Maritime classification society Lloyd’s Register (LR) has signed a joint development project (JDP) with Shanghai Merchant Ship Design and Research Institute (SDARI) and Anemoi Marine Technologies (Anemoi) to develop a number of energy-efficient ship designs with rotor sails.

The JDP will facilitate the collaboration between original equipment manufacturer, designer, regulator, and shipowner for the commercial success of installed technology on ships.

Furthermore, the ships could also have new energy management systems, hull forms, powering arrangement, and modified operational requirements.

With the opening of the JDP to shipowners, the parties will ensure that the technology meets the market requirements, thereby providing improved support for the adaptation of the technology across a range of common vessels.

The proposed vessel types include 85,000dwt and 210,000dwt bulk carriers, a 325,000dwt very large ore carrier (VLOC), a 50,000dwt MR tanker, a very large crude carrier (VLCC) and a 114,000dwt Aframax tanker.

After issuing an Approval in Principle (AiP), LR will evaluate the designs in accordance with the latest regulatory requirements and ensure that they meet LR’s requirements.

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LR marine and offshore COO Mark Darley said: “As the need to decarbonise the shipping industry becomes more imminent, this JDP marks an important milestone in the journey that the industry is taking and further demonstrates LR’s commitment to accelerating this transition. Through this JDP we look forward to working with the key stakeholders to develop designs that will meet current and future environmental targets.”

Anemoi COO Nick Contopoulos said: “Anemoi are proud to be teaming up with industry leaders in ship design and classification to develop new energy-efficient rotor sail vessel designs for bulkers and tankers. This partnership will help owners and charterers select rotor sail technology to future-proof their vessels in line with regulatory, environmental, and commercial drivers.

“The AiP-approved rotor sail vessel designs will give owners confidence when evaluating the technology for either wind-ready or full installations. This development, coupled with our collaboration with Wartsila, will facilitate volume production and technology rollout at scale.”

SDARI chief engineer Wang Gang Yi said: “Under the ambitious IMO 2030 and 2050 targets for marine decarbonisation, as a ship designer, we are very interested in any positive research to improve ship efficiency. This JDP will give us an opportunity to cooperate with the innovation supplier and class. We will work together and hope to supply more green vessels to the shipping market and contribute to environmental protection throughout the shipping industry.”