Propulsion – Page 61
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NewsGeislinger launches noise reducing coupling
Geislinger’s new Silenco acoustic coupling is designed to minimise the transfer of the structure-borne sound.
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NewsTime for triple screw?
An often overlooked option in the ship design playbook, triple screw propulsion could offer a fuel efficient alternative to twin propeller configurations for a variety of vessels. That’s according to Oskar Levander, vice president of innovation at Rolls-Royce.
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NewsAuto-ships promise industry shift
Autonomous ship projects may have unexpected results for the entire industry writes Stevie Knight
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NewsHighly-charged vision
Technology’s Catch 22 is that innovation is at worst an expensive failure and at best - if it’s a success - it will be superseded writes Stevie Knight. No wonder that so many firms have ‘queued up to be second’ when it comes to electric and hybrid vessels - and ...
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NewsDifferent directions for Flettner rotors
Flettner rotors have a great deal going for them. In fact, early signs show they could prove an untapped goldmine – but getting it right will make or break those involved in the innovation, writes Stevie Knight.
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NewsReintjes introduces down-angle gearbox
Reintjes will present its new down WVSA down angle gearbox series at this year’s SMM exhibition in Hamburg in September.
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NewsWightlink newbuild to debut Wärtsilä hybrid technology
A ship under construction at Cemre shipyard for UK operator Wightlink will be the first ferry to employ Wärtsilä’s technology that uses batteries to manage engine load fluctuations.
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NewsABB delivers ice class Azipods to Korean yards
ABB is to deliver four Azipod thruster, totalling 52 MW of power, to be fitted to an ice-class LNG tanker and an arctic oil tanker under construction at South Korean yards.
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NewsNOx reduction: Chemical or mechanical?
Over the last couple of years, capital investment in energy and fuel efficiency has dropped off. But NOx compliance and reduction of particulate matter remains a crucial topic, writes Paul Morgan.
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NewsFederal-Mogul piston ring advances
Federal-Mogul Powertrain will introduce recent developments within its Goetze (145-640mm cylinder bore) and Daros (260-980mm) range of piston rings for two-stroke and four-stroke large bore engines (LBE) at this month’s SMM exhibition.
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NewsPredicting wind power
Industry professionals are searching for models that determine whether wind assisted ship propulsion will be commercially viable on cargo vessels. But this snake bites its own tail: more user data is needed before an accurate calculation can be made. Hans Buitelaar, editor of SWZ Maritime, reports.
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Zurich start-up develops virtual engine tuning
ETH Zürich spin-off company Vir2sense is developing an engine testbed simulator which it says will enable ship operators to optimise the performance of their marine diesel engines.
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IWSA announces wind propulsion awards shortlist
Public voting for the inaugural Wind Propulsion Innovation Awards, to be presented at SMM Hamburg on 8 September, is now open.
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Bulker debut for ME-GI engine
A 50,000dwt vessel to be built for Korean ship owner Ilshin by Hyundai Mipo Dockyard will be the first LNG-powered bulk carrier powered by MAN Diesel & Turbo’s ME-GI engine.
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NewsCurrent challenges, emerging solutions at CIMAC Congress
Near record low oil prices and depressed shipping rates in many sectors provided a stimulating backdrop to the triennial CIMAC Congress in Helsinki in June. But engine makers and users were in good spirits as they shared experiences, strategies and technical innovations. Gavin Lipsith reports.
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NewsMitsui-MAN ethane two-stroke engine completed
MAN Diesel & Turbo and Mitsui Engineering & Shipbuilding Co have built the first Mitsui-MAN ME-GIE engine, running on ethane, diesel or (after a simple conversion) methane.
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NewsMTU validates high-speed gas engine
MTU has reported successful bench tests for its pure gas, high-speed marine engine, the first to be launched by MTU parent company Rolls-Royce.
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NewsNES launches scalable DC grid system
Norwegian Electric Systems (NES) has launched a DC grid power distribution system that it claims can be used to enable variable generator speed operations on diesel-electric vessels of any size.
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NewsElectric & Hybrid Marine Awards winners announced
The winners of the third annual Electric & Hybrid Marine Awards were announced on 23 June at a ceremony hosted at Electric & Hybrid Marine World Expo in Amsterdam in the Netherlands.
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NewsWärtsilä to power Indian dredgers
Wärtsilä has won a contract for two new 8000m3 trailing suction hopper dredgers being built for the Adani group, India''s largest private multi-port operator.
