The number of blades on a ship's propeller isn't arbitrary — it's a carefully balanced compromise between power, efficiency, ...

The CLT propeller recently underwent real-world testing, which proved, according to its designer and manufacturer that the propeller can help to reduce or eliminate hull-induced vibrations and noise ...

Finnish engineering firm, Wärtsilä, has successfully collaborated with marine engineering researchers at City University London to identify the specific design parameters creating the risk of 'singing ...

A Norwegian invention is reducing by a third the energy that foundries need to manufacture ship propeller blades. Some of the propeller blades manufactured by Oshaug Metall AS in Molde are so big that ...

As cruise operators face growing scrutiny around emissions and Underwater radiated noise (or noise performance), propulsion ...

PORT TOWNSEND — The newly constructed MV Chetzemoka ferry could be in service on the Port Townsend-Whidbey route in October, the state ferries system said Thursday. A problem with excessive propeller ...

Subscribe to our newsletter for the latest sci-tech news updates. SINTEF has now designed and manufactured new measuring equipment for model testing of contra-rotating propellers. This could be good ...