A Study on the Effects of Weight and Center of Gravity of a Planing Craft on Running Attitude

활주선의 하중 및 무게 중심 위치 변화가 항주 자세에 미치는 영향에 대한 연구

  • Published : 2009.06.20


Motion characteristics of a planing craft are sensitively changed according to its weight and longitudinal center of gravity. In this paper, planing craft model tests were performed in calm water for various test conditions and Froude numbers. Sinkage and trim were measured to analyze the relations between the attitudes of a planing craft and the weight and center of gravity of it. Theoretical formula for the prediction of the attitudes of a prismatic planing hull was modified so that it can be applied to the prediction of the attitudes of a non-prismatic planing hull, and the calculation results by the modified formula were in good agreements with the experimental data.


Planing craft;High-speed towing test;Weight and Center of Gravity;Running attitude


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