It is necessary in the design of any ship to compromise between the conflicting requirements of directional stability and manoeuvrability. Thus the less stable a ship is, the more readily it can be turned by a given rudder. This paper is concerned with a rational assessment of these requirements and the associated design of an effective rudder.
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References
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PershitsR. Y.YudinE. B. ‘Choice of stern counter and rudder area with the use of the second critical point of the curve of controllability’, Sudostroyeniye1960 (No. 6).
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VoitkunskyY. I.PershitsR. Y.TitovI. A. ‘Reference book on ship theory’, Sudpromgiz1960.
