Some measuremental studies on the hull types of temmas in the Omura Bay were made with 27 construction-diagrams and, for comparison, 12 diagrams in other coasts. Some statistical reviw resulted in the following findings: i) For the temmas in the Omura Bay, B/L and the inclination of the stem are rather small and D/L is rather large, compared with the temmas in the other coasts. ii) In the transverse section, the subtended angle between the stern part of the keel plating, which is called tomogawara, and the base line is rather large, and the inclining angle of the side plating is rather small. iii) As a result of discriminant analysis, it was indicated that the hull types of temmas are clearly different by designer and by use.
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