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Estimating Hydrodynamic Force and Torque Acting on a Horn-Type Rudder

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The purpose of this paper is to provide the naval architect with a practical methodw of estimating hydrodynamic force and torque acting on a horn-type rudder. Such a rudder is also known as a Mariner, semibalanced underhung rudder or skeg-rudder. Input required to carry out the estimate is explained and the reliability of the estimate is discussed by comparison with model test predictions. A spreadsheet, named H-Rudder program, is provided to carry out the estimate.


Document Type: Research Article

Publication date: April 1, 2002

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