K1 type 2nd class submarines




Displacement735t surface, 1030t submerged
Length69.2m oa
Width6.4m
Draught3.4m
Machinery2-shaft diesel/electric motor, 2600bhp surface, 1200shp submerged
Fueloil 60t
Speed18kt surface, 9kt submerged
Range4000nm by 10kt surface, 85nm by 4kt submerged
Armament6-45cm TT, 1-8cm/28cal AA gun
Complement44



Name Plan Builder Laid down Launch Complete
Ro-11
iSS-19j
FY1916Kure NYd1917. 4.251917.10.151919. 7.31SS2
(SS-19)
1924.11. 1 renamed(Ro-11)
1932. 4. 1 disc
Ro-12
iSS-20j
FY1916Kure NYd1917. 4.251917.12. 11919. 9.18SS2
(SS-20)
1924.11. 1 renamed(Ro-12)
1932. 4. 1 disc



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Copyright © Hiroshi Nishida (Misohito), 2003.