Capitan O'Brien-class submarine (1928)

The Capitan O'Brien class were three submarines built for the Chilean Navy in the late 1920s. They were similar to the contemporary British Odin-class submarines, but mounted a larger 4.7 in (120 mm)/45 deck gun and were slightly smaller.

Class overview
BuildersVickers
Operators Chilean Navy
In commission1929–1958
Completed3
Retired3
General characteristics
TypeSubmarine
Displacement
  • Surfaced - 1540 tons
  • Submerged - 2020 tons
Length260 ft (79 m)
Beam28 ft (8.5 m)
Draught13 ft 6 in (4.11 m)
Propulsion
  • 2 shaft diesel electric
    • Vickers diesels: 2,750 hp (2,050 kW)
    • Electric motors: 1,300 hp (970 kW)
Speed
  • Surfaced: 15 knots (28 km/h; 17 mph)
  • Submerged: 9 knots (17 km/h; 10 mph)
Crew54
ArmamentEight 21-inch (533 mm) torpedo tubes (6 bow, 2 stern 14 torpedoes) 1 - 4.7 in (120 mm)/45 deck gun

Ships

All boats were built by Vickers in Barrow-in-Furness and commissioned in 1929. The builder's photograph of the Simpson gives the dimensions as 272 feet 9 inches (83.1 m) overall × 27 feet 6 inches (8.4 m) × 16 feet 6 inches (5.0 m), surface speed 15 knots (28 km/h; 17 mph) surfaced and 9.5 knots (17.6 km/h; 10.9 mph) submerged.[1]

Ship Launched Decommissioned
Almirante Simpson, named after Robert Winthrop Simpson 15 January 1929 1957
Capitan O'Brien 2 October 1928 1957
Capitan Thomson 15 January 1929 1958

The two Oberon-class submarines purchased by Chile in the 1970s were also known locally as the O'Brien class.

References
  1. Vickers-Armstrongs Limited 1930, p. 18.

Cited works
  • Conway's All the World's Fighting Ships 1922-1946
  • Vickers-Armstrongs Limited (1930). The Activities of Vickers-Armstrongs Limited, naval construction works, Barrow-in-Furness. London: Vickers-Armstrongs Ltd.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.