Damen Marine Components System / Package
Silent Bulb
Rudder-mounted propeller bulb that improves the wake field, increases thrust and reduces cavitation; fuel savings up to 1.5%, for full-spade rudders on vessels from 14 knots.
Description
The Silent Bulb from Damen Marine Components is an energy saving device mounted on the rudder on the propeller centreline. It reduces flow losses from the propeller, increasing thrust at high loads and reducing the risk of cavitation on the rudder.
Key features
- Fuel savings up to 1.5%; amortisation under 1 year
- Increased thrust at high loads; reduced cavitation and noise; longer rudder life
- Optional Rudder Fins mounted on the bulb to further reduce propeller flow losses
- Suitable for all full-spade rudder types, newbuild and retrofit
Applications
Seagoing vessels with full-spade or semi-spade rudders, speeds of 14 knots upwards, large propeller hubs and high thrust loads.
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