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Text File  |  2001-04-24  |  965b  |  34 lines
  1. MAIN PARTICULARS
  2.  
  3. Length overall             217 ft
  4. Beam                    23 ft 6 in
  5. Depth                     11 ft
  6. Displacement,
  7.     surface                 872 tons
  8.     submerged            990 tons
  9. Diving depth            350 feet
  10. No. of shafts            2
  11. Speed, surface:
  12.     design                15 knots 
  13.     service                14.75 knots 
  14. Speed, submerged:
  15.     design                10 knots 
  16.     service                9 knots 
  17. Endurance, surface:
  18.     design                6000 miles at 10 knots
  19. Endurance, submerged:
  20.     design                Details unknown
  21. Armament*                6 21-inch bow tubes
  22.                         1 21-inch stern tube
  23.                         (13 torpedoes carried)
  24.                         1 3-inch gun
  25.                         3 0.303-inch machine-guns
  26.                         1 20mm Oerlikon cannon
  27. Complement:
  28.     design                48
  29.  
  30. * The armament of submarines of this class varied considerably.  For example: 23 boats were fitted with the six bow tubes only: 18 vessels, intended to operate in the Far East, had their 3-inch guns replaced by 4-inch guns: whilst, in some boats, the Oerlikon cannon replaced , rather than supplemented, the three machine guns.
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