Naval Group manufactured a new-generation propeller via a metal 3D printing process, mounted on a tripartite minehunter.This propeller is 2.5-m in diameter, supported by five 200-kg blades. The ...

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 ...

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 ...

Modern international trade is only possible because of our fleets of seafaring cargo ships. And as these gigantic vessels continue to grow to meet the increasing demands of a rapidly globalizing ...

Controllable, or Variable Pitch Propellers are just one type of propulsion used on ships. Controllable pitch propellers vary ...

In this video, we follow the astonishing real story of how USS Missouri ran aground outside Norfolk and the two-week rescue ...

SAN DIEGO (KGTV) -- A cruise ship in need of repair will be in San Diego for an additional day after passengers say it received some sort of damage to its propeller. Passengers say the ship's ...

They can weigh up to 150 tons, and it's not uncommon for them to measure nine meters or more in diameter: the ship propellers on huge tankers, container ships and cruise liners are invisible giants.

GULF OF THE FARALLONES NATIONAL MARINE SANCTUARY — As the 45-foot-white catamaran “Kitty Kat” bobbed in the ocean near the Farallon Islands last month, Jackie Dragon dropped a hydrophone overboard to ...

Researchers at MIT have demonstrated that wedge-shaped vortex generators attached to a ship's hull can reduce drag by up to 7 ...