Palestro-class ironclad floating battery

Paixhans (right) in 1862
Class overview
Name	Palestro class
Operators	French Navy
Preceded by	Dévastation class
Succeeded by	Embuscade class
Built	1859–1862
In service	1862–1871
Completed	4
Scrapped	4
General characteristics
Type	Ironclad floating battery
Displacement	1,560 t (1,540 long tons)
Length	47.5 m (155 ft 10 in)
Beam	14.04 m (46 ft 1 in)
Draft	3 m (9.8 ft) (mean)
Installed power	580 ihp (430 kW)
Propulsion	Twin screw, FCM steam engine
Speed	7.5 knots (13.9 km/h; 8.6 mph)
Complement	212
Armament	12 × 160 mm (6.3 in) guns later 2 of the 160 mm guns were replaced by 1 × 40 mm (1.6 in) gun
Armor	Hull: 120 mm (4.7 in)

The Palestro-class ironclad floating batteries were four floating batteries built for the French Navy in 1859–1862 to replace the Crimean War-built vessels because of fears that the 1855 ships would deteriorate because they had been built hurriedly with poor wood.