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Home → Boats → Submarines → B Class → B7

B 7 (I 27)

Built By: Vickers (Barrow)
Build Group: B
Fate: Converted to Surface Patrol Craft and renamed S7 for service on the Otranto Barrage.

Sold October 1919 and scrapped in Malta.
B7
B7

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Commanders
1817: Lieutenant   O North
1916: Lieutenant   Thomas Ouchterlony
1916: Lieutenant   Kenneth Michell

1914: At Gibraltar
Adriatic Squadron, 1915. Marco Polo, Venice.

Attacked by Austrian aircraft during June of 1916. The Commanding Officer was so badly affected by this attack that he never went to sea in a submarine again.

Renamed S7 after being converted to a patrol boat.

Events

 30-11-1905   Launched
 27-03-1906   Completed
B Specification
Length overall  142 ft
Beam  12 ft
Draught  11 ft
Displacement   Surface 287 tons
  Submerged 316 tons
Diving Depth  100 ft
Speed  Surface 7 knots (design)
  Surface 6.5 knots (service)
  Submerged 13 to 13.5 knots (design)
  Submerged 12 knots (service)
No. of shafts  1
Propeller  3 blades, 5 ft diameter
Armament  2 x 18 inch bow torpedo tubes (4 torpedoes carried)
Endurance  Surface: 1300 miles at 9 knots (design)
  Surface: 740 miles at full power (service)
  Submerged: 22.5 miles
Complement  2 x Officers, 13 x Ratings
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Unseen (P 51)


Class: 1936 - 1958: U Class
Built By: Vickers (Barrow)
Build Group: U2
Fate:
Scrapped in September 1949 at Hayle.
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