Propulsion

A new piston ring shape for two-stroke engines, featuring waved grooves that increase the surface area and are said to more evenly distribute lube oil, has been developed by Federal-Mogul Powertrain.

MAN PrimeServ is to retrofit 30 turbochargers on four vessels owned by Royal Caribbean Cruise Lines, the engine service company has revealed.

Royston Limited has completed an engine overhaul on the Bluewater-owned offshore floating production, storage and offloading (FPSO) vessel, Haewene Brim.

South Korean engine builder Doosan Engine has successfully factory tested a 103,000hp MAN B&W 11G95ME-C9.5 two-stroke engine, the most powerful MAN engine ever built.

Stena Rederi is to convert a second engine in its ground-breaking methanol fuelled ro-pax Stena Germanica, with the installation to be completed next month.

Becker Marine Systems, a leader in high-performance rudders and energy saving manoeuvring technology, is establishing itself as a competent partner on the Chinese market and now it’s looking to go even further.

Rolls-Royce has signed a contract with Huangpu Wenchong Shipyard in China for a package of advanced ship equipment to equip a new 124m long dive support vessel (DSV).

GTT, CMA CGM and DNV GL have released a technical and feasibility study for a new mega box ship – the Piston Engine Room Free Efficient Containership (PERFECt).

The first electronically-controlled, gas-injection M-type engines (ME-GI) from MAN Diesel & Turbo have entered service onboard Qatari LNG partnership Nakilat’s Q-max vessel ‘Rasheeda’.