Type 53 torpedo
Type 53 is the common name for a family of 53 cm torpedo
The modern torpedo is a self-propelled missile weapon with an explosive warhead, launched above or below the water surface, propelled underwater towards a target, and designed to detonate either on contact with it or in proximity to it.The term torpedo was originally employed for...

es manufactured in Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, starting with the 53-27 torpedo and continuing to the modern UGST.

With the exception of the UGST which uses Mark 48 style monopropellants, Soviet 53 cm torpedoes generally use electric power, or kerosene mixed with various oxidizers for propulsion. Russian torpedoes are often named descriptively for their characteristics - examples include "acoustic homing" or "electric torpedo", all in Russian acronyms.

The first Soviet torpedo with homing capability was the SAET-50. The 53-61 was the first Soviet homing torpedo to exceed 40 knots.

The Chinese have either copied or reverse engineered several Soviet 53 cm torpedoes, though sources dispute exactly what was copied. For example, the Yu-1
Yu-1 torpedo
Yu-1 torpedo was the first Chinese built steam powered torpedo, it was a development of the unguided straight-running Soviet ASuW Type 53 torpedo. It was type classified in September 1971. The Yu-1 was actually the second domestically produced torpedo to enter Chinese service, the first was the...

 is a non-homing weapon copied from either the 53-38 or the 53-51. The Yu-3
Yu-3 torpedo
The Yu-3 is a Chinese acoustic homing torpedo designed to be fired from submarines against surface targets. It entered service with the Chinese Navy in 1984. Several sources state that it may be a copy of the Soviet SET-65E, although this seems unlikely as development began in 1965 after the...

 is considered a copy of the SET-65.

The Type 53 torpedo is carried by almost all Russian submarines, including the Kilo class
Kilo class submarine
The Kilo class is the NATO reporting name for a naval diesel-electric submarine that is made in Russia. The original version of the vessels were designated Project 877 Paltus in Russia. There is also a more advanced version, designated as Improved Kilo in the west, and Project 636 Varshavyanka in...

 and the Akula class
Akula class submarine
Project 971 Щука-Б , is a nuclear-powered attack submarine first deployed by the Soviet Navy in 1986...


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