Propulsion – Page 83

  • For VLCCs, it is estimated that the application of a 7G80ME-C will prompt an overall efficiency increase of 4-5%, compared with a 7S80ME-C9 or an alternative engine design with the same engine speed
    News

    Ultra long stroke engine assists higher ship efficiency

    2010-12-13T15:15:00Z

    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.

  • The Dutch-built test boat by Electric Ship Facilities that uses a hybrid gas turbine/battery/electric propulsion system based on the 30kW Capstone microturbine (Courtesy Capstone Turbine Corporation)
    News

    Marine genset powered by gas turbine

    2010-11-30T23:45:00Z

    Scheduled for launch at the Fort Lauderdale Boat Show is a generator powered by a gas turbine, writes Dag Pike.

  • The Cat C18 Acert package genset, now available with factory-fitted class-society alarm and protection
    News

    Alarm and protection available for Cat gensets

    2010-11-30T23:30:00Z

    Caterpillar Marine Power Systems has announced an additional option to expand the capability of its C18 Acert package generator sets.

  • Rendering of the new Fjord Line ferry, two ships will have main and genset engines that can be powered by LNG
    News

    Natural gas option for ferry generators

    2010-11-30T23:30:00Z

    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.

  • The Cummins QSK60 HPI auxiliary engine is now ABS certified for IMO Tier 2 emissions compliance
    News

    Cummins gensets for crane barge

    2010-11-30T23:30:00Z

    Cummins Marine is to supply a main power generation package for an accommodation and work barge currently under construction in China.

  • A Wärtsilä 4-stroke diesel engine with two stage turbocharging technology
    News

    Turbocharger maker prepares for next environmental initiatives

    2010-11-30T23:00:00Z

    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.

  • Tru-Marine laser cladding robot
    News

    Laser technology provides ‘green’ alternative to scrapping components

    2010-11-30T23:00:00Z

    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.

  • The GE LM2500 aero-derivative gas turbine engine
    News

    US and Australian success for LM2500

    2010-11-24T09:36:00Z

    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 ...

  • Bodensee ferry 'Meersburg' is running with low-emission MTU 2000 series engines
    News

    Engine builder looks to future emissions limits

    2010-10-31T23:45:00Z

    MTU is looking forward to the US, EU and IMO future limitations for NOx and particulate matter emissions, as described by Dag Pike.

  • One of the tug’s two Cummins KTA19 M main engines
    News

    Old-but-good tugs deserve repower and rebuild

    2010-10-18T13:57:00Z

    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.

  • D3 220 SOLAS engine
    News

    Small high speed range has SOLAS approval

    2010-10-18T13:56:00Z

    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.

  • The Motorship - essential engineroom equipment
    News

    Engines and propulsion

    2010-10-04T11:09:00Z

    Propulsion and machinery have formed the major emphasis in The Motorship for over 90 years – the original and best

  • The MAN 6L32/44CR engine
    News

    Dual fuel option, common-rail engines for Scandinavian ferries

    2010-09-30T23:45:00Z

    Two new cruise ferries destined for the Danish subsidiary of Norwegian operator Fjord Line will each have a MAN medium speed propulsion package.

  • The UT 755 PSV is one of Rolls-Royce’s most popular designs, the latest order features Bergen C-type medium speed propulsion
    News

    Bergen benefits from offshore contracts

    2010-09-30T23:45:00Z

    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.

  • Compac bearing for the 638mm shaft being carried to the stern tube for installation
    News

    Owners retrofit water lubricated bearings

    2010-09-30T23:45:00Z

    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.

  • Geislinger’s extended lifetime Vdamp XT
    News

    New damper and coupling

    2010-09-30T23:45:00Z

    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.

  • Metaldyne damper ready for despatch to an Asian customer.
    News

    Dampers break into Asian market

    2010-09-30T23:45:00Z

    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.

  • ZF’s 9300 PTI is designed to be at the centre of hybrid propulsion systems
    News

    Latest transmissions for hybrid power

    2010-09-30T23:45:00Z

    ZF Marine’s latest transmission development focuses on the emerging trend for hybrid propulsion system.

  • ‘Solent Express’, now able to provide a faster ferry service
    News

    Clutch saves time for hovercraft ferry

    2010-09-30T23:45:00Z

    Centa Transmissions’ UK company has recently supplied two special electric clutch assemblies to hovercraft builder Griffon Hoverwork.

  • CP propeller in Berg’s workshop
    News

    Feathered propellers for flexibility

    2010-09-30T23:45:00Z

    Tobias Huuva of Berg Propulsion explains how the flexibility and efficiency of twin- and multi-screw ships can be enhanced by feathering propellers.