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Text File  |  2001-04-24  |  1KB  |  36 lines
  1. 100 YEARS OF BARROW-BUILT RN SUBMARINES, 1901-2001
  2. MINELAYING SUBMARINES, 1930-1946
  3.  
  4. MAIN PARTICULARS    Porpoise Class
  5.  
  6. Length overall              289 ft
  7. Beam                          29 ft 10 1/4 in
  8. Depth, pressure hull     16ft 9 in
  9. Displacement,
  10.   surface                    1768 tons
  11.   submerged               2053 tons
  12. Diving Depth              300 ft
  13. No. of Shafts             2
  14. Propellers                  Details unknown
  15. Speed, surface:
  16.   design                     15 knots
  17.   service                    16 knots
  18. Speed, submerged:
  19.   design                      8.75 knots
  20.   service                    8.9 knots
  21. Endurance, surface:
  22.   design                      12 800 miles (maximum) 
  23.   service                     3860 miles (full power)
  24.                                  11 500 miles at 8 knots
  25. Endurance, submerged:
  26.   design                      64 miles at 4 knots
  27.   service                     8 miles at 9 knots
  28.                                  66 miles at 6 knots
  29. Armament                   6 21-inch bow tubes
  30.                                 (12 torpedoes carried)
  31.                                  1 4-inch gun
  32.                                  50 Mk XVI mines
  33. Complement
  34.   design                59
  35.  
  36. ┬⌐ BAE SYSTEMS 2001