Engineering:Phlégéton-class ironclad gunboat

Short description: Type of ironclad vessel

Class overview
Name	Achéron class
Builders	Arsenal de Cherbourg
Operators	French Navy
Preceded by	Achéron class
Succeeded by	None
Built	1885–1893
In service	1892–1919
Completed	2
Scrapped	2
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General characteristics
Type	Ironclad gunboat
Displacement	1,796 t (1,768 long tons)
Length	59.2 m (194 ft 3 in) (o/a)
Beam	12.3 m (40 ft 4 in)
Draft	3.8 m (12 ft 6 in)
Installed power	4 locomotive boilers 1,700 ihp (1,300 kW)
Propulsion	2 propellers, 2 compound-expansion steam engines
Speed	13 knots (24 km/h; 15 mph)
Range	1,800 nmi (3,300 km; 2,100 mi) at 8 knots (15 km/h; 9.2 mph)
Complement	99
Armament	1 × single 274 mm (10.8 in) gun 1 × single 138.6 mm (5.5 in) gun 2 × single 47 mm (1.9 in) guns 3 × 5-barrel 37 mm (1.5 in) revolver cannon 2 × single 37 mm (1.5 in) guns
Armor	Waterline belt: 200 mm (7.9 in) Turret: 200 mm (7.9 in) Barbette: 200 mm (7.9 in) Deck (ship): 20 mm (0.8 in)
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The Phlégéton-class consisted of two ironclad gunboats built for the French Navy in the 1880s. They spent the bulk of their careers in reserve.

Ships

Construction data

Name	Laid down	Launched	Completed	Fate
Phlégéton	March 1885	20 December 1890	October 1892	Sunk as a target, 1917
Styx	September 1889	22 August 1891	March 1893	Sold for scrap, 19 December 1919

Bibliography

• Chesneau, Roger; Kolesnik, Eugene M., eds (1979). "France". Conway's All the World's Fighting Ships 1860–1905. Greenwich: Conway Maritime Press. pp. 283–333. ISBN 0-8317-0302-4. https://archive.org/details/conwaysallworlds0000unse_l2e2. 
• Roberts, Stephen S. (2021). French Warships in the Age of Steam 1859–1914: Design, Construction, Careers and Fates. Barnsley, UK: Seaforth Publishing. ISBN 978-1-5267-4533-0. 
• Roche, Jean-Michel (2005) (in fr). Dictionnaire des bâtiments de la flotte de guerre française de Colbert à nos jours. Tome I: 1671–1870. Toulon: Roche. ISBN 978-2-9525917-0-6. OCLC 165892922.