Propulsion

A patent filed recently by Google proposes harnessing the company’s Makani energy kite to ships in order to provide propulsion power for vessels.

Kongsberg Maritime has completed an extensive refit of a 21-year-old main engine, remote control system aboard a VLCC during the vessel’s scheduled docking.

Rolls-Royce has successfully completed a year of sea trials of its new Azimuth Permanent Magnet Thruster which it made available to customers for the first time at this year’s SMM exhibition.

MAN Diesel & Turbo’s has revealed its newest two-stroke engine designs, heralding the launch of a new mass-optimised platform on which subsequent engines will be based.

The ultra-long stroke G-type engines introduced by MAN Diesel & Turbo just six years ago have become the fastest selling series in the company’s history, with 1,500 orders so far.

SK Shipping has ordered four X72DF two-stroke dual-fuel engines for two 180,000m3 LNG carriers to be built by Hyundai Heavy Industries (HHI).

Norsepower has received €2.6 million from the European Commission and Finnish innovation agency Tekes to further research and development of its rotor sail technology, including work on the world’s largest ever Flettner…

The Schottel Leacon system has been certified by DNV-GL as a leak-free sealing system for the oil-to-sea interface.

GE Marine Solutions has started a modernisation programme for its LM2500 gas turbine, that it says will dramatically reduce weight and lifecycle costs.

At The Motorship Propulsion & Emissions Conference in May, Ricardo UK presented a tool for evaluating how a multi-engine diesel electric vessel’s reliability could be boosted by advanced engine control, with or…

Geislinger’s new Silenco acoustic coupling is designed to minimise the transfer of the structure-borne sound.

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,…

Autonomous ship projects may have unexpected results for the entire industry writes Stevie Knight

Technology’s Catch 22 is that innovation is at worst an expensive failure and at best - if it’s a success - it will be superseded writes Stevie Knight.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…

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…

Reintjes will present its new down WVSA down angle gearbox series at this year’s SMM exhibition in Hamburg in September.

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.

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.

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.

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.

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…