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RIO TÂMEGA gunboats (1875)


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, t635
Displacement full, t 
Length, m

45.4 pp

Breadth, m8.62
Draught, m3.20
No of shafts1
Machinery 
Power, h. p.

500

Max speed, kts

11

Fuel, t

coal 90

Endurance, nm(kts) 
Armament1 x 1 - 178/16 Armstrong 6.5-ton MLR, 4 x 1 - 121/14 Armstrong 40pdr 1.32-ton MLR
Complement109


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.