Marine Propulsion & Auxiliary Machinery

Articles & News sourced from RMM journals and websites

Gains claimed for  technology combination
Gains claimed for technology combination
Marine Propulsion & Auxiliary Machinery February/March 2014
Combining propeller technologies from more than one company can yield savings, believe researchers at the government-backed VTT Technical Research Centre of Finland. They investigated the potential ...
NPT screws gain popularity
NPT screws gain popularity
Marine Propulsion & Auxiliary Machinery February/March 2014
Stone Marine Propulsion has made some impressive claims for its New Profile Technology (NPT) propeller, which it introduced in 2011 at the Marine Propulsion conference that year. It now has about 120 ...
Kappel prop will save fuel
Kappel prop will save fuel
Marine Propulsion & Auxiliary Machinery February/March 2014
A 105,000 dwt tanker is expected to reduce its fuel bill by 4 per cent thanks to a new propeller. The Great Eastern Shipping Co’s 10-year-old Jag Lavanya has been fitted with a Kappel ...
Icegoing ferry features stainless CRPs
Icegoing ferry features stainless CRPs
Marine Propulsion & Auxiliary Machinery February/March 2014
Dutch specialist Van Voorden Castings of Zaltbommel recently completed a project calling for the delivery of four large stainless steel propellers. With diameters of 2.9m and 3.5m and a combined ...
Large propeller shows promise in Streamline project
Large propeller shows promise in Streamline project
Marine Propulsion & Auxiliary Machinery February/March 2014
Due to conclude in April 2014, the EU-funded Strategic Research for Innovative Marine Propulsion Concepts, or ‘Streamline’, programme has sought ways of improving propulsive efficiency. ...
Calculating cost-effective damping solutions
Calculating cost-effective damping solutions
Marine Propulsion & Auxiliary Machinery February/March 2014
Viscous dampers from Metaldyne International secure torsional vibration damping by the shearing effect of a highly viscous silicone fluid enclosed between an inner ring and outer casing. The damper ...
Long-life seal operates with EALs
Long-life seal operates with EALs
Marine Propulsion & Auxiliary Machinery February/March 2014
A new Bio Seal Ring from Wärtsilä for sterntube seal applications is claimed to be the first on the market to operate with Environmentally Acceptable Lubricants (EALs), also known as ...
Crosshead bearing design meets new challenges
Crosshead bearing design meets new challenges
Marine Propulsion & Auxiliary Machinery February/March 2014
New approaches to bearing materials, bearing design and production methods for low speed engines are driven by higher firing pressures. Bearings need to be engineered to balance load capability with ...
Kop-Flex dampens high torque loads
Kop-Flex dampens high torque loads
Marine Propulsion & Auxiliary Machinery February/March 2014
A new solution for managing torsional vibration in high performance drivetrains powered by synchronous motors, variable frequency drives and diesel engines is offered by the Kop-Flex MAX-C WB ...
Geislinger expands portfolio and production centres
Geislinger expands portfolio and production centres
Marine Propulsion & Auxiliary Machinery February/March 2014
Austrian torsional vibration damper and elastic coupling specialist Geislinger has drawn on over 50 years’ experience in refining its portfolio. The popular Geislinger coupling features groups ...
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