The market demands for larger freight volumes are pushing the LNG industry towards larger vessels, new concepts and new technical solutions. Alternative machinery installations are being investigated including one steam turbine, one/two slow speed diesel(s), one/two dual fuel engine(s), one/two gas turbine(s) and one/two diesel electric installation(s). Twin skeg is one alternative propulsion solution for larger LNG ships. In this paper, operational analysis, manoeuvrability, risk assessment and performance of the LNG twin skeg concept will be discussed.

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