Design_and_description French_ironclad_Victorieuse

1 design , description

1.1 propulsion
1.2 armament
1.3 armor

design , description

the la galissonnière-class ironclads designed faster, more heavily armed versions of alma-class ironclads henri dupuy de lôme. used same central battery layout predecessors, although battery lengthened 4 meters (13 ft 1 in) provide enough room work larger 240-millimeter (9.4 in) guns. victorieuse , sister ship triomphante modified sabattier reduced number of screws 2 1 improve sailing qualities, added 194-millimeter (7.6 in) bow chaser under forecastle , increased caliber , number of secondary armament.

victorieuse 76.85 meters (252 ft 2 in) between perpendiculars , had beam of 14.88 meters (48 ft 10 in). had mean draft of 6.3 meters (20 ft 8 in) , displaced 4,150 metric tons (4,080 long tons). crew numbered between 352 , 382 officers , men.

propulsion

victorieuse had single vertical compound steam engine driving single propeller. engine powered 4 oval boilers. during sea trials engine produced 2,214 indicated horsepower (1,651 kw) , ship reached 12.75 knots (23.61 km/h; 14.67 mph). carried 330 metric tons (320 long tons) of coal allowed steam 2,740 nautical miles (5,070 km; 3,150 mi) @ speed of 10 knots (19 km/h; 12 mph). victorieuse ship-rigged 3 masts , had sail area of 1,730 square meters (18,600 sq ft).

armament

victorieuse mounted 4 of 6 240-millmeter modèle 1870 guns in central battery on battery deck. other 2 240-millimeter guns mounted in barbettes on upper deck, sponsoned out on sides of ship, forward of funnel. 194-millimeter chase gun fitted under forecastle. victorieuse s secondary armament of 6 138-millimeter (5.4 in) guns mounted on upper deck.

the armor-piercing shell of 19-caliber 240-millmeter gun weighed 317.5 pounds (144.0 kg) while gun weighed 15.41 long tons (15.66 t). had muzzle velocity of 1,624 ft/s (495 m/s) , credited ability penetrate nominal 14.4 inches (366 mm) of wrought iron armour @ muzzle. 20-caliber 194-millimeter gun fired armor-piercing, 165.3-pound (75.0 kg) shell while gun weighed 7.83 long tons (7.96 t). gun fired shell @ muzzle velocity of 1,739 ft/s (530 m/s) , credited ability penetrate nominal 12.5 inches (320 mm) of wrought iron armour @ muzzle. 138-millimeter gun 21 calibers long , weighed 2.63 long tons (2.67 t). fired 61.7-pound (28.0 kg) explosive shell had muzzle velocity of 1,529 ft/s (466 m/s). guns fire both solid shot , explosive shells.

the ship mounted 4 37-millimeter (1.5 in) hotchkiss 5-barrel revolving guns. fired shell weighing 500 g (1.1 lb) @ muzzle velocity of 610 m/s (2,000 ft/s) range of 3,200 meters (3,500 yd). had rate of fire of 30 rounds per minute. victorieuse received several towed harvey torpedoes.

armor

the la galissonnière-class ships had complete 150-millimeter (5.9 in) wrought iron waterline belt, approximately 2.4 meters (7.9 ft) high laid on 650 millimeters (26 in) of wood. sides of battery armored 120 millimeters (4.7 in) of wrought iron backed 520 millimeters (20 in) of wood , ends of battery closed bulkheads of same thickness. barbette armor 120 millimeters (4.7 in) thick. unarmored portions of sides protected thin iron plates.