Rising and Narrowing: 16th-Century Geometric Algorithms used to Design the Bottom of Ships in Portugal |
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Authors: | Filipe Castro |
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Institution: | Nautical Archaeology Program, Department of Anthropology, Texas A&M University College Station, TX 77843-4352 USA |
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Abstract: | Methods of designing the bottom of ship's hulls were only a small part of the process of building a frame-based ship in Portugal in the 16th and early 17th centuries, but they deserve a careful look. Using a number of geometric algorithms that were already well-known to Italian shipwrights of the 15th century, Portuguese shipwrights obtained the co-ordinates of the turn of the bilge points of the central, pre-designed, frames without the need for making drawings. © 2006 The Author |
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Keywords: | Mediterranean 16th century whole moulding ship design narrowing rising |
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