Achéron-class ironclad gunboat

For other ship classes of the same name, see Acheron class.

The Achéron class consisted of two ironclad gunboats built for the French Navy in the 1880s. They spent the bulk of their careers in reserve.

Class overview
Name	Achéron class
Builders	Arsenal de Cherbourg
Operators	French Navy
Preceded by	Fusée class
Succeeded by	Phlégéton class
Built	1882–1890
In service	1888–1912
Completed	2
Scrapped	2
General characteristics
Type	Ironclad gunboat
Displacement	1,721 t (1,694 long tons)
Length	55.6 m (182 ft 5 in) (o/a)
Beam	12.3 m (40 ft 4 in)
Draft	3.8 m (12 ft 6 in)
Installed power	4 locomotive boilers 1,650 ihp (1,230 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 3 × single 100 mm (3.9 in) guns 2 × 47 mm (1.9 in) guns 4 × 5-barrel 37 mm (1.5 in) revolver cannon
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)

Ships

Construction data

Name	Laid down	Launched	Completed	Fate
Achéron	4 November 1882	23 April 1885	2 October 1889	Scrapped, 10 December 1912
Cocyte		13 January 1887	July 1890	Scrapped after 1911