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100 Years of Barrow-Built RN Submarines
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00071_Text_71.txt
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2001-04-24
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733b
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25 lines
MAIN PARTICULARS EXPLORER CLASS PORPOISE AND OBERON CLASSES
Length overall 225 ft 6 in 295 ft 3 in
Beam 15 ft 8 1/2 in 26 ft 6 in
Depth 11 ft 15 ft
Displacement,
surface 780 tons 2030 tons
submerged 1120 tons 2410 tons
No. of shafts 2 2
Speed, surface:
design 25 knots 12 knots
Speed, submerged:
design 25 knots 17 knots
Armament None 6 21-inch bow tubes
2 21-inch stern tubes
* (Oberon Class - 30 torpedoes)
(Porpoise Class - 24 torpedoes)
Complement:
design 49 (Explorer) 71
41 (Excalibur)
* Mines could be carried in lieu of torpedoes.