The Grote Stern, a patrol vessel built by Damen Shipyards ... and rudders are installed in special tunnels to achieve a high propulsion efficiency. These tunnels have a positive influence in ...

Portuguese Navy's new Multi-Purpose Support Ship (Credit: Damen) SCHOTTEL EcoPeller (SRE) (Credit: Schottel) SCHOTTEL TransverseThruster STT (Credit: Shottel) Schottel has been awarded a contract ...