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The Layout and description of the Corsair RS-1 Diesel Electric Submarine

The U.S. Corsair - Lloyds Certified and SOLAS Compliant - is a reliable and economical sub-sea Intervention vessel, engineered for coastal water through continental shelf research, commercial and naval applications. It's Diesel / Electric Power configuration allows for rapid independent transits, superior submerged autonomy with large area coverage capabilities.  

The fully zinc galvanized, high tensile strength steel pressure hull consists of three sections bolted together. The forward section is conical shaped with a hemispherical panoramic viewport installed in the bow. A cylindrical trunk located in the sail provides ingress and egress between topside and the forward compartment. The upper section of the trunk serves as an auxiliary surface conning station or as an additional viewport during submerged operations. Crew accommodations and a portion of the Next Generation Submarine Batteries are also located in this compartment.

Beyond the first bulkhead are the head and engineering spaces. This section houses the diesel engine, electric motor and generator, rotary converters, electrical distribution cabinets, various pumps as well as ballast and trim tanks. In the conventional propulsion mode, the submarine system consists of a diesel engine driving an electric motor / generator via a clutch and a hydraulic pumping aggregate. The main screw is positioned along the vessel's centerline. Normal transits are steered conventionally by rudders and dive planes. For maximum maneuverability at or near zero speed, the submarine is fitted with bow, stern and vertical lift thrusters. The latter, when not in use are retracted into the sail, forming a hydrodynamic shape. Folded out and downwards, the thrusters are unobstructed by the hull and allow for pinpoint maneuverability in 3 dimensions.

The Hard Ballast System consists of three internal tanks, and is used for adjusting the vessels buoyancy. The ballast system is gravity filled and emptied by drain pumps with back up systems. The Main Ballast tanks are formed into the exostructure and streamlined fairings. This system is used to achieve reserve buoyancy on the surface and is blown using HP air. Life support systems are comprised of three 50-liter O2 bottles with dosage valves and monitoring systems for O2, H2 and CO2. CO2 scrubbers utilizing SodaSorb® are installed in appropriate locations throughout the submarine.

The Diesel Engine has sufficient power to allow for rapid surface transits and charging of the batteries simultaneously. The submarine can be operated during unpleasant weather in the snorkel mode, with only the air intake and periscope (Radar, Radio, GPS and Camera Systems) above the surface plane. The vessel has sufficient battery reserves to allow for long distance transits while totally submerged, minimizing weather related down time. Contact Kokes Marine Technologies for details on the Argon Closed Cycle Diesel Power Plant.

Features of particular interest:

  • Transport 4 (Scientists / Technicians / Engineers of your choice) and 2 Crew Members
  • Spacious and Comfortable Interior
  • 1.1 Meter Diameter Forward Facing Hemispherical View Port
  • 1000 foot (300 meters) Operational Depth (Deeper surveys and on-board ROV options available)
  • 400+ Nautical Mile Surface Range at 8 Knots
  • Two, Six-Function Hydraulic Manipulator Arms
  • Accurate, Fully Integrated HyPack® Sensor Suite*
  • Computerized Multi-Frequency Side Scan Sonar System (Sub-Bottom Profiler Option Available)
  • Computerized Forward Imaging Sector Scan Sonar System
  • Two High Resolution Digital Video Cameras and Recording System
  • Both submarines can be custom fitted to your project's specific needs.

    Please call us at (732) 730-1500 for exact endurance and capability specifications.

* The RS-1 uses HyPack® Software and Inertial Navigation Systems with Ring Laser Gyro to meet exacting survey standards.