Capitan O'Brien class submarine

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The Capitan Thompson at sea
Career (Chile) Chilean Navy Jack
Builder: Vickers
Commissioned: 1929
General characteristics
Displacement: Surfaced - 1540 tons
Submerged - 2020 tons
Length: 260 ft (79 m)
Beam: 28 ft (8.5 m)
Draught: 13 ft 6 in (4.1 m)
Propulsion:

2 shaft diesel electric

    • Vickers diesels - 2750 hp
    • Electric motors - 1300 hp
Speed:

Surfaced - 15 knots

Submerged - 9 knots
Crew: 54
Armament:

Eight 21in torpedo tubes (6 bow, 2 stern 14 torpedoes)

1 - 4.7 in deck gun

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 inch deck gun and were slightly smaller.

[edit] Ships

All boats were built by Vickers in Barrow-in-Furness and commissioned in 1929

Ship Launched Decommissioned
Almirante Simpson , named after Robert Winthrop Simpson 15 January 1928 1957
Capitan O'Brien 2 October 1928 1957
Capitan Thompson 15 January 1959 1958

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

[edit] References

  • Conway's All the World's Fighting Ships 1922-1946