NAVYPEDIA

Photo

Paraná 1918

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Rosario		811	Armstrong, Tyne, UK	8.1907	27.7.1908	6.1909	stricken 7.1959
Paraná		812	Armstrong, Tyne, UK	9.1907	28.4.1908	6.1909	stricken 9.1956

Technical data

Displacement normal, t	709
Displacement full, t	1055
Length, m	73.1 pp 76.4 oa
Breadth, m	9.80
Draught, m	2.13 normal 4.30 max
No of shafts	2
Machinery	2 VTE, 2 Yarrow boilers
Power, h. p.	1300
Max speed, kts	14.5
Fuel, t	coal 160
Endurance, nm(kts)	1000(8)
Armour, mm	belt: 76, bulkheads: 38, magazines: 51, deck: 25, CT: 76
Armament	2 x 1 - 152/13 howitzers, 6 x 1 - 76/40 Armstrong N, 8 x 1 - 7.7/94
Complement	145

Standard scale images

Graphics

Project history

Armoured shallow-draught gunboats, original "argument" of Argentina in dispute on internal river borders with Brazil and Uruguay. Intended for patrol on frontier rivers Parana and Uruguay and supports of troops ashore in case of the conflict. Competition on building, declared by Argentina government in 1905, was benefited by Armstrong, the contract was concluded in June, 1907. Cost of one ship was 81445£

Gunboats had hull with a forecastle and a poop and ram. Freeboard height amidships was 2m. On trials Parana made 15kts, Rosario 15.25kts.

Ship protection

Protection was ensured by Krupp-steel belt, covering only machinery and closed by 38mm bulkheads; magazines were protected by 51mm nickel-steel armour.

Modernizations

early 1930s, both: + 2 x 1 - 40/39 2pdr QF Mk II

late 1940s, both: + 2 x 1 - 40/39 Mk VIII

Naval service

No significant events.