Latest News – Page 558
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NewsUpgrade for popular four-stroke engine
Wärtsilä explains how over the last two years it has been carrying out a test programme of improvements to its 32cm-bore four-stroke engine, to provide claimed best-in-class power density and fuel economy across a broad operating range, with rated power up by 15%.
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News
Bearing and seal performance improved through use of composite materials
Wärtsilä claims to be the only current supplier able to provide composite technology for both seals and bearings, and as a result can offer longer life, easier maintenance and added customer value in marine applications.
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NewsDual-fuel marine two-strokes attract first orders
MAN Diesel & Turbo recently announced the first order for its low-speed, dual-fuel ME-GI engine, and a few days later shipping company Teekay placed a further order, bringing the number of confirmed engines up to six, plus options.
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NewsLNG fuelled engines may be the future, but what about today?
In response to rising industry demand for more sustainable shipping, the industry is turning to LNG as a primary fuel. But with inadequate LNG infrastructure, engine manufacturers are working with other industry stakeholders to provide alternatives. Mark Fuhrmann reports.
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NewsPropulsion in the ice
Operating in ice requires a very special type of vessel and in turn those vessels require a special type of propulsion, as described by Dag Pike.
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NewsClean collaboration: meeting regulations requires joint approach
Renewed industry focus on fuel savings and increasingly strict emissions regulations now coming into force have led to a new spirit of cooperation among owners and engine manufacturers, by Mark Fuhrmann.
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NewsABC expands into new markets
At the SMM exhibition in Hamburg in September, Belgian medium speed engine company ABC launched a new, larger engine, which the company hopes will extend its market penetration into larger merchant vessels, ferries and offshore support ships.
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NewsMAN-powered diesel electric for Arctic ship
Zamakona Shipyard in Spain has recently delivered an 87m long standby vessel, ‘Esvagt Aurora’, to the Esvagt company, which belongs to the Danish multinational A.P. Møller-Mærsk group.
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NewsMAN power for Taiwanese ferry
The Lienchiang County Government of Taiwan has ordered two MAN 9L32/44CR four-stroke engines to power a ro-pax vessel sailing between Keelung and the Matsu islands, an archipelago located close to the Chinese mainland.
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NewsElectric power for Italian coastguard
A hybrid propulsion system for a patrol vessel, designed along OSV lines, is described by Dag Pike
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NewsTurnkey stern tube assembly speeds installation
An optimised stern tube assembly and improved shaft bearings aim to improve yard installation time.
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NewsCaution required switching to bio-oils for stern tubes
An estimated 4.6 to 28.6 million litres of stern tube lubricant entering the sea each year means that biodegradable oils and water lubrication are likely to figure more definitively on the regulators radar in the near future. Is the technology ready?
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NewsThe implications of ice class on two-stroke ship propulsion
With the increasing interest in opening up the Arctic routes to larger vessels, such as tankers, many of which will be powered by low speed engines, Birger Jacobsen, MAN B&W senior two-stroke research engineer, looks at ice classes and requirements for the machinery of such ships.
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NewsAsian AHTS market shifts focus
Traditionally small and relatively unsophisticated, Asia’s AHTS capability has changed as demand for deep water capability has grown. Now, the need for clean and fuel efficiency vessels is bringing further change to the market.
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NewsA novel design goes chasing the surveys
Chase & support work for the big seismic survey ships means fulfilling very diverse criteria, Andrew Richards of Offshore Ship Designers tells Stevie Knight.
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NewsWhen a little lift can make all the difference
Drydock operations are definitely labour intensive areas and this is often compounded by the time pressures that exist for most offshore support vessels, writes Stevie Knight.
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NewsSmoothing out the steps
Rising fuel prices and challenging environmental demands means that a growing number of operators and owners are beginning to reassess such overlooked energy consumers as anchor and mooring winches, writes Stevie Knight.
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NewsA ‘fork’ of a help for tankers
An offshore tanker loading idea that might have seemed a little ‘far out’ both figuratively and literally is now being taken very seriously by a large shuttle tanker and offshore services company, writes Stevie Knight.
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NewsGetting a head for heights?
A virtual reality ‘cave’ is to give people working or training for roles in the offshore industry the chance to experience the hostile, dangerous and complex conditions that they will face on the job. By Stevie Knight.
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NewsReal time responses, a very different game
“When designing controls for an active heave winch you have to think differently,” Scantrol’s MD Helge Hammersland tells Stevie Knight.
