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Archaeological evidence of bulkhead partitions has been found on a 24 m (78 ft) long Song dynasty ship dredged from the waters off the southern coast of China in 1973, the hull of the ship divided into twelve walled compartmental sections built watertight, dated to about 1277. [3] [4]
Bulkhead partition: The 5th century book Garden of Strange Things by Liu Jingshu mentioned that a ship could allow water to enter the bottom without sinking, and the Song dynasty author Zhu Yu (fl. 12th century) wrote in his book of 1119 that the hulls of Chinese ships had a bulkhead build; these pieces of literary evidence for bulkhead ...
Junks in Guangzhou, photograph c. 1880 by Lai Afong. A junk (Chinese: 船; pinyin: chuán) is a type of Chinese sailing ship characterized by a central rudder, an overhanging flat transom, watertight bulkheads, and a flat-bottomed design.
A ship will sink if the transverse bulkheads are so far apart that flooding a single compartment would consume all the ship's reserve buoyancy. Aside from the possible protection of machinery, or areas most susceptible to damage, such a ship would be no better than a ship without watertight subdivision, and is called a one-compartment ship .
A Chinese trade ship dated to 1277 AD was found off the southern coast of China in 1973, and had 12 bulkhead compartment rooms in its hull. - Athaler ( talk ) 16:59, 3 September 2009 (UTC) [ reply ] Cable discussion seems extraneous
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