Propulsion

Wärtsilä’s long-anticipated dual-fuel two-stroke engine has now been introduced to the market; we saw the first example in operation at the company’s Trieste plant in Italy.

Hans Jensen Lubricators (HJL) of Denmark says that its SIP valves can improve overall efficiency, and help towards implementing a vessel’s SEEMP.

The number of options for harnessing wind power on cargo ships is growing, and Wendy Laursen looks at some current studies being undertaken to quantify the potential savings for those willing to…

Gas turbines, after a quiet period, could be making a return to ship propulsion, according to Jeremy W Barnes, commercial marine marketing director of GE Marine.

David Tinsley explains how, In the unerring drive to expand the market reach of its home-grown HiMSEN range of four-stroke engines, Hyundai Heavy Industries (HHI) is preparing to launch the H46/60V diesel,…

David Tinsley looks at the MaK dual fuel engine range, the first of which has now been shipped by the Caterpillar corporation for installation in a newbuild cruise vessel.

David Tinsley explains how China’s increasing technological capabilities are being leveraged to develop and manufacture home-grown engines using localised components and tailored to and priced for the domestic market, complementing volume production…

ABC launched its latest four-stroke marine engine at SMM in 2012, and used the recent CIMAC Congress in Shanghai to update its customers, reports David Tinsley.

With the European marine engine research project Hercules well into its third phase, David Tinsley looks at how it can achieve its goals of near-zero emissions and further significant drops in fuel…

Caterpillar has made the larger MaK range of medium speed engines available in the US with EPA Tier 2 Certification.

A growing number of scrubber technologies are gaining industry experience, but hybrid systems are providing a safe option for dealing with the current regulatory uncertainties, writes Wendy Laursen

Birger Jacobsen, senior two-stroke research engineer at MAN Diesel & Turbo in Copenhagen looks at how the latest propulsion technology can reduce carbon emissions, resulting in a favourable EEDI rating, for tankers…

MTU says that its series 8000 high speed marine engine has received NVR certification from US classification society ABS, joining the 8V 396, which had previously received NVR approval.

Following from perceived development in the market leading toward further optimisation of large container ships’ propulsion efficiency, MAN Diesel & Turbo recently announced two significant additions to its engine programme.

Paul Brickman, sales and marketing manager of Crestchic, looks at optimisation of testing for power generation in shipbuilding applications.

According to MTU, there are still well over 200,000 sea mines at the bottom of the Baltic sea. Although often lying several hundred metres below the surface, they can potentially have a…

Volvo Penta has announced a new version of its D13 engine, claiming improved environmental properties with basically unchanged fuel consumption, in order to meet US EPA Tier 3 emission limits.

According to Wendy Laursen, fuel availability will be a key factor in the success of fuel cells for ocean-going vessels.

Eidesvik Offshore’s supply vessel Viking Lady now has a battery on board in preparation for testing fuel savings, emissions reductions and the future potential of operating in DP mode using just a…

Cummins has picked up some useful references for its larger high-speed diesels from applications that normally represent solid medium-speed territory, writes Alan Haig-Brown.

GE Marine’s Evendale, Ohio, facility is currently busy building four LM2500 aero-derivative gas turbines for delivery to Austal USA. The engines will power the next two Independence class Littoral Combat Ships (LCS),…

Wärtsilä has announced an order for propulsion systems for six new offshore pipe laying vessels being built by Dutch company IHC Merwede.