Amiral Baudin-class ironclad

Formidable testing ballons as naval observation platform
Class overview
Name:	Amiral Baudin class
Operators:	French Navy
Preceded by:	Terrible class
Succeeded by:	Marceau class
General characteristics
Type:	Battleship
Displacement:	12,150 tonnes
Length:	98 m (322 ft)
Beam:	21.2 m (70 ft)
Draught:	7.9 m (26 ft)
Propulsion:	9,700 shp (7,200 kW)
Speed:	16 knots (30 km/h; 18 mph)
Complement:	650
Armament:	3 × 370mm/28 Modèle 1875 guns in single mountings 4 × 163mm/30 Modèle 1884 guns in single mountings 10 × 138mm/45 Modèle 1888 guns in single mountings 6 × 450 mm torpedo tubes
Armour:	450 mm (18 in)

The Amiral Baudin class was a type of ironclad battleships of the French Navy. The class comrpised two ships; Amiral Baudin and Formidable.

The two ships of the class were built to a design similar to that of Amiral Duperré, enlarged and designed from the start to use steam propulsion only. They were upgraded with armoured masts carrying small guns.