Builders:
C : Cammell Laird, Birkenhead, United Kingdom
V : Vickers, Barrow, United Kingdom
Dimensions:
230' 5" x 24' 9" x 18' / 70.26m x 7.60m x 5.50m
Displacement:
2185 tons surfaced / 2400 tons dived
Complement:
7 + 37
Armament:
6 x 21" bow torpedo tubes
A total of 18 torpedos could be carried, usually Tigerfish or Spearfish models. Stonefish mines
could be carried as could one SubHarpoon SLCM per torpedo space.
Powerplant:
Two Paxman Valenta 16RPA 200SZ diesel generators totalling 4070bhp were fitted with one
GEC main motor totalling 5400hp driving one shafts. Maximum speed was 12kts surfaced and 20kts
dived. Range was 10000NM @ 12kts surfaced and maximum endurance was 49 days.
Electronics Fit:
Radar:
Type 1007 navigation
Sonar:
Type 2040 bowk
Type 2007 flank
Type 2019 PARIS intercept
Type 2026 towed array
Other:
N/A
Miscellaneous:
The periscopes were Barr & Stroud CK35 search and Barr & Stroud CH85 attack.