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

RMS Lusitania was a record-breaking ocean liner plagued by a surprisingly modern engineering problem: propeller-induced ...

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 ...

Combination of carbon, glass and epoxy resin produces a strong replacement for nickel/aluminum/bronze metal, the current propeller standard. Damage-tolerant reinforcing fabric strengthens highly ...

Wärtsilä introduced the FPP Opti Design, a new fixed pitch propeller (FPP) design concept. According to Wärtsilä, the new design offers fuel savings of up to 4 percent and highly reliable full scale ...

QinetiQ has recently completed sea trials of a new composite propeller in Falmouth Bay, UK. With a 2.9 metre diameter it is the world’s largest propeller. However, despite its immense proportions it ...

Could the secret to transforming propeller design lie in the dimples of a golf ball? It might sound far-fetched, but the same aerodynamic principles that allow a golf ball to soar farther and faster ...

France’s Loiretech, a designer and manufacturer of tooling for large and complex thermoplastic and thermoset composite parts, has partnered with the French Defence Procurement Agency (DGA), Mecafrance ...

The Kiel University of Applied Sciences (HAW Kiel) has started a research project dedicated to a problem that research has been grappling with for almost 20 years: the low-frequency underwater sound ...