Title: SYNCHRONOUS ROLLING AND PITCHING
Author(s): Commander H. W. Dusinberre
Published in: NAVIGATION, Journal of the Institute of Navigation, Volume 4, Number 2
Pages: 83 - 85
Cite this article: Dusinberre, Commander H. W., "SYNCHRONOUS ROLLING AND PITCHING", NAVIGATION, Journal of The Institute of Navigation, Vol. 4, No. 2, 1954, pp. 83-85.
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Abstract: Sometimes in relatively good weather, a ship will pitch or roll excessively. This is caused primarily by the synchronization of the relutive period of the vessel's natural period for pitching or rolling. This objectionable movement can be corrected, usually, by simply changing course. If course is changed promptly, the builup of the synchronized movement can be checked in its early stages. This is highly desirable when carrying explosives or other dangerous cargo, or when there is a possibility of cargo shifting.