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Type 030 submarine
Type 030 submarine was a mini submarine developed by the People's Liberation Army Navy (PLAN) in the mid 1960s, and only a single unit was built. However, before the first unit could be completed, the program was cancelled in the early 1970s, and the unfinished hull was scrapped.〔(【引用サイトリンク】 title=Type 030 submarine )〕
After Sino-Soviet split, China realized its navy, PLAN, was no match for the Soviet navy, and in the event of Soviet invasion, PLAN has to withdraw to coastal waters and even inland waterways to fight a guerrilla warfare against the much stronger opponent,〔〔(【引用サイトリンク】 title=Background of Type 030 )〕 so smaller submarines such as mini or midget subs are much more suited for fighting the underwater guerrilla war. In addition, smaller subs were also able to be mass-produced.〔〔(【引用サイトリンク】 title=Origin of Type 030 )〕 In 1964, the deputy commander-in-chief of PLAN, Vice admiral Zhao Qi-Min (赵启民) formally issued the order to develop a mini/midget submarine, and the 701st Research Institute of China Shipbuilding Industry Corporation (CSIC) was tasked to issue the requirement, which eventually named as Type 030 in 1965 when the winning design was selected from several proposals.〔〔
Because the mini/midget sub was intended to operate in riverine and coastal region, the speed requirement is only 12 kt max, and hence propulsion requirement of the boat only rated at 320 kW.〔(【引用サイトリンク】 title=Propulsion of Type 030 )〕 The general designer of Type 030 was Mr. Li Jian-Qiu (李建球), the general designer of Type 033G/G1.〔〔(【引用サイトリンク】 title=General designer of Type 030 )〕 However, due to the unrealistic requirement of packing large amount of equipment and weaponry into a very small hull, the internal space is very cramped and production had to be stopped several time for redesign.〔〔 As a result, production was protracted, with the first boat was still not completed in the early 1970s after construction begun in June 1968, and as PLAN changed its doctrine in the early 1970s, midget or mini submarine was no longer a priority, and in 1973, the program was finally cancelled by PLAN, and with the successful development of larger Type 033 and Type 035, the unfinished first unit was broken up and scrapped.〔〔(【引用サイトリンク】 title=Cancellation of Type 030 )〕 The electric motor of Type 030 was kept at the PLAN Naval Engineering University for exhibition.〔〔(【引用サイトリンク】 title=Electric motor of Type 030 )〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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