A Study on Mast Installation Procedure of Japanese Wooden Vessel of Edo Era, Bezaisen

Bezaisen, a Japanese typical wooden vessel of Edo era, is characterized by its single large sail supported one set huge mast. On the installation procedure mast, some references are available such as record prepared Armand Paris who was lieutenant French navy visiting Japan in early Meiji era. But those did not cover detail to get overall picture. In this paper, studied based on calculations considering shapes, sizes, weights and center gravities mast reconstructed Bezaisen “Naniwa-maru" well construction records.