Italian submarine Marcantonio Colonna
Submarine of the Italian Royal Navy From Wikipedia, the free encyclopedia
Submarine of the Italian Royal Navy From Wikipedia, the free encyclopedia
Marcantonio Colonna was one of four Pisani-class submarines built for the Regia Marina (Royal Italian Navy) during the late 1920s. Due to her age, her usefulness was limited, and she saw no real service during the war. The submarine was decommissioned in 1942 and scrapped the following year.
Vettore Pisani on the surface | |
| History | |
|---|---|
 | |
| Name | Marcantonio Colonna |
| Namesake | Marcantonio Colonna |
| Builder | Cantiere Navale Triestino, Trieste |
| Laid down | 3 December 1925 |
| Launched | 26 December 1927 |
| Completed | 10 July 1929 |
| Decommissioned | 16 April 1942 |
| Fate | Scrapped, 1943 |
| General characteristics | |
| Class and type | Pisani-class submarine |
| Displacement |
|
| Length | 68.2 m (223 ft 9 in) |
| Beam | 6.09 m (20 ft) |
| Draught | 4.93 m (16 ft 2 in) |
| Installed power | |
| Propulsion |
|
| Speed |
|
| Range |
|
| Test depth | 90 m (300 ft) |
| Complement | 48 |
| Armament |
|
Designed in parallel with the Mameli-class submarines, the Pisani class was larger accommodate more fuel and give them more range. They displaced 880 metric tons (866 long tons) surfaced and 1,057 metric tons (1,040 long tons) submerged. The submarines were 68.2 meters (223 ft 9 in) long, had a beam of 6.09 meters (20 ft) and a draft of 4.93 meters (16 ft 2 in).[1] They had an operational diving depth of 90 meters (300 ft).[2] Their crew numbered 48 officers and enlisted men.[1]
For surface running, the boats were powered by two 1,500-brake-horsepower (1,119 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 550-horsepower (410 kW) electric motor. They could reach 15 knots (28 km/h; 17 mph) on the surface and 8.2 knots (15.2 km/h; 9.4 mph) underwater.[2] On the surface, the Pisani class had a range of 5,000 nautical miles (9,300 km; 5,800 mi) at 8 knots (15 km/h; 9.2 mph);[1] submerged, they had a range of 70 nmi (130 km; 81 mi) at 4 knots (7.4 km/h; 4.6 mph).[2]
The boats were armed with six 53.3-centimeter (21 in) torpedo tubes, four in the bow and two in the stern for which they carried a total of nine torpedoes. They were also armed with a single 102-millimeter (4 in) deck gun forward of the conning tower for combat on the surface. Their anti-aircraft armament consisted of two 13.2-millimeter (0.52 in) machine guns.[1]
Marcantonio Colonna was laid down by Cantiere Navale Triestino in their Trieste shipyard on 3 December 1925, launched on 26 November 1927, and completed on 10 July 1929.[3]
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