The ''Cabral-class'' ironclads were a pair of iron-hulled, armored
corvette
A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the slo ...
s originally ordered by Paraguay in 1864, but were sold to Brazil when Paraguay defaulted on the payments. Configured as
central-battery ironclad
The central battery ship, also known as a centre battery ship in the United Kingdom and as a casemate ship in European continental navies, was a development of the (high-freeboard) broadside ironclad of the 1860s, given a substantial boost due t ...
s, they served during the 1864–70
Paraguayan War
The Paraguayan War, also known as the War of the Triple Alliance, was a South American war that lasted from 1864 to 1870. It was fought between Paraguay and the Triple Alliance of Argentina, the Empire of Brazil, and Uruguay. It was the deadlies ...
between Brazil, Argentina and
Uruguay
Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...
against
Paraguay
Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to t ...
.
Design and description
The ships were long, had a
beam of and
draft
Draft, The Draft, or Draught may refer to:
Watercraft dimensions
* Draft (hull), the distance from waterline to keel of a vessel
* Draft (sail), degree of curvature in a sail
* Air draft, distance from waterline to the highest point on a vesse ...
s of . They
displaced . The ''Cabral'' class had a pair of
steam engine
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be ...
s, each driving one propeller. The engines produced a total of and gave the ships a maximum speed of . Their crew consisted of 125 officers and enlisted men.
[Lyon, p. 406]
''Cabral'' was armed with two
70-pounder Whitworth rifled muzzle-loading guns and two
smoothbore
A smoothbore weapon is one that has a barrel without rifling. Smoothbores range from handheld firearms to powerful tank guns and large artillery mortars.
History
Early firearms had smoothly bored barrels that fired projectiles without signi ...
68-pounder gun
The 68-pounder cannon was an artillery piece designed and used by the British Armed Forces in the mid-19th century. The cannon was a smoothbore muzzle-loading gun manufactured in several weights, the most common being , and fired projectiles of ...
s, while ''Colombo'' had four
120-pounder Whitworth guns. The ships had a complete
waterline
The waterline is the line where the hull of a ship meets the surface of the water. Specifically, it is also the name of a special marking, also known as an international load line, Plimsoll line and water line (positioned amidships), that indi ...
belt
Belt may refer to:
Apparel
* Belt (clothing), a leather or fabric band worn around the waist
* Championship belt, a type of trophy used primarily in combat sports
* Colored belts, such as a black belt or red belt, worn by martial arts practiti ...
of
wrought iron
Wrought iron is an iron alloy with a very low carbon content (less than 0.08%) in contrast to that of cast iron (2.1% to 4%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which give it a wood-like "grain" ...
that ranged in thickness from amidships to at the ends of the ship.
[
]
Ships
See also
* List of ironclads
The list of ironclads includes all steam-propelled warship (supplemented with sails in various cases) and protected by iron or steel armor plates that were built in the early part of the second half of the 19th century, between 1859 and the e ...
Footnotes
References
*
*
{{DEFAULTSORT:Cabral-class ironclad
Ironclad warships of the Brazilian Navy
Corvettes of the Brazilian Navy