuilds under construction at the Vigor Industrial shipyard in Ketchikan.
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NewsNew electric propulsion drive from ABB
The NektonDrive low voltage variable speed drive from power and automation group ABB aims to help vessels use electrical power more efficiently and to lower environmental impact.
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NewsGE Marine power for US Coast Guard cutter
GE Marine LM2500 gas turbines will power the eighth new United States Coast Guard’s National Security Cutter, ‘Midgett’ (WMSL 757), which is currently under construction in the US.
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News‘Record breaking’ Wärtsilä 31 engine launched
Wärtsilä has launched a new medium-speed engine that it claims reaches a previously unimaginable level of fuel efficiency – with consumption as low as 165g/kWh in the diesel version of the Wärtsilä 31 engine.
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SKF strikes Floatel service deal
SKF will provide condition-based maintenance to Floatel International’s floating accommodation and offshore personnel platforms under a new global service agreement.
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NewsNorsepower proves wind power savings at sea
Norsepower has reported successful sea trials of its rotor sail wind propulsion technology onboard a ship operated by Bore, with results verified by NAPA and the VTT Technical Research Centre of Finland.
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Corvus boosts Scandlines battery power
Corvus Energy is to deliver an additional 2.6 MWh battery system to Scandlines, operator of the world’s largest battery hybrid electric ferry fleet.
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NewsWärtsilä EAL propulsion package
Wärtsilä has developed propulsion systems capable of operating with Environmentally Acceptable Lubricants (EALs) to comply with the US Vessel General Permit 2013 (VGP-2013) for all vessels operating in US waters.
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NewsRolls-Royce unveils integrated cruise concepts
A suite of small cruise ship concepts released by Rolls-Royce last month aim to help shipyards and operators find efficiencies while showcasing the company’s ability to provide turnkey system solutions. Gavin Lipsith reports.
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NewsThe power to change
Driven to make a choice on future fuels by regulation, yet reined in by plummeting HFO bunker prices, ship owners would be wise to invest in propulsion solutions capable of meeting the challenges of a volatile market, according to ABB Turbocharging.
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ECA impact on auxiliary engines
The switch to ultra low sulphur fuel for ships in emission control areas may not be as big a problem for four-stroke auxiliary engines and gensets as it is for low speed main propulsion units, but operators are still advised to take precautions.
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NewsEfficiency thrust for Azipod
With the latest line extension in its successful range of gearless thrusters, ABB has sought to combine proven technologies with a very modern focus on energy efficiency and lifecycle cost. Gavin Lipsith reports.
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NewsG45 ‘green’ engine gains type approval
The world’s first 45-centimetre bore, ultra-long stroke, low-speed engine, MAN B&W 5G45ME-C9.5, has passed its type approval test.
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NewsType approval for MAN four-stroke engine
MAN Diesel & Turbo’s new L35/44DF four-stroke engine has been approved by all major classification societies for genset and controllable pitch propeller operation, after type approval tests between 30 March and 2 April.
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NewsRolls-Royce extends PM portfolio
A new permanent magnet (PM) azimuth thruster from Rolls-Royce is undergoing sea trials onboard the Norwegian University of Science and Technology’s research vessel ‘Gunnerus’. The Motorship was among press on a recent visit to the vessel in Trondheim.
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NewsCarnival inks optimisation deal with Wärtsilä
Carnival Corp is to adopt Wärtsilä’s asset performance optimisiation solution across its fleet under a new partnership that will allow the power and automation company to test new technologies on the cruise conglomerate’s vessels.
