News

SCHOTTEL has secured a major contract to supply two EcoPeller SRE 560 and one TransverseThruster STT 3 FP for a Multi-Purpose Support Ship (MPSS) for the Portuguese Navy. The ship, designed for modern defense and security operations, is being developed by the Dutch Damen Shipyards Group based on a new concept tailored to the specific requirements of the Portuguese Navy.

The state-of-the-art vessel, to be named “NRP Dom João II”, will be capable of deploying unmanned drones and helicopters. In addition to maritime safety and naval support operations, its primary tasks will include oceanic research, search and rescue, and emergency relief.

SCHOTTEL Propulsion Package

For its main propulsion, SCHOTTEL will provide two electrically powered EcoPeller SRE 560 azimuth thrusters, each with an input power of 2,600 kW. The L-Drive variant (“embedded L-Drive”) reduces the installation height, eliminates the upper gearbox, and minimizes mechanical losses. To enhance maneuverability and DP capabilities, the vessel will also be equipped with a SCHOTTEL TransverseThruster STT 3 FP (800 kW). With this configuration, the 107-meter-long and 20-meter-wide ship will reach a top speed of 15.5 knots. The propulsion system is designed for low underwater noise emissions, ensuring compliance with DNV ‘Silent A’ class noise standards at a light survey speed of 10 knots.

Highly Efficient, Sustainable, and Versatile

Thanks to its optimized hydrodynamic design, the SCHOTTEL EcoPeller generates maximum steering forces, ensuring top efficiency and superior course-keeping ability. The powerful combination of thrust and lateral force makes it an ideal propulsion solution for high-performance vessels.

LeaCon Seal Monitoring System

Both SRE and STT thrusters will be equipped with the SCHOTTEL LeaCon system, a DNV-certified seal monitoring technology that prevents seawater contamination from lubrication oil. Separate seals to the seawater and gearbox side ensure that both incoming seawater and escaping gear oil are collected in an intermediate chamber. The system monitors seal condition, detects operational wear early, and prevents unscheduled maintenance, ensuring compliance with strict environmental regulations.

Oceanic Research and Naval Support

The MPSS will be outfitted with laboratories and accommodations for scientific staff, enabling advanced oceanic research. For naval support, the ship will feature:

• A stern ramp for UUVs (Unmanned Underwater Vehicles) and USVs (Unmanned Surface Vehicles).

• A 94×11-meter flight deck and hangars for UAVs (Unmanned Aerial Vehicles).

Currently under construction by Damen Shipyards Group in Galați, Romania, the NRP Dom João II is scheduled for delivery in 2026.

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