BV grants AiP for wind-assisted feeder design

Artist impression of the Trade Wings 2500 (Source: Bureau Veritas)

A wind-assisted container feeder design, Trade Wings 2500, has received Approval in Principle (AiP) from Bureau Veritas (BV). The 2,500-TEU vessel is based on LNG-electric propulsion with pods, and six Oceanwings® sails which can be partially retracted in port to enable efficient cargo operations.

The design is the result of collaboration between a firm of French naval architects, VPLP Design, Alwena Shipping, a consultancy specialising in ship efficiency with offices in Marseille and Shanghai, China’s Shanghai Ship Design and Research Institute (SDARI), and Ayro, the French manufacturer of Oceanwings.

The LNG power plant is based on pure gas four-stroke gensets supplied with fuel stored in tanks of GTT Mark III technology. The setup is designed for possible future upgrade to enable the adoption of new fuels such as ammonia or hydrogen, the partners said.

Although the ship is intended primarily for feeder container operations, the Trade Wings 2500 could also be deployed on longer routes. On a 4,000 nautical mile voyage across the Atlantic, for example, the Trade Wings 2500 would cut CO2-equivalent emissions by 35% compared with a conventional two-stroke, single-shaft vessel operating at the same speed, the companies claimed.

BV’s senior vice president for North Asia, Alex Gregg-Smith, commented: “Wind-assisted propulsion is a high potential solution that can contribute to the long-term decarbonisation of the marine industry. Benefiting from a coverless hatch and LNG electric pod propulsion, the design provides operational efficiency, improved efficiency, and reduced carbon emissions complying with or exceeding regulatory requirements.”

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