Ozutsu Takeshi
Ozutsu (means "big pipe" literally) may refer to: *'' Ōzutsu''（大筒）, a 16th-century Japanese term referring to Japanese artillery *Ōzutsu Man'emon (1869–1918), sumo wrestler, the 18th Yokozuna *Ōzutsu Takeshi Ōzutsu Takeshi (born 18 April 1956 as Takakoshi Matsumoto) is a former sumo wrestler from Mie, Japan. Beginning his professional career in May 1971, he was ranked in the top ''makuuchi'' division continuously from March 1979 to January 1992, and ...

Ōdzutsu
An ōdzutsu (Japanese: 大筒, lit. "big cylinder") was a type of artillery used during the Sengoku Jidai and the early Edo period in Japan. Description The ''ōdzutsu'' was used primarily in naval and siege battles during the Sengoku Jidai for its efficiency in destroying large enemy structures. Though interpretations of ''ōdzutsu'' differ in literature, it is generally regarded as a weapon of forged iron to distinguish it from an '' ishibiya'' (a cast bronze hand cannon). Its bullets were about 20 '' maces'' (75 grams). It is fixed to a ring or a wooden frame with only the barrel and fired using a difference fire. Some have an ignition system and a stock that uses a matchlock. It was considerably more powerful than its cast bronze counterpart, and because it was forged, the risk of the barrel exploding was smaller than that of a cast gun. It could be relatively easily manufactured due to its inexpensive materials, but cannot be produced with too large a diameter due to limi ...
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Artillery Of Japan
Artillery in Japan was first used during the Sengoku period in the 16th century; and its use has continued to develop. History 13th to 17th century Due to its proximity with China, Japan had long been familiar with gunpowder. Primitive cannons seem to have appeared in Japan around 1270, as simple metal tubes invented in China and called ''Teppō'' (鉄砲 Lit. "Iron cannon"). They don't seem to have been used extensively however, and cannon usage would only become major after the arrival of the Portuguese in 1543. A few light cannon pieces were used at the Battle of Nagashino in 1575, but the first cannons entirely made by the Japanese were cast a few months after the battle. They were bronze two-pounders, about 9 feet long, and were delivered to the warlord Oda Nobunaga. The first Japanese matchlock guns were designed by the Japanese after Tanegashima Tokitaka bought two matchlock guns from Portuguese adventurers who were aboard a Chinese junk ship in Tanegashima. Within ten ...
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Ōzutsu Man'emon
was a Japanese professional sumo wrestler from Shiroishi, Miyagi Prefecture. He was the sport's 18th ''yokozuna''. Career His real name was , before changing his given name to . In sumo, he began using the ''shikona'' name in May 1884 in honour of his hometown. Ōzutsu was tall compared to other wrestlers of his time. Although he was not very strong at first, he was rapidly promoted and reached ''sekiwake'' only three tournaments after entering the top ''makuuchi'' division. He changed his ring name to Ōzutsu in 1888. His strength increased and he was promoted to '' ōzeki'' in May 1899. He had never lost any bouts as ''ōzeki'' and was awarded a ''yokozuna'' licence by the house of ''Yoshida Tsukasa'' in April 1901. In May 1902, he had the best record in the tournament with no defeats. However, his strength rapidly declined after taking part in the Russo-Japanese War. He was absent for three tournaments due to the war. However, former ''yokozuna'' Umegatani Tōtarō I had ta ...
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