ABB recently introduced ABB Dynafin, a new type of propulsion system that offers 'enhanced efficiency for the marine industry'. Taking inspiration from the 'dynamic motions of a whale's tail', the concept is the result of over a decade of research, development, and testing, with ABB estimating that the first prototype to be available in 2025. Juha Koskela, the division president of ABB Marine & Ports, said: "ABB Dynafin shows what is possible when marine engineers pursue radical innovation and progress, inspired by the interplay of evolution and technology. This solution is all about operational efficiency and emissions avoidance, leveraging innovations from the brightest minds in marine and propulsion engineering. I want to thank the whole team for their persistence, resilience, innovativeness, and years of hard work." The new propulsion concept features a main electric motor that powers a large wheel rotating at a moderate 30-80rev/min. Vertical blades, each controlled by an individual motor and control system, extend from the wheel. The combined motion of the wheel and blades generates propulsion and steering forces simultaneously, enabling 'groundbreaking operational efficiency and precision for ships'.
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