| Category. | Data. |
|---|---|
| Type. | Conventional Cold War torpedo. |
| Nationality. | Chinese. |
| Made in. | planned for 1964, initial trials in 1969, 1972 and 1974; test model 1977 and officially made in 1983. |
| Retired. | Still in use. |
| Designer. | Yunnan National Defense Office. |
| Manufacturer. | Yunnan National Defense Office, Acoustic Research Institute of the Chinese Academy of Science and 705th Institute; and the Dawn Machinery Factory (Shuguan Jixie Chang, 曙光机械厂) of the Yunnan 6th Machinery Bureau. |
| Variants. | 4, a ASuW and a ASW torpedo, plus their exports versions. |
| Diameter. | 533 mm. |
| Speed. | 35 kt. |
| Warhead. | 205kg of N\A conventional explosives. |
| Operational range. | 13 km. |
| Guidance system. | Active/passive acoustic homing. |
| Launch platform. | Submarines. |
| Weight. | N\A, but probably akin to similar ones of the same role, configuration and era. |
| Sources. | https://images.search.yahoo.com/search/images;_ylt=AwrBT9f_w29Y5IgABS5XNyoA;_ylu=X3oDMTEyNGQ0dWk3BGNvbG8DYmYxBHBvcwMxBHZ0aWQDQjMwMDlfMQRzZWMDc2M-?p=Yu-3+Torpedo&fr=yset_chr_cnewtab, https://en.wikipedia.org/wiki/Yu-3_torpedo, http://www.wikiwand.com/en/Yu-3_torpedo, http://www.digplanet.com/wiki/Yu-3_torpedo and http://military.wikia.com/wiki/Yu-3_torpedo. |
There are several sources that state that it may be a copy of the Soviet SET-65E, although this seems unlikely given the political climate, as development began in 1965 and thus just after the Sino-Soviet split had occurred.