Spanish ironclad Numancia
Numancia at anchor
|Namesake:||Siege of Numantia|
|Builder:||Forges et Chantiers de la Méditerranée, La Seyne, France|
|Laid down:||22 April 1862|
|Launched:||19 November 1863|
|Commissioned:||17 December 1864|
|Fate:||Sank while under tow, 17 December 1916|
|General characteristics (as built)|
|Displacement:||7,305 t (7,190 long tons)|
|Length:||95.6 m (313 ft 8 in)|
|Beam:||17.3 m (56 ft 9 in)|
|Draft:||7.7 m (25 ft)|
|Propulsion:||1 shaft, 1 horizontal-return connecting-rod steam engines|
|Sail plan:||Ship rig|
|Speed:||12.7 knots (23.5 km/h; 14.6 mph)|
|Range:||3,000 nautical miles (5,600 km; 3,500 mi) at 10 knots (19 km/h; 12 mph)|
|Armament:||40 × 68-pounder (203 mm) smoothbore guns|
The Spanish ironclad Numancia was an armored frigate bought from France during the 1860s for service with the Royal Spanish Navy (Armada Real). The name was derived from the Siege of Numantia, in which Roman expansion in the Iberian Peninsula was resisted. She was the first ironclad to circumnavigate the Earth. She saw service in the Chincha Islands War and Cantonal Revolution.
Design and description
Numancia was 95.6 meters (313 ft 8 in) long at the waterline, had a beam of 17.3 meters (56 ft 9 in) and a draft of 7.7 meters (25 ft 3 in). She displaced 7,305 metric tons (7,190 long tons) and was fitted with a ram bow. Her crew consisted of 561 officers and enlisted men.
The ship was fitted with a pair of horizontal-return connecting-rod steam engines from her builder that drove one propeller shaft using steam provided by eight cylindrical boilers. The engines were rated at a total of 1,000 nominal horsepower or 3,700 indicated horsepower (2,800 kW) and gave Numancia a speed of 12.7 knots (23.5 km/h; 14.6 mph) The ironclad carried a maximum of 1,100 metric tons (1,083 long tons) of coal that gave her a range of 3,000 nautical miles (5,600 km; 3,500 mi) at 10 knots (19 km/h; 12 mph). She was fitted with a three-masted ship rig with a sail area of 1,800–1,900 square meters (19,000–20,000 sq ft).
The frigate's main battery initially consisted of forty 200-millimeter (7.9 in) smoothbore guns mounted on the broadside, but her armament was changed around 1867 to with six 229-millimeter (9 in) and three 200 mm Armstrong-Whitworth guns, and eight Trubia 160-millimeter (6.3 in) guns, all of which were rifled muzzle-loading (RML) weapons. The 229 mm and 160 mm guns were situated on the gun deck while the 200 mm guns were positioned on the main deck. In 1883 Numancia was rearmed with eight Armstrong-Whitworth 254-millimeter (10 in) RML guns and seven 200 mm RMLs. When the ship was refitted in France in 1896–1898, her armament was changed to six Hontoria 160 mm and eight Canet 140-millimeter (5.5 in) rifled breech-loading guns and a pair of 354-millimeter (14 in) torpedo tubes.
Numancia had a complete wrought iron waterline belt of 130-millimeter (5.1 in) armor plates. Above the belt, the guns were protected by a 120-millimeter (4.7 in) strake of armor that extended the length of the ship. The deck was unarmored.
Construction and career
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