Deyatelny-class destroyer

Deyatelny
Class overview
Builders	Nevsky Shipyard, Saint Petersburg
Operators	Imperial Russian Navy Red Fleet
Built	1905–1908
In commission	1907–1925
Completed	8
Lost	1
Scrapped	7
General characteristics (as built)
Type	Destroyer
Displacement	382 t (376 long tons)
Length	64 m (210 ft 0 in)
Beam	6.4 m (21 ft)
Draft	2.59 m (8 ft 6 in) (deep load)
Installed power	4 Normand boilers 6,000 ihp (4,474 kW)
Propulsion	2 shafts; 2 triple-expansion steam engines
Speed	26 knots (48 km/h; 30 mph)
Range	800–900 nmi (1,500–1,700 km; 920–1,040 mi) at 15 knots (28 km/h; 17 mph)
Complement	67
Armament	2 × single 75 mm (3 in) guns 6 × single 7.62 mm (0.30 in) machine guns 2 × single 450 mm (17.7 in) torpedo tubes 18 × mines

The Deyatelny class (Russian: Деятельный) consisted of eight destroyers built for the Imperial Russian Navy during the first decade of the 20th century. They served in the Baltic Fleet and participated in the First World War.

The Deyatelny-class ships displaced 382 metric tons (376 long tons) at normal load. They measured 64 meters (210 ft 0 in) long overall with a beam of 6.4 meters (21 ft 0 in), and a draft of 2.59 meters (8 ft 6 in). The ships were propelled by two vertical triple-expansion steam engines, each driving one propeller shaft using steam from four Normand boilers that had a working pressure of 17 kg/cm² (1,667 kPa; 242 psi). The engines were designed to produce a total of 6,000 indicated horsepower (4,500 kW) for an intended maximum speed of 26 knots (48 km/h; 30 mph). The ships normally carried 90 metric tons (89 long tons) of coal, but could carry a maximum of 110 metric tons (108 long tons). This gave them a range of 800–900 nautical miles (1,500–1,700 km; 920–1,040 mi) at 15 knots (28 km/h; 17 mph). Their crew numbered 67 officers and men.^[1]

The main armament of the Deyatelny class consisted of two 50-caliber 75-millimeter (3 in) guns, one gun on the roof of the forward conning tower and the other at the stern. They were also armed with six 7.62 mm (0.30 in) machine guns. The ships were equipped with two 450-millimeter (17.7 in) torpedo tubes in single-tube rotating mounts. These were located fore and aft of the rear searchlight platform. They could carry 18 mines.^[2]

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