Submarines

O class

9 ships

The O class submarine HMS Osiris.

Type	Submarine
Displacement	1475 / 2030 BRT
Length	283.5 feet
Complement	6 officers + 47 men
Armament	1 4" gun 2 MG AA 8 21" torpedo tubes (6 bow, 2 stern)
Max speed	17.5 / 9 knots (surfaced/submerged)
Engines	Diesel / electric, 2 shafts
Power	4400 / 1350 HP (surfaced/submerged)
Notes on class	This class was diverted into three groups. Oberon was built as a prototype. Otway and Oxley were built for Australia but were returned to the R.N. some years after completion due to financial reasons, these ships were known as the Oxley group. The remaining six ships were the Odin group. Specifications as given above are for the Odin group. Oberon (prototype); Displacement: 1311 / 1831 BRT Lenght: 275 feet Speed: 15 / 9 knots Power: 2950 / 1350 HP Otherwise same as above. Oxley group; Displacement: 1350 / 1870 BRT Lenght: 278.5 feet Speed: 15.5 / 9 knots Power: 2950 / 1350 HP Otherwise same as above.

All ships of the O class:

Royal Navy (more on Royal Navy)

HMS Odin (N 84) (lost 14 Jun 1940)
HMS Olympus (N 35) (lost 8 May 1942)
HMS Orpheus (N 46) (lost 19 Jun 1940)
HMS Osiris (N 67)
HMS Oswald (N 58) (lost 1 Aug 1940)
HMS Otus (N 92)