Joffre-class aircraft carrier

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Joffre-class fleet carrier
Class overview
Name	Joffre class
Builders	Chantiers de Penhoët, Saint-Nazaire
Operators	French Navy
Preceded by	Béarn
Succeeded by	Clemenceau class
Built	1938–1940
Planned	2
Cancelled	2
General characteristics
Type	Aircraft carrier
Displacement	18,000 t (18,000 long tons) (standard) 20,000 t (20,000 long tons) (deep load)
Length	236 m (774 ft 3 in)
Beam	24.6 m (80 ft 9 in) (waterline)
Draft	6.6 m (21 ft 8 in)
Installed power	8 water-tube boilers 120,000 shp (89,000 kW)
Propulsion	2 shafts; 2 geared steam turbine sets
Speed	33.5 knots (62.0 km/h; 38.6 mph)
Range	7,000 nmi (13,000 km; 8,100 mi) at 15 knots (28 km/h; 17 mph)
Complement	1,250
Armament	4 × twin 130 mm (5.1 in) DP guns 4 × twin 37 mm (1.5 in) AA guns 7 × quadruple 13.2 mm (0.5 in) AA machine guns
Armor	Waterline belt: 105 mm (4.1 in) Deck: 40–70 mm (1.6–2.8 in) Gun turrets: 20 mm (0.8 in) Barbettes: 20 mm (0.8 in) Conning tower: 20 mm (0.8 in)
Aircraft carried	40

The Joffre class consisted of a pair of aircraft carriers planned by France prior to World War II. Only one of the two vessels was laid down, and neither was launched before the project was cancelled in 1940.

History[]

Joffre was designed to give the French Navy a fleet carrier of greater capability than the existing Béarn. Béarn was hopelessly outclassed by the late 1930s as French aircraft carrier design had not kept pace with developments in other countries, and badly hampered by the fact it was not designed from the keel up as an aircraft carrier, but was instead a converted World War I-era battleship. Joffre was a design aimed at rectifying the deficiencies, but was still of limited capacity.

The lead ship was laid down on 18 November 1938, but the rapid arrival of World War II led to a slow down of construction and the ultimate cessation of work that came in June 1940 as the country capitulated to German invasion. The ship was 28% complete when France capitulated. Work on Joffre was not continued by the Germans and the hull was scrapped. The second planned vessel of the class, Painlevé, was never laid down.

As the course of the war went, the lack of naval aviation did not become a factor for the French fleet, as France fell to land invasion before its navy could play a major role in the proceedings.

References[]

• Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922-1946. Greenwich: Conway Maritime Press. ISBN 0-85177-146-7.
• Jordan, John (2010). "PA16 Joffre: France's Carrier Project of 1938". In Jordan, John (ed.). Warship 2010. London: Conway. pp. 60–76. ISBN 978-1-84486-110-1.

External links[]

• 3D renderings
• 3D renderings