SCHOTTEL Unveils New Thruster for Submarines and Underwater Vehicles

German propulsion specialist SCHOTTEL has introduced a new submersible auxiliary thruster designed to improve maneuverability and positioning accuracy for crewed and uncrewed underwater vehicles, including submarines.

The SCHOTTEL PumpJet Submersible SPJ-S provides continuously adjustable thrust through 360 degrees and is designed for civil and military underwater operations, including deepwater missions and maneuvering in confined spaces.

The electrically driven system uses an impeller without a gearbox, enabling low-noise operation, while a pressure compensation system equalizes hydrostatic pressure at the seals to support operations at greater depths.

Unlike retractable auxiliary propulsion systems, the SPJ-S provides immediate thrust without requiring deployment before use.

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