Propulsion

A Dutch company has developed a new, particularly compact, electric drive propulsion system, writes Dag Pike.

Traditionally, four-stroke medium speed prime movers have been used to power ships operating in the offshore support sector, either as part of a mechanical propulsion system or, as is increasingly the case,…

Towboats used on the US waterways tend to have particularly long service lives, meaning that repowering is not uncommon as original engines wear out or become obsolete, and the increased efficiency and…

It is not only in the offshore and passenger sectors that gas and dual-fuel four-stroke engines are believed to offer a viable option for future propulsion requirements.

Alongside the flourishing offshore support ship industry, the ro-ro sector has been picking up some welcome orders, which has been good news for the major four-stroke engine companies.

All sectors of the maritime market are concentrating on cutting costs and regulatory compliance, and even markets such as naval vessels, largely coming outside MARPOL jurisdiction, are showing a desire to be…

A composite propeller for smaller ships has been launched by UK-based Axiom Propellers. The Axiom propeller’s composite construction is design primarily to save fuel and increase efficiency, through its light weight and…

Volvo Penta of Sweden reports that its propulsion and genset engines are used onboard the ‘MTS Duandra’, described as the first semi-hybrid inland waterway tanker.

Augmenting a remarkably broad portfolio of machinery for both marine applications and stationary power generation plant, Niigata Power Systems has developed two new, medium-speed gas-burning engines in the spark ignition (SI) and…