''Rio Grande do Sul'' was a built for the

Brazilian Navy ) , colors= Blue and white , colors_label= Colors , march= "Cisne Branco" ( en, "White Swan") (same name as training ship ''Cisne Branco'' , mascot= , equipment= 1 multipurpose aircraft carrier7 submarines6 frigates2 corvettes4 amphibious warf ...

in 1909–10.

Construction and commissioning

''Rio Grande do Sul'' was part of a large 1904 naval building program by Brazil.Cruzador Bahia – C 12/C 2
" , ''Navios de Guerra Brasileiros''. Retrieved 8 November 2012.Scheina, "Brazil," 403. Also planned as part of this were the two

dreadnought The dreadnought (alternatively spelled dreadnaught) was the predominant type of battleship in the early 20th century. The first of the kind, the Royal Navy's , had such an impact when launched in 1906 that similar battleships built after her ...

s, ten destroyers, three

submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...

s and a

submarine tender A submarine tender is a type of depot ship that supplies and supports submarines. Development Submarines are small compared to most oceangoing vessels, and generally do not have the ability to carry large amounts of food, fuel, torpedoes, and ...

.Scheina, ''Latin America's Wars'', 37. With a design that borrowed heavily from the British scout cruisers,Scheina, "Brazil," 405. ''Rio Grande do Sul''s

keel The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in Br ...

was laid in 1907 in Armstrong Whitworth's Elswick,

Newcastle upon Tyne Newcastle upon Tyne ( RP: , ), or simply Newcastle, is a city and metropolitan borough in Tyne and Wear, England. The city is located on the River Tyne's northern bank and forms the largest part of the Tyneside built-up area. Newcastle is ...

yard. Construction took about a year and a half, and she was launched on 20 April 1909 with Madame A. M. Gomez Ferraz being the sponsor on behalf of Her Excellency Senhora Dr. Carlos Barbosa. As a class, ''Bahia'' and ''Rio Grande do Sul'' were the fastest cruisers in the world when they were commissioned, and the first in the Brazilian Navy to utilize

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...

s for propulsion.

Gallery

File:Brazilian cruiser Rio Grande do Sul 1.jpg File:GLAM MB Cruzador Rio Grande do Sul (43931430200).jpg

Endnotes

References

* * Moore, John, ed. ''Jane's Fighting Ships of World War I''. London: Random House ane's Publishing Company 2001

919 __NOTOC__ Year 919 ( CMXIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By Place Byzantine Empire * March 25 – Romanos Lekapenos, admiral (''droungarios'') of the ...

. .
Rio Grande do Sul I
" ''Serviço de Documentação da Marinha – Histórico de Navios''. Diretoria do Patrimônio Histórico e Documentação da Marinha, Departamento de História Marítima. Accessed 27 January 2015. * Scheina, Robert L. "Brazil" in Robert Gardiner and Randal Gray, eds. ''Conway's All the World's Fighting Ships 1906–1921''.

Annapolis Annapolis ( ) is the capital city of the U.S. state of Maryland and the county seat of, and only incorporated city in, Anne Arundel County. Situated on the Chesapeake Bay at the mouth of the Severn River, south of Baltimore and about east o ...

Naval Institute Press The United States Naval Institute (USNI) is a private non-profit military association that offers independent, nonpartisan forums for debate of national security issues. In addition to publishing magazines and books, the Naval Institute holds se ...

, 1985. . . * Whitley, M.J. ''Cruisers of World War Two: An International Encyclopedia''. Annapolis: Naval Institute Press, 1995. . . {{DEFAULTSORT:Rio Grande do Sul Bahia-class cruisers Ships built by Armstrong Whitworth Ships built on the River Tyne 1909 ships World War I cruisers of Brazil World War II cruisers of Brazil