100 Years of Barrow-Built RN Submarines/100YearsOfBarrow-builtRnSubmarines.iso/century2.cxt/00066_Text_66.txt

Text File | 2001-04-24 | 360b | 5 lines

(i)    This was increased to 350 feet in the     all-welded boats.
(ii)    T Class submarines serving in the Far     East were modified to carry extra     fuel, which increased endurance to
    11 000 miles at 10 knots.
(iii)    As an alternative load, Group 1     submarines could carry 18 mines.
(iv)    These were later replaced by, or     supplemented by, one 20mm     Oerlikon cannon.