NAVYPEDIA

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Rio Tâmega			Laird, Birkenhead, UK		1875	1875	discarded 1909
Rio Sado			Laird, Birkenhead, UK		1875	1875	discarded 1921

Technical data

Displacement normal, t	635
Displacement full, t
Length, m	45.4 pp
Breadth, m	8.62
Draught, m	3.20
No of shafts	1
Machinery
Power, h. p.	500
Max speed, kts	11
Fuel, t	coal 90
Endurance, nm(kts)
Armament	1 x 1 - 178/16 Armstrong 6.5-ton MLR, 4 x 1 - 121/14 Armstrong 40pdr 1.32-ton MLR
Complement	109

Project history

Composite hull colonial gunboats.

Modernizations

1890s, both: - 1 x 1 - 178/16, 4 x 1 - 121/14; + 2 x 1 - 105/32 K.10.5/35, 2 x 1 - 65/40 H(tr)65/40, 1 x 1 - 37/20 H(tr)37/23

Naval service

No significant events.