The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient. Sharrow ...

Ship propellers are a constant compromise between efficiency, vibration, cavitation, and power delivery. This video explains why adding blades can solve serious mechanical problems, and why engineers ...

Kongsberg Maritime has successfully adapted a propeller concept used in naval applications and is now offering the same operational and environmental benefits to commercial shipping customers. While ...

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 ...

A new propeller created by the Ningbo Institute of Materials Technology and Engineering (NIMTE) coated with a skin mimicking that of a dolphin holds the promise of significantly reducing fuel ...

Hamburger Hafen und Logistik AG (HHLA) loaded the biggest ship propeller in the world onto a vessel. The “HHLA IV” floating crane brought the gigantic 110-tonne object to the port of Waltershof, where ...

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 ...