Alger-class cruiser

Jean Bart
Class overview
Name: Alger class
Builders: Arsenal De Rochefort Arsenal de Brest, Arsenal de Cherbourg
Operators:  French Navy
Preceded by: Châteaurenault
Succeeded by: Friant-class cruiser
Built: 1887–1893
In commission: 1891–1914
Completed: 3
Retired: 3
General characteristics
Type: Protected cruiser
Displacement: 4,313 tons
Length: 105 m (344 ft 6 in)
Beam: 12.98 m (42 ft 7 in)
Draught: 6.1 m (20 ft 0 in)
Propulsion: 8,000 hp (6,000 kW), two shafts
Speed: 19 knots (35 km/h)
Complement: 387
Armament:
  • 4 × 16 cm (6.3 in) (4 × 1)
  • 6 × 14 cm (5.5 in) (6 × 1)
  • 2 × 6.5 cm (2.6 in) (2 × 1)
  • 10 × 4.7 cm (1.9 in) (10 × 1)
  • 5 × 35 cm (14 in) torpedo tubes
Armour:
  • 3 in (7.6 cm) Conning tower
  • 2 in (5.1 cm) deck

The Alger class was a class of protected cruisers of the French Navy. The class comprised Alger, Isly and Jean Bart.

Design

The ships of the class were 105 metres (344 ft 6 in) long, had a beam of 12.98 metres (42 ft 7 in), a draught of 6.1 metres (20 ft 0 in), and had a displacement of 4,313 ton. The ships were equipped with 2 shaft reciprocating engines, which were rated at 8,000 ihp (6,000 kW) and produced a top speed of 19 knots (35 km/h).

The ships had deck armour of 2 in (5.1 cm), conning tower armour of 3 in (7.6 cm) and a complement 387 men. The main armament of the ships were four 16 cm (6.3 in) single turret guns. Secondary armament included six single 14 cm (5.5 in) guns, two 6.5 cm (2.6 in) single guns and ten 4.7 cm (1.9 in) single guns.

Construction

Name Laid down Launched Commissioned Decommissioned Shipyard
Alger November 1887 November 1889 January 1891 1911 Arsenal de Cherbourg
Isly September 1887 June 1891 January 1893 1914 Arsenal de Brest
Jean Bart September 1887 November 1889 January 1891 1907 Arsenal de Rochefort
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