History | |
---|---|
Kingdom of Italy | |
Name | Francesco Nullo |
Namesake | Francesco Nullo |
Builder | Cantieri navali del Quarnaro, Fiume |
Laid down | 9 October 1924 |
Launched | 14 November 1925 |
Completed | 15 April 1927 |
Fate | Destroyed by aircraft, 21 October 1940 |
General characteristics (as built) | |
Class and type | Sauro-class destroyer |
Displacement | |
Length | 90.16 m (295 ft 10 in) |
Beam | 9.2 m (30 ft 2 in) |
Draught | 2.9 m (9 ft 6 in) |
Installed power |
|
Propulsion | 2 shafts; 2 geared steam turbines |
Speed | 31 knots (57 km/h; 36 mph) |
Range | 2,600 nmi (4,800 km; 3,000 mi) at 14 knots (26 km/h; 16 mph) |
Complement | 154–156 |
Armament |
|
Francesco Nullo was one of four Sauro-class destroyers built for the Regia Marina (Royal Italian Navy) in the 1920s. Completed in 1927, she served in World War II.
The Sauro-class destroyers were enlarged and improved versions of the preceding Sellaclass. [1] They had an overall length of 90.16 meters (296 ft), a beam of 9.2 meters (30 ft 2 in) and a mean draft of 2.9 meters (9 ft 6 in). They displaced 1,058 metric tons (1,041 long tons ) at standard load, and 1,600 metric tons (1,570 long tons) at deep load. Their complement was 8–10 officers and 146 enlisted men. [2]
The Sauros were powered by two Parsons geared steam turbines, each driving one propeller shaft using steam supplied by three Yarrow boilers. [1] The turbines were rated at 36,000 shaft horsepower (27,000 kW ) for a speed of 31 knots (57 km/h; 36 mph) in service, [3] although Francesco Nullo reached a speed of 37 knots (69 km/h; 43 mph) from 45,000 shp (34,000 kW) during her sea trials while lightly loaded. [4] The ships carried enough fuel oil to give them a range of 2,600 nautical miles (4,800 km; 3,000 mi) at a speed of 14 knots (26 km/h; 16 mph). [1]
Their main battery consisted of four 120-millimeter (4.7 in) guns in two twin-gun turrets, one each fore and aft of the superstructure. [2] Anti-aircraft (AA) defense for the Sauro-class ships was provided by a pair of 40-millimeter (1.6 in) AA guns in single mounts amidships and a pair of 13.2-millimeter (0.52 in) machine guns. They were equipped with six 533-millimeter (21 in) torpedo tubes in two triple mounts amidships. [3] The Sauros could also carry 52 mines. [2]
Francesco Nullo was laid down by Cantieri navali del Quarnaro at their Fiume shipyard on 9 October 1924, launched on 14 November 1925 and commissioned on 15 April 1927. [1]
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