NAVYPEDIA

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Javarí			Vickers, Barrow, UK	24.8.1912	17.6.1913	11.1913 // 8.1914	never commissioned, transferred to United Kingdom (Humber)
Solimões			Vickers, Barrow, UK	24.8.1912	19.8.1913	1.1914 // 8.1914	never commissioned, transferred to United Kingdom (Severn)
Madeira			Vickers, Barrow, UK	24.8.1912	30.9.1913	2.1914 // 8.1914	never commissioned, transferred to United Kingdom (Mersey)

Technical data

Displacement normal, t	1260
Displacement full, t	1520
Length, m	81.3
Breadth, m	14.9
Draught, m	1.70 deep
No of shafts	2
Machinery	2 VTE, 2 boilers
Power, h. p.	1450
Max speed, kts	9.5
Fuel, t	coal 187 + oil 90
Endurance, nm(kts)	4000(8)
Armour, mm	belt: 76 - 38, bulkheads: 38, barbette: 89, turret face: 102
Armament	1 x 2 - 152/50 Vickers R, 2 x 1 - 120/18 Mk I howitzers, 4 x 1 - 47/50 3pdr Vickers, 6 x 1 - 7.7/87
Complement	140

Standard scale images

Project history

Three small river monitors had been ordered by Brazil from Vickers in January 1912, and the first, Javary, had started trials in October 1913. All three were ready by February 1914, but by this time the Brazilian Navy could not afford to pay for them and they were laid up in the Devonshire Dock at Barrow awaiting a buyer. Just before the outbreak of war the Admiralty made arrangements to buy them for £155,000 each to prevent them from falling into enemy hands, and they were formally taken over on 3 August 1914. Although nominally capable of 12kts none of them achieved double figures in RN service, although Javary had reached 11.5kts in 1913. They were totally unsuited to operate in the open sea, as their shallow draught permitted them to be blown sideways.

Protection

Machinery and magazine were protected by 76-38mm belt and 38mm bulkheads.