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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: 2002-04-01

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  • Marine Technology is dedicated to James Kennedy, 1867-1936, marine engineer, and longtime member of the Society, in recognition and appreciation of his sincere and generous interest in furthering the art of ship design, shipbuilding, ship operation, and related activities.

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