Cabral-class ironclad

The Cabral-class ironclads were a pair of iron-hulled, armored corvettes originally ordered by Paraguay in 1864, but were sold to Brazil when Paraguay defaulted on the payments. Configured as central-battery ironclads, they served during the 1864–70 War of the Triple Alliance between Brazil, Argentina and Uruguay against Paraguay.

A drawing of Cabral
Class overview
Name: Cabral
Builders: J. and G. Rennie, Millwall, London
Preceded by: Mariz e Barros class
Succeeded by: Sete de Setembro
Built: 1864–66
In service: 1866–85
Completed: 2
Scrapped: 2
General characteristics
Class and type: Armored corvette
Displacement: 1,033 long tons (1,050 t)
Length: 160 ft (48.8 m)
Beam: 35 ft 6 in (10.8 m)
Draft: 11.75–12.1 ft (3.6–3.7 m)
Installed power: 750 ihp (560 kW)
Propulsion: 2 shafts; 2 steam engines
Speed: 10.5 knots (19.4 km/h; 12.1 mph)
Armament:
Armor: Belt: 3–4.5 in (76–114 mm)

Design and description

The ships were 160 feet (48.8 m) long, had a beam of 35 feet 6 inches (10.8 m) and drafts of 11.75–12.1 feet (3.6–3.7 m). They displaced 1,033 long tons (1,050 t). The Cabral class had a pair of steam engines, each driving one propeller. The engines produced a total of 750 indicated horsepower (560 kW) and gave the ships a maximum speed of 10.5 knots (19.4 km/h; 12.1 mph). Their crew consisted of 125 officers and enlisted men.[1]

Cabral was armed with two 70-pounder Whitworth rifled muzzle-loading guns and two smoothbore 68-pounder guns, while Colombo had four 120-pounder Whitworth guns. The ships had a complete waterline belt of wrought iron that ranged in thickness from 114 millimeters (4.5 in) amidships to 76 millimeters (3.0 in) at the ends of the ship.[1]

Ships
Paraguayan name Brazilian name Namesake Builder[1] Laid down Launched Completed[1] Fate
Cabral J. and G. Rennie, Millwall, London 1866 Stricken, 1885
Colombo

Footnotes
  1. Gardiner, p. 406

References
  • Davis, William H. (1977). "Question 1/77". Warship International. XIV (2): 161–172. ISSN 0043-0374.
  • Gardiner, Robert, ed. (1979). Conway's All the World's Fighting Ships 1860–1905. Greenwich: Conway Maritime Press. ISBN 0-8317-0302-4.
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