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 ...
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 ...
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Why ships cannot just slam on the brakes, from steam turbines to diesel engines and controllable pitch propellers
When a ship needs to stop fast, it cannot rely on brakes, only reverse thrust and precise engine control. This explains how crash stops work across steam and diesel eras, why reverse power is weaker ...
What is EGM Propulsion introducing to the commercial marine propulsion market with its modular propeller system? Wayne ...
French electric marine drive specialist BlueNav is preparing to put a more natural spin in its lineup. The all-new Whale Design propeller features blades that follow the contours of a whale to improve ...
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 ...
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 ...
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