Why Tugboats Put a Wall Around Their Propellers // TRAIN BRAIN

Why Tugboats Put a Wall Around Their Propellers

The duct sits close to the blade tips and blocks much of the water trying to spill around them. That weakens the tip vortices and reduces energy lost to rotational flow.
It also guides and accelerates water into the propeller, so more of the engine’s available power becomes useful thrust.
#DuctedPropeller #KortNozzle #Tugboat #MarineTechnology #CasualNavigation

Casual Navigation

Your Window Into The Maritime World Casual Navigation creates content that explores many different aspects of the maritime industry, with the aim of making it fun and interesting for anyone to enjoy. We publish new videos on the Second and Last Friday o...

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