Design
The torpedo boat was designed as a round bilge successor to the Project 183 torpedo boat. This simple torpedo boat was designed for cheap manufacture and easy maintenance. They share a common engine room with the Osa, Mol, Bogomol, and Turya classes. Constructed of duralumin, they are best used in groups inshore, in good weather, and most importantly under friendly air cover. Their defensive and EW systems are the bare minimum to engage in any type of combat.
Their torpedo armament is anti-surface only and the torpedoes are ejected by a powder charge. The torpedoes were controlled by a radar based OTA-53-206 fire control system. The 53-56 torpedoes in Warsaw Pact navies had a rudimentary anti-surface wake homing ability; the export models were the 53-56VA straight-run only variant.
Although designed to carry depth charges, they have no sonar, and the DC racks were often removed.
Read more about this topic: Shershen Class Torpedo Boat
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