Jolly Roger Class
O 9
Boats in this Class
O 9O 10, O 11

 


O 9, O 10 and O 11, the complete O 9 class. Probably at the Es en van Ommeren dock in Amsterdam, April 1936. (Photo: N.V. Ned. Fotobureau / Collection Erny van Wijk)

O 9, O 10 and O 11, the complete O 9 class. Probably at the Es en van Ommeren dock in Amsterdam, April 1936. (Photo:  N.V. Ned. Fotobureau / Collection Erny van Wijk)

 

Boat O 9 O 10 O 11
Pennant # P 9, P09 P 10  
Yard # 177 169 297
Type Patrol submarine for the Dutch home waters
Class name O 9. Named after first of class. "O" stands for "Onderzeeboot" (submarine)
Ordered 30 Aug 1921 9 Aug 1921 30 Aug 1921
Laid down 1 Dec 1923 or
23 Sep 1922
24 Dec 1923 24 Dec 1922
Launched 7 Apr 1925 30 July 1925 19 Mar 1925
Commissioned 18 Jan 1926 1 Sep 1926 Dutch navy: 18 Jan 1926
German navy: ?
Decommissioned 1 Dec 1944 11 Oct 1944 Dutch navy: 14 May 1940 (scuttled)
German navy: Sep 1944
Fate Oct 1946
Sold f brake up
Oct 1946
Sold f brake up
10 Dec 1947 Raised
 ?? ??? 194? Sold f scrap
Design Dutch. Double-hull type. By J.J. van der Struyff, B.Sc.
Shipyard K.M. De Schelde,
Vlissingen
Nederlandse Dok en,
Scheepsbouw Mi
j.
Fijenoord, Schiedam
Le x Be x Dr 54.66 m x 5.70 m x 3.53 m
Displacement
Stnd/Surf/Subm
483 t / 526 t / 656 t
Engines Two 6-cylinder Sulzer diesel engines, 2-stroke, 2x450 apk
Main motor 2 main motors + generators, 2 x 250 apk
Batteries 120 cells, 4350 Ah during 3 hours
Propellers 2
First twin screw O boat.
Speed surf/subm 12 kts / 8 kts
Range surf/subm 3500 nm at 8 kts / 25 nm at 8 kts
Diving depth 60 m
Complement 29
Torpedo tubes 2 x 21" bow, 2 x 17.7" bow, 1 x 17.7" stern
Armament 10 torpedoes, incl. 5 reloads.
Type  I 53 and III 45
 1 x 8.8 cm, 1 x 12.7 mm mg (possibly Browning,
 but the Navy did not buy these until the late 1920's)
Guns
Periscopes 2 hydraulically operated, stroke 4.25 m, diameter 150 mm
Notes - Double-hull type, from know on all future subs will be double-hull types.
- Kingstons grouped in the control room.
- Note the differently sized torpedo tubes of 18" and 21".

 

 

 

 

 

 

 

 

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