Propulsion

Rolls-Royce has been selected by Vigor Industrial and the Alaska Marine Highway System, part of the Alaska Department of Transportation and Public Facilities, to provide the propulsion system for its Alaska-class ferries.

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.