Prediction of Resistance and Power Requirements for a 72-Meter Landing Craft Tank (LCT) Vessel

Abstract

This study aims to predict the resistance and power requirements of the 72-meter Landing Craft Tank (LCT) Montana using the empirical Holtrop method. The Holtrop method is widely used for estimating ship resistance in calm water conditions and has proven to be effective in providing accurate predictions. The findings of the study indicate that the total resistance (RT) of the 72-meter LCT at a maximum service speed of 12.6 knots is 344.6 kN. The corresponding power requirement is calculated to be 2977.971 kW, which is approximately 3993.524 horsepower (HP). To meet this power demand, the selected main engine is the YANMAR 6EY26W, which is rated at 2 x 1620 kW. These results offer valuable insights for the design and development of the 72-meter LCT, particularly in terms of optimizing operational efficiency and ensuring appropriate engine selection. By understanding the resistance and power needs, shipbuilders can enhance the vessel’s performance and fuel efficiency. Additionally, the findings can serve as a reference for improving future designs of similar vessels, thereby contributing to more efficient maritime operations. This research highlights the importance of accurate predictions in the ship design process, helping to ensure that performance expectations are met while also contributing to cost-effective and energy-efficient solutions in naval architecture.