Propulsion – Page 83
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NewsUltra long stroke engine assists higher ship efficiency
In October 2010, MAN Diesel & Turbo announced that it had produced an ultra long stroke variant of its low speed engine design, which, as part of an integrated propulsion package, could offer savings in fuel consumption and carbon dioxide emissions of up to 7% thanks to its lower rpm.
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NewsMarine genset powered by gas turbine
Scheduled for launch at the Fort Lauderdale Boat Show is a generator powered by a gas turbine, writes Dag Pike.
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NewsAlarm and protection available for Cat gensets
Caterpillar Marine Power Systems has announced an additional option to expand the capability of its C18 Acert package generator sets.
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NewsNatural gas option for ferry generators
Among MAN Diesel & Turbo’s recent medium speed and genset orders is a contract to supply propulsion and auxiliary engines to Norwegian shipyard Bergen Group Fosen for two new cruise ferries.
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NewsCummins gensets for crane barge
Cummins Marine is to supply a main power generation package for an accommodation and work barge currently under construction in China.
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NewsTurbocharger maker prepares for next environmental initiatives
Latest developments at ABB Turbocharging primarily centre around measures to ensure that engines are capable of meeting forthcoming emissions limits, whether by in-engine or external methods, or by use of alternative fuels.
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NewsLaser technology provides ‘green’ alternative to scrapping components
Singapore-based turbocharger servicing company Tru-Marine claims to have made a breakthrough in turbocharger repairs, as the first to introduce laser cladding for turbochargers in marine and other applications.
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NewsUS and Australian success for LM2500
US engine company GE Marine recently announced that its LM2500 aero-derivative marine gas turbines will be used to power the United States Navy’s new Flight IIA Arleigh Burke class destroyers. GE has received orders for the initial three of an expected nine new ships. The destroyers are being built as ...
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NewsEngine builder looks to future emissions limits
MTU is looking forward to the US, EU and IMO future limitations for NOx and particulate matter emissions, as described by Dag Pike.
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NewsOld-but-good tugs deserve repower and rebuild
British Columbia, on Canada’s west coast, has some attractive and well-proven tugs, but the fleet is ageing with many vessels over 30 years old, writes Alan Haig-Brown.
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NewsSmall high speed range has SOLAS approval
At the recent SMM exhibition in Hamburg, Volvo Penta presented its marine commercial range, which as well as the IPS propulsion unit, the recent D13 high speed diesel, and the SCR unit, includes a range of SOLAS approved engines.
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NewsEngines and propulsion
Propulsion and machinery have formed the major emphasis in The Motorship for over 90 years – the original and best
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NewsDual fuel option, common-rail engines for Scandinavian ferries
Two new cruise ferries destined for the Danish subsidiary of Norwegian operator Fjord Line will each have a MAN medium speed propulsion package.
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NewsBergen benefits from offshore contracts
Bergen engines and Rolls-Royce propulsion systems form part of recent major offshore vessel orders won by Rolls-Royce Marine. The orders cover design and equipment for five offshore and special purpose vessels, plus options worth for the company around £80 million in total.
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NewsOwners retrofit water lubricated bearings
Thordon Bearings of Canada cites a recent conversion from sealed oil lubricated bearings to open water lubricated bearings on the bulk carrier Peter R Cresswell to demonstrate a solution to oil leakage issues.
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NewsNew damper and coupling
Geislinger of Austria has announced two new products, the Vdamp XT and Genotorq, which will be exhibited at SMM in Hamburg. The two new items are targeted at power generation requirements in the maritime and offshore industry.
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NewsDampers break into Asian market
Metaldyne UK reports that it has recently delivered a torsional vibration crankshaft damper into the Asian market for two stroke engine production. This is one of a series of eight dampers.
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NewsLatest transmissions for hybrid power
ZF Marine’s latest transmission development focuses on the emerging trend for hybrid propulsion system.
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NewsClutch saves time for hovercraft ferry
Centa Transmissions’ UK company has recently supplied two special electric clutch assemblies to hovercraft builder Griffon Hoverwork.
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NewsFeathered propellers for flexibility
Tobias Huuva of Berg Propulsion explains how the flexibility and efficiency of twin- and multi-screw ships can be enhanced by feathering propellers.
