French submarine Plongeur
Plongeur (French for "Diver") was a French submarine launched on 16 April 1863. She was the first submarine in the world to be propelled by mechanized (rather than human) power.
The French submarine Plongeur, 1863. | |
| History | |
|---|---|
| France | |
| Operator | French Navy |
| Ordered | 1859 |
| Builder | Arsenal de Rochefort |
| Laid down | 1 June 1860 |
| Launched | 16 April 1863 |
| Stricken | 2 February 1872 |
| General characteristics | |
| Displacement | 381 t (420 tons) in displacement |
| Length | 45 m (146 ft) |
| Beam | 3.7 m (12 ft) |
| Propulsion | Compressed air engine with 153 m3 (5,403 ft3) of compressed air at 12.5 bar (1.25 MPa, 180 psi). |
| Speed | 4 kn (7.2 km/h) |
| Range | 5 nmi (9 km) |
| Test depth | 10 metres |
| Complement | 12 |
| Armament | Spar torpedo |
Captain Siméon Bourgeois, who made the plans, and naval constructor Charles Brun began working on the design in 1859 at Rochefort.
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