Propulsion – Page 80
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NewsTwo-strokes gear up for latest emission regulations
The two main low-speed engine designers continue to bring upgraded versions of their range to the marketplace.
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NewsMaersk opts for energy-saving propellers
During 2011, Spanish company Sistemar, part of the Cintranaval-Defcar group, concluded a trial in conjunction with A.P. Moeller – Maersk on Sistemar’s CLT propeller.
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News12-cylinder engine designed for high power and light weight
Italian engine manufacturer Seatek is probably the only diesel engine builder in the world that builds engines dedicated to the marine market, writes Dag Pike.
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NewsNew fixed podded drive
Gearbox manufacturer Reintjes is the latest company to enter the developing market for pod drives for smaller vessels, writes Dag Pike.
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NewsEuropeans supply propulsion for US Navy
Rolls-Royce and Converteam have recently secured multi-ship high-power propulsion contracts with Lockheed Martin and General Dynamics NASSCO, writes Henrik Segercrantz.
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NewsTurbo developments major on increased airflow and greater efficiency
Advances in turbocharger design allow smaller frame sizes, energy savings, higher efficiency, reduced emissions and cost savings, writes David Tinsley
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NewsSuccess for Swedish waterjets
Swedish waterjet maker MJP reports several recent significant military orders for its products.
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NewsColombian Navy modernisation project
After 30 years of service, the Colombian Navy’s Almirante Padilla class frigates are being modernised at the Cotecmar naval dockyard.
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NewsReady for the next emissions stage
The further development of MTU’s series 1163 engine for the IMO Tier II limits is described by Christoph Fenske, senior manager, application center marine, naval surface craft at MTU Friedrichshafen.
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NewsHyundai expands home-grown engine range
In a relentless drive to extend the market reach and brand power of its home-grown HiMSEN four-stroke range, Hyundai Heavy Industries’ Engine & Machinery Division (HHI-EMD) has introduced more powerful variants of its smallest medium-speed design, the H17/28.
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NewsMAN sets up dedicated emissions test centre
At the Augsburg fountainhead of its medium-speed engine technology, MAN Diesel & Turbo has this year opened a new emissions test facility.
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NewsBelgium’s independent maker shows resilience
Independent producer of medium-speed engines Anglo Belgian Corporation(ABC) has provided the propulsive power for a new generation of shortsea cargo vessels commissioned by the UK-based company Union Transport.
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Japanese provide new options in gas engines
As a pointer to Kawasaki Heavy Industries’ plans to make its Green Gas Engine series available to the marine market, two 12-cylinder versions of the spark-ignited, medium-speed design have been written into the specification for K Line’s conceptual, LNG-fuelled car carrier.
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NewsWärtsilä strengthens hand in hotly-contested sector
Representing a further major stage in the evolution of its 320mm-bore medium-speed engine, Wartsila’s popular W32 series has been augmented by new models offering a 16% power advance over the earlier engine design.
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NewsSteep rise projected for dual-fuel applications
Implicit in the recent news that Wärtsilä dual-fuel, medium-speed engines have topped 3million running hours in marine and landside applications, the technology has attracted wide endorsement as a viable solution to environmental and economic challenges facing the respective markets. In fact, DF capability is spearheading the company’s technological drive in ...
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NewsGood vibrations with cushioned mountings
Trelleborg Industrial AVS (TIAVS) designs and manufactures mountings and isolation solutions for marine machinery on vessels of every type, and describes some particular products here.
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NewsDesign software aids calculation of shaft vibrations
Dutch company Machine Support, part of the SKF group, says that during the period 1998-2006, one third of ship problems were machinery-related, and a significant proportion of these equipment failures resulted from vibration.
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Well-designed silencers to deal with low frequency noise
Danish company Silentor reports success with a project in which an initial order for five silencers grew to encompass the delivery of 84 silencer units in total.
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NewsJapanese marque puts more resources into R&D
Complementing its production of low-speed machinery under licence from Wärtsilä, with whom it has a history of collaboration, Mitsubishi Heavy Industries’ sustained in-house development of the UE range ensures that European designs do not completely dominate the world market for large, two-stroke marine engines, writes David Tinsley.
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NewsNew generation quickly extends market reach
Regarded as the most significant development in the MAN low-speed portfolio since the introduction of the ME electronically-controlled generation of engines, the release of the ultra long stroke G-type has proved timely and apposite to market needs, writes David Tinsley.
