| 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 |
|
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.
© Ivan Gogin, 2014