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Concept
Yastreb-class guard ship
Summary
The Yastreb-class guard ships were built for the Soviet Navy as small patrol and escort ships. Fifteen out of twenty planned ships were laid down before the start of Operation Barbarossa, but only one was completed during World War II. Five others were completed after the war, but five were scrapped on the stocks at Nikolayev when it was captured by the Germans in late 1941, four were scrapped by the Soviets at Leningrad and five were cancelled before they were laid down. The postwar ships were completed to a modified design as Project 29K. One of these was transferred to the NKVD. The last of the ships was scrapped in 1975.
The Yastreb-class guard ships were designed to replace the unsatisfactory that preceded them. The Uragans had proven to be too small for the weight of their armament, too slow, and had poor seakeeping capabilities due to their excessive top-weight. Despite being almost twice the displacement of the older ships, the Yastreb were equipped with only one additional main gun. This was done to minimize the stability problems experienced by their predecessors.
The Project 29 ships were longer than their predecessors, at overall. They had a beam of and at full load a draft of . They were significantly heavier than the Uragan class; the Yastreb-class ships displaced at a standard load, and at full load, nearly twice the at standard load of the earlier ships. The Project 29K ships had a deeper draft of at full load and they were slightly heavier than their half-sister; they displaced at a standard load, and at full load. Their crew increased to 127 men, an increase of 15 men over Yastreb.
The intended main armament was three single B-34 guns, protected by gun shields, although some ships reportedly substituted three of the naval version of the 52-K anti-aircraft guns. Four AA machine guns were also carried. The underwater armament consisted of one triple torpedo tube mount, fitted between the funnels, and up to 40 mines.
Yastreb had 2-shaft geared steam turbines producing that propelled her to .
Official source
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