French battleship Diderot (1909)

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Career (France)

Namesake:	Denis Diderot
Builder:	AC de la Loire, St Nazaire
Laid down:	20 October 1907
Launched:	19 April 1909
Commissioned:	1 August 1911
Fate:	Scrapped in 1937
General characteristics
Class and type:	Danton class battleship
Displacement:	18,318 tonnes standard, 19763 tonnes full load
Length:	144.9 m
Beam:	25.8 m
Draught:	9.2 m
Propulsion:	4 shaft Parsons turbines, 26 Bellville or Niclausse coal fired boilers, 22,500 hp
Speed:	19.2 knots
Complement:	up to 923
Armament:	4 × 305mm/45 Modèle 1906 guns in twin mounts 12 × 240mm/50 Modèle 1902 guns in twin mounts 16 × 75mm/65 Modèle 1906 guns in single mounts 10 × 47 mm guns (single) 2 × 450 mm Torpedo tubes (M12D until 1920, M18 afterwards)
Armour:	270 mm Belt 48 mm upper deck 45 mm lower deck 300 mm main turrets 200 mm secondary turrets