SCHOTTEL Secures Propulsion Concept Contract for Four New OCVs

The Chinese Wuchang Shipbuilding Industry Group has chosen SCHOTTEL for a comprehensive propulsion concept for four new OCVs. (Image credit: SCHOTTEL)
The Chinese Wuchang Shipbuilding Industry Group has chosen SCHOTTEL for a comprehensive propulsion concept for four new offshore construction vessels (OCVs). The 100-meter long vessels have been designed by Norway's Salt Ship Design under the name Salt 308 OCV.

The propulsion system requirements are very specific due to the need to operate offshore at depths of up to 3,000 meters in complex sea conditions. The customer for the vessels, an undisclosed first-class European owner, will operate them in the traditional oil and gas industry as well as in the renewable energy industry such as wind power.

“We would like to thank all project partners for the confidence they have placed in SCHOTTEL to equip this series of OCVs with our thrusters,” says Roland Schwandt, Deputy CEO of SCHOTTEL. “The propulsion package of five thrusters per vessel will provide the future operator with the very best technology available on the market for dynamic positioning in heavy duty offshore applications.”

Order Volume Per Vessel

  • 2x SCHOTTEL Dynamic RudderPropellers type SRP 610 DL
    The SCHOTTEL Dynamic RudderPropeller (SRP-D) played a convincing role as an essential means for dynamic positioning in the complete package. In addition to significantly increased propeller acceleration/deceleration and a high-speed azimuth steering system, the ordered azimuth thrusters additionally feature a compact design with an integrated prime mover (“Embedded L-Drive”) and an eight-degree tilted propeller shaft, resulting in less thruster-thruster and thruster-hull interaction. Each vessel will be equipped with two SRP 610 DL with a propeller diameter of 3,200 mm and an input power of 2,700 kW.
  • 1x SCHOTTEL Retractable RudderPropeller type SRP-R 380 L
    The main propulsion will be supplemented by one retractable rudder propeller type SRP-R 380 in the bow of the vessel with a propeller diameter of 2,200 mm and an input power of 1,500 kW, equivalent to the SRP-D mentioned above, driven by an integrated electric prime mover. The thruster, which is based on SCHOTTEL’s proven RudderPropeller technology, will be equipped with an 8-degree tilted propeller shaft for increased propulsion efficiency.
  • 2x SCHOTTEL TransverseThrusters type STT 6
    Two additional transverse thrusters in the bow with an input power of 2,050 kW provide even greater maneuverability during dynamic positioning. The propellers will have a diameter of 2,740 mm. To enhance the comfort of the crew, both SCHOTTEL STT 6s will be elastically mounted.

The new design Salt 308 OCV shows a length of 100 meters, a beam of 23 meters, a draught of 6.5 meters and a deck area of 1,150 square meters. It will be prepared for operation on alternative fuels. The first vessel is expected to be delivered in late 2026.

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