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Class K XI |
Boats in this Class K XI, K XII, K XIII |
K XII
| Boat | K XI | K XII | K XIII |
| Pennant | N 53 | N 61 | |
| Yard # | 294 | 295 | 296 |
| Type | Patrol submarine for the Dutch colonies | ||
| Class name | K XI. Named after first of class. "K" stands for "Koloniën" (colonies) | ||
| Ordered | 3 Sep 1921 | 3 Sep 1921 | 3 Sep 1921 |
| Laid down | 9 Dec 1922 | 9 Jan 1923 | 15 Oct 1923 |
| Launched | 24 Apr 1924 | 15 July 1924 | 23 Dec 1924 |
| Commissioned | 24 Mar 1925 | 19 May 1925 | 29 Mar 1926 |
| Decommissioned | 11 Apr 1945 | Active service: May 1944 Piggy boat: 9 Sep 1944 |
2 Mar 1942 |
| Fate | 1945/1946 Sold, stripped, scuttled |
1946 Sold 1951 Scrapped |
2 Mar 1942 Scuttled |
| Design | Dutch, KM type, J.J. van der Struyff B.Sc. | ||
| Shipyard | Maatschappij Fijenoord, Rotterdam | ||
| Le x Be x Dr | 66.70 m x 6.15 m x 3.78 m | ||
| Displacement Stnd/Surf/Subm |
612 t / 688 t / 828 t | ||
| Engines | Two 6-cylinder M.A.N. diesel engines, 4-stroke, 2 x 1200 apk, reversable | ||
| Fuel oil | 46,7 m3 | ||
| Main motor | Two motors/generators, 2 x 327 apk | ||
| Batteries | 132 cells, 4350 Ah during 3 hours | ||
| Propellers | 2 | ||
| Speed surf/subm | 17 kts / 8 kts | ||
| Range surf/subm | 3500 nm at 8 kts / 25 nm at 8 kts | ||
| Diving depth | 60 m | ||
| Complement | 31, including 5 Off. Some boats got larger crews after several years. |
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| Torpedo tubes | 2 x 21" bow, 2 x 17.7" bow, 2 x 17.7" stern | ||
| Armament | 12 torpedoes, incl. 6 reloads, type III 45, I 53, II 53 | ||
| Guns | 1 x 8.8 cm (22pdr) Bofors, aka
No.2 1 x 12.7 mm machine gun (possibly Browning, but the Navy did not buy these until the late 1920's) |
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| Notes | Double-hull, three ballast tanks. All
kingstons, which were pneumatically operated, are controlled from the control room. Note the differently sized torpedo tubes of 18" and 21". |
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