Orsa class torpedo boat

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The Orsa class were a group of large torpedo boats or destroyer escorts built for the Italian Navy in the late 1930s. They were an enlarged version of the Spica class, with more endurance and a greater depth charge load but less powerful machinery and a lighter gun armament. The surviving pair were rebuilt as anti submarine frigates in the 1950s.

[edit] General characteristics

From Conway's All the World's Fighting ships 1922-1946

  • Displacement
    • Standard: 840 tons
    • Full load: 1,575 tons
  • Length: 82.5 m (271 ft)
  • Beam: 9.69 m (31.8 ft)
  • Draught: 3.74 m (12.3 ft)
  • Machinery
    • 2 shaft steam turbines, 16,000 shp total
    • 2 boilers
    • Maximum speed: 28 knots (52 km/h)
  • Complement: 154
  • Aramament
    • 2 100 mm (3.94 in) guns
    • 10 20 mm anti-aircraft guns
    • 8 13.2 mm (0.52 in) (0.52 in) anti-aircraft machine guns
    • 6 450 mm torpedo tubes
    • 6 depth charge throwers

[edit] Ships

Ship builder Launched Fate
Pegaso BS Napoletani 8 December 1936 Sank British submarines HMS Upholder and HMS Thorn Scuttled 11 September 1943
Procione BS Napoletani 31 January 1937 Scuttled 11 September 1943
Orione CNR Palermo 21 April 1937 Survived the war and served in the post war Marina Militare, Decommissioned 1964
Orsa CNR Palermo 21 March 1937 Survived the war and served in the post war Marina Militare, Decommissioned 1964
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