French class of ballistic missile submarines
Le Téméraire
Class overview
Name Triomphant class
Builders DCNS
Operators French Navy
Preceded by Redoutable class
Succeeded by SNLE 3G [ 1]
Cost
€ 17.1 billion (2009) (equivalent to € 20.5 billion in 2022)[ 2] for 4 units
€ 3.1 billion (2009)[ 3] (equivalent to € 3.7 billion in 2022)[ 2] for Le Terrible
Built 1986–2010
In commission 1997–present
Planned 4
Completed 4
Active 4
General characteristics
Type Ballistic missile submarine
Displacement
12,640 tonne (surfaced)
14,335 tonne (submerged)
Length 138 m (453 ft)
Beam 12.50 m (41.0 ft)
Draught 10.60 m (34.8 ft)
Propulsion
K15 pressurized water reactor 150 MWth, LEU 7%;[ 4] with turboreductor pump-to-shaft system of 30,5 MW
Power : 30,519 kW (40,927 hp)
two emergency diesel-powered generators SEMT Pielstick 8PA4V200 SM (700 kW (940 hp)) auxiliaries.
Speed Over 25 kn (46 km/h)
Range Unlimited distance; 20–25 years
Test depth Over 400 m (1,300 ft)
Complement
Sensors and processing systems
Sonar DMUX 80
Sonar DUUX 5
Sonar DSUV 61B Very Low Frequency
Racal Decca radar (navigation)
SCC : SET (Système d'exploitation Tactique ) : tactical operational system
Electronic warfare & decoys ARUR 13
Armament
The Triomphant class of ballistic missile submarines of the French Navy is the active lead boat class of four boats that entered service in 1997, 1999, 2004, and 2010. These four superseded the older Redoutable class , and they provide the ocean-based component (the Force océanique stratégique ) of France's nuclear deterrent strike force, the Force de dissuasion (deterrence force). Their home port is Île Longue , Roadstead of Brest , Western Brittany.
^ "SNLE de 3è génération : la mise en chantier prévue pour 2023" . Corlobe . 26 October 2018.
^ a b 1262 to 1789 Leonardo Ridolfi, The French economy in the longue durée: a study on real wages, working days and economic performance from Louis IX to the Revolution (1250–1789) , Ridolfi, L. (2019). Six Centuries of Real Wages in France from Louis IX to Napoleon III: 1250–1860. The Journal of Economic History , 79(3), 589-627. 1798 to 1809 : Mitchell, B. R. (Brian R.). (1975). European historical statistics, 1750-1970. New York: Columbia University Press , 1810 to 1903 : Sauvy, Alfred . Variations des prix de 1810 à nos jours. Journal de la société française de statistique , Volume 93 (1952) , pp. 88-104 1904 to 2022 : Institut national de la statistique et des études économiques , Coefficient de transformation de l'euro ou du franc d'une année, en euro ou en franc d'une autre année – Base 2015 – Série utilisée par le convertisseur franc-euro – Identifiant 010605954
^ "French Audit Report Reveals Weapon Prices, A400M Details" . Defence-aerospace . 18 February 2010. Archived from the original on 14 October 2013. Retrieved 7 August 2015 .
^ "Examination of the U.S. Navy Proposed Conversion of the Nuclear Fleet from Highly Enriched Uranium to Low Enriched Uranium" (PDF) . Retrieved 31 August 2023 .
^ "La marine française met un quatrième sous-marin nucléaire en service" . AFP. Archived from the original on 24 January 2013. Retrieved 7 January 2020 – via Google news.
^ "IA M51 : Chape de plomb sur le nucléaire" . Mer et Marine . 4 October 2010. Archived from the original on 9 October 2010. Retrieved 4 October 2010 .
^ Kristensen, Hans. "France" (PDF) . Assuring Destruction Forever: Nuclear Weapon Modernization Around the World . Women's International League for Peace and Freedom. Retrieved 11 April 2013 – via FAS.
^ Reif, Kingston (8 December 2009). "Nuclear weapons: The modernization myth" . Bulletin of the Atomic Scientists . Retrieved 11 April 2013 .