ARA Rivadavia was an Argentine battleship built during the South American dreadnought race. Named after the first Argentine president, Bernardino Rivadavia, it was the lead ship of its class. Moreno was Rivadavia’s only sister ship.

General Characteristics

Class and type: Rivadavia-class battleship
Displacement:
27,500 long tons (27,900 t) standard,
30,100 long tons (30,600 t) full load
Length:
594 ft 9 in (181.28 m) oa,
585 ft (178 m) pp
Beam: 98 ft 4.5 in (29.985 m)
Draft: 27 ft 8.5 in (8.446 m)
Propulsion:
3-shaft, Curtis geared turbines,
18 Babcock & Wilcox boilers;
40,000 shp (29,828 kW)
Speed: 22.5 knots (25.9 mph; 41.7 km/h)
Range:
7,000 nautical miles (8,100 mi; 13,000 km) at 15 knots (17 mph; 28 km/h)
11,000 nautical miles (13,000 mi; 20,000 km) at 11 knots (13 mph; 20 km/h)
Armament:
12 × 12 inch (305 mm)/50 guns
12 × 6 inch (152 mm)/50 guns
16 × 4 inch (102 mm) guns
2 × 21 inch (533 mm) torpedo tubes
Armor:
Belt: 12–10 inches (300–250 mm)
Turrets: 12 inches (305 mm)
Casemates: 91/3–61/5 inches (238–159 mm)
Conning tower: 12 inches (300 mm)

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