Dolfijn-class submarine
The Dolfijn-class submarines of the Royal Netherlands Navy are a class of four submarines; Dolfijn, Zeehond, Potvis and Tonijn. They were built in the late 1950s and the early 1960s. They were the first indigenous submarines built in the Netherlands and for the Royal Netherlands Navy after World War II. In the Netherlands they are also known as "three cylinder" submarines.
The Dutch submarine HNLMS Zeehond | |
| Class overview | |
|---|---|
| Name | Dolfijn class |
| Builders | Rotterdamsche Droogdok Maatschappij & Wilton-Fijenoord |
| Operators | Royal Netherlands Navy |
| Preceded by | O 21 class |
| Succeeded by | Walrus class |
| Subclasses | Potvis class |
| Built | 1954–1966 |
| In service | 1960–1992 |
| Completed | 4 |
| Retired | 4 |
| Preserved | 1 |
| General characteristics | |
| Type | Submarine |
| Displacement |
|
| Length | 79.5 m (261 ft) |
| Beam | 7.8 m (26 ft) |
| Draught | 5.0 m (16.4 ft) |
| Propulsion | 2 shafts, diesel electric. 2 MAN type diesels (2800 hp) and two electric motors 4000 hp |
| Speed |
|
| Complement | 67 |
| Sensors and processing systems | Radar type 1001, Sonar: passive and active |
| Armament | 8 x 533 mm (21 inch torpedo tubes) 4 bow, 4 stern, 16–22 torpedoes, fitted for minelaying via torpedo tubes |
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