Propulsion

Veteran German research ship Polarstern is cutting short an Antarctic expedition and returning home for repairs after a breakdown in one of her two Escher Wyss propeller systems, writes Tom Todd.

The latest of Wärtsilä’s X-generation engines, the X62, has passed design validation and type approval tests and is now fully available.

An LNG tanker has had its engine converted to LNG without modifying the ship structure, while MaK and larger Cat engines continue to rack up orders from the offshore market sector.

One of the services offered by MTU to its customers is the opportunity to exchange a worn, time-expired engine for a good-as-new remanufactured unit.

Finnish company WE Tech Solutions says that its direct drive shaft generators can help provide a useful gain in ship efficiency, by providing as much as around 800kW to the ship’s electrical…

Kimmo Kokkila, product manager, propulsion products, ABB Marine & Cranes, Finland, describes why podded propulsors are one of the most efficient marine electrical propulsion systems in the marketplace.

Two stage turbocharging is, as Joachim Bremer of ABB explains to Stevie Knight, “just the next evolutionary step”, poised on the brink of manufacture and expected to reach the market sometime in…

Caterpillar Marine has introduced several significant updates to its four-stroke engine range, targeted primarily at the flourishing offshore sector.

At the recent SMM exhibition in Hamburg, Alfa Laval launched the latest generation of its PureSOx scrubber technology, known as PureSOx 2.0.

MAN Diesel & Turbo says that one of its four-stroke installations has been certified to meet the forthcoming IMO Tier III emission requirements, following trials onboard a DFDS ro-ro ship.

German propulsion specialist Schottel’s latest propulsion solutions feature hybrid concepts and offshore applications, being geared towards demands for environmentally friendly propulsion systems.

German cylinder pressure sensor company IMES says it has developed a new generation of cylinder pressure sensor based on thin film technology.

The recent news that Wärtsilä was, in effect, selling a majority stake in its two-stroke engine business to China’s state shipbuilding concern came as rather a shock to many in the industry.

MAN Diesel & Turbo says that it is developing a new turbocharger series specifically matched to the requirements of two-stroke engines.

Corvus Energy and Scandlines have cooperated on the conversion of four ro-pax ferries to hybrid propulsion.

Caterpillar Marine has begun taking orders for the US EPA Tier 4 compliant 3516C large high speed engine series.

Transporting natural gas has become big business for the shipping industry, says Dag Pike, who looks at the opportunities in compressing, rather than liquefying, gas for transport and fuel.

Paxman engines have been prominent in the larger high speed marine engine sector for many years, and the VP185 continues to attract important orders for its current proprietor, MAN Diesel & Turbo;…

Fast-connect shore power is key to operating a new all-electric ferry due to enter service next year in Norway; Cavotec’s solution is described by Dag Pike.