Onderzeeboots

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Onderzeeboot-1 (O1) Laid down 1907

Le x Be x Dr   20.42 m x 4.08 m x 2.79 m   
Displacement   105 t / 124 t
Engine: One 4-cylinder OTTO petrol engine, 2-stroke, 160 apk
Propellers   1   
Speed surf/subm   8.5 kts / 8 kts   
Range surf/subm   200 nm at 8 kts / 24 nm at 6 kts   
Diving depth:   25 m. According to some sources 30 m   
Complement:   10   
Torpedo tubes:   1 x 450mm bow
Torpedo type:   XIIA
Torpedoes had to be disassembled before they could be taken on board.   
Armament   3 torpedoes   
Guns:   none   
Notes:   Single-hull type. One main ballast tank

Source:
http://www.dutchsubmarines.com/classes/class_o1.htm

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Class Onderzeeboot-2 (Class O2)

Boats in class, eight
O2 O3 O4 O5
O6 O7 O8 O9

Le x Be x Dr   32.13 m x 3.30 m x 2.73 m   
Displacement   134 t / 149 t   
Engine   One 6-cylinder M.A.N. diesel engine, 2-stroke, 280 apk   
Main motor   145 apk   
Batteries   60 cells, 3300 Ah during 3 hours   
Propellers   1   
Speed surf/subm   11 kts / 8 kts   
Range surf/subm   500 nm at 10 kts / 35 nm at 7 kts   
Diving depth   25 m, 40 m during trials (no crew on board)   
Complement   10   
Torpedo tubes   2 x 450mm bow. Tubes above each other   
Armament   4 torpedoes type I 45   
Guns   1 machine gun

http://www.dutchsubmarines.com/classes/class_o2.htm

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K-I Class
K I to K XXII In class.

K I to K XII laid down 1/1911
K XIII to K XXII laid down 1/1912
Le x Be x Dr   46.20 m x 4.69 m x 3.02 m   
Displ. surf/subm   333 t / 358 t   
Engines   Two 8-cylinder M.A.N. diesel engines, 2-stroke, 2 x 750 apk   
Main motor   2 motors/generators, 2 x 157 apk   
Batteries   130 cells, 3300 Ah during 3 hours   
Propellers   2   
Speed surf/subm    16 kts / 10.5 kts   
Range surf/subm    3500 nm at 11 kts / 30 nm at 8 kts   
Diving depth   40 m   
Complement   17   
Torpedo tubes   2 x 45cm bow, 1 x 45cm stern   
Armament   6 torpedoes type II 45    
Guns   none   
Periscopes   Two

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K XXIII-class (Historic K II-class)
K XXIII to KXXVIII laid down 2/1913
K XXIX to XXXVI laid down 1/1914

Shipyard   Koninklijke Maatschappij De Schelde, Vlissingen,
Le x Be x Dr   57.31 m x 5.29 m x 3.82 m
Displacement Stnd/Surf/Subm   507 t / 569 t / 649 t
Engines   Two 8-cylinder M.A.N. diesel engines, 2-stroke, 2 x 900 apk
Main motor   2 motors/generators, 2 x 250 apk
Batteries   120 cells, 4350 Ah during 3 hours
Propellers   2
Speed surf/subm   15,5 kts / 8.5 kts
Range surf/subm   3500 nm at 11 kts / 25 nm at 8.5 kts
Diving depth   40 m
Complement   29
Guns   1 x 7.5 cm
Torpedo tubes   2 x 45cm bow, 2 x 45cm external stern
Armament   12 torpedoes M/12
Periscopes   Two, short stroke.

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O10-class (Historic O6-class)

O10 to O15 Laid down 2/1913
O16 to O19 laid down 1/1914
O20 to O21 laid down 2/1914
O22 to O24 laid down 1/1915

Shipyard   Fijenoord, Rotterdam, the Netherlands
Le x Be x Dr   35.69 m x 4.13 m x 3.05 m
Displacement   192 t / 233 t
Engine   One 6-cylinder M.A.N. diesel engine, 2-stroke, 375 apk
Main motor   210 apk
Batteries   60 cells, 4450 Ah during 3 hours
Propellers   1
Speed surf/subm   12 kts / 8.5 kts
Range surf/subm   750 nm at 10 kts / 42 nm at 7 kts
Diving depth   40 m
Complement   15
Torpedo tubes   2 x 45cm bow, 1 x 45cm stern external.
Armament   5 torpedoes type M/12
Guns   1 machine gun
Periscope   2 Zeiss

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K XXXVII to K XXXXIV laid down 2/1914
K XXXXV to K XXXXXIV laid down 1/1915
K XXXXXV and XXXXXVI laid down 2/1915

Koninklijke Maatschappij De Schelde, Vlissingen, the Netherlands
Le x Be x Dr   64.41 m x 5.60 m x 3.56 m
Displ. surf/subm   583 t / 721 t
Engines   Two 8-cylinder M.A.N. diesels, 2-stroke, 2 x 900 apk   
Main motor   2 motors/generators, 2 x 210 apk
Batteries   132 cells, 4350 Ah during 3 hours
Propellers   2
Speed surf/subm   16.5 kts / 8.5 kts   
Range surf/subm   3500 nm at 11 kts / 25 nm at 8.5 kts
Diving depth   40 m
Complement   29
Torpedo tubes   2 x 45cm bow, 2 x 45cm external-traversing just fw of bridge.
Armament   12 torpedoes type M/12
Guns   1 x 7.5 cm
Notes   - First K-boats with double-hull, watertight compartments and watertight doors for the crew.
- Five ballast tanks are located between the two hulls.