Propulsion

MAN Diesel & Turbo has carried out the first testbed run of its prototype two-stage turbocharger - a single unit comprising its existing TCR20 and TCX17 turbochargers - at the company’s factory…

The NektonDrive low voltage variable speed drive from power and automation group ABB aims to help vessels use electrical power more efficiently and to lower environmental impact.

Wärtsilä has launched a new medium-speed engine that it claims reaches a previously unimaginable level of fuel efficiency – with consumption as low as 165g/kWh in the diesel version of the Wärtsilä…

Norsepower has reported successful sea trials of its rotor sail wind propulsion technology onboard a ship operated by Bore, with results verified by NAPA and the VTT Technical Research Centre of Finland.

Wärtsilä has developed propulsion systems capable of operating with Environmentally Acceptable Lubricants (EALs) to comply with the US Vessel General Permit 2013 (VGP-2013) for all vessels operating in US waters.

A suite of small cruise ship concepts released by Rolls-Royce last month aim to help shipyards and operators find efficiencies while showcasing the company’s ability to provide turnkey system solutions. Gavin Lipsith…

With the latest line extension in its successful range of gearless thrusters, ABB has sought to combine proven technologies with a very modern focus on energy efficiency and lifecycle cost. Gavin Lipsith…

The world’s first 45-centimetre bore, ultra-long stroke, low-speed engine, MAN B&W 5G45ME-C9.5, has passed its type approval test.

MAN Diesel & Turbo’s new L35/44DF four-stroke engine has been approved by all major classification societies for genset and controllable pitch propeller operation, after type approval tests between 30 March and 2…

A new permanent magnet (PM) azimuth thruster from Rolls-Royce is undergoing sea trials onboard the Norwegian University of Science and Technology’s research vessel ‘Gunnerus’. The Motorship was among press on a recent…

Carnival Corp is to adopt Wärtsilä’s asset performance optimisiation solution across its fleet under a new partnership that will allow the power and automation company to test new technologies on the cruise…

The prospect of the oil-free ship is looking much nearer with the entry into service of all-electric ferry Ampere, developed by Siemens, builder Fjellstrand and operator Norled. Bill Thomson reports.

Wärtsilä’s four-stroke 50DF engine has been certified to run on liquid ethane gas (LEG) fuel after a successful testing programme in collaboration with petrochemical and gas shipping company Evergas.