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Brazilian battleship Aquidabã

Aquidaba-2.jpg
Aquidabã seen prior to 1898, as the multiple masts have not been replaced yet
History
Naval Jack of Brazil.svgBrazil
Name: Aquidabã
Namesake: Aquidabán River
Builder: Samuda Brothers
Cost: £345,000 pound sterling
Launched: 17 January 1885
Nickname(s): Steel Lion
Fate: Sank in 1906 after powder magazine exploded
General characteristics
Type: Ironclad warship
Displacement: 5,029 tonnes (4,950 long tons; 5,544 short tons)
Length: 280.2 ft (85.4 m)
Beam: 52.03 ft (15.86 m)
Speed: 15.8 kn (29.3 km/h; 18.2 mph)
Range: 4,500 mi (7,200 km) at 10 knots (12 mph; 19 km/h)
Complement: 277
Armament:
  • 4 × 9.2 in (230 mm) guns (2 × 2)
  • 4 × 5.5 in (140 mm) guns (4 × 1)
  • 13 × 1 pounder guns (13 × 1)
  • 5 × 14 in (360 mm) torpedo tubes

Aquidabã (Portuguese: [akidaˈbɐ̃]), anglicized as Aquidaban, was a Brazilian ironclad battleship built in the mid-1880s. The ship participated in two naval revolts; during the second she was sunk by a government torpedo boat. After being refloated, Aquidabã was sent to Germany for repairs and modernization. During a routine cruise in 1906, the ship's ammunition magazines exploded, which caused the vessel to sink rapidly with a great loss of life.

Aquidabã was 280 ft (85 m) long, had a beam of 52 ft (16 m), and had a draft of 18 ft 4 in (5.59 m). The ship displaced 4,921 t (4,843 long tons; 5,424 short tons) and had a crew of 277 officers and enlisted men. She was powered by a two-shaft engine and eight boilers; this produced up to 6,500 ihp (4,800 kW) for a top speed of 15.8 kn (29.3 km/h; 18.2 mph). Fuel stores were initially 300 t (300 long tons; 330 short tons), though after refits this was increased to 800 t (790 long tons; 880 short tons).

Aquidabã's main armament consisted of four 9.2-inch (230 mm) guns mounted in two twin gun turrets, each of which was placed off the centerline, en echelon, with the forward turret offset to port and the aft turret to starboard. Secondary weapons included four 5.7-inch (140 mm) guns, two fore and two aft, and thirteen 1-pounder guns, all mounted in single emplacements. The ship was also equipped with five 14 in (360 mm) torpedo tubes; three were above-water tubes, while the remaining two were submerged in the hull of the ship. The ship was equipped with compound armor. The armored belt was 11 in (280 mm) thick in the central portion of the ship, where the most critical parts of the ship were located. This included machinery spaces and ammunition magazines. At either ends of the central section of the belt, thickness was reduced to 7 in (180 mm). The main battery turrets were protected with 7 in (180 mm) worth of armor, as was the conning tower.


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