Bengo 1918
Beira 1940
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Beira | ER de Lisboa | 1910 | 1910 | survey ship 1936 | |||
| Ibo | ER de Lisboa | 1911 | 1911 | survey ship 1948 | |||
| Mandovi | ER de Lisboa | 1917 | 1917 | survey ship 1945 | |||
| Bengo | ER de Lisboa | 1917 | 1917 | discarded 1933 | |||
| Quanza | ER de Lisboa | 1917 | 1917 | discarded 1933 |
|
Displacement standard, t |
397 |
|
Displacement full, t |
492 |
|
Length, m |
45.0 |
|
Breadth, m |
8.30 |
|
Draught, m |
2.10 |
|
No of shafts |
2 |
|
Machinery |
Beira, Ibo: 2 VTE, 2 cylindrical boilers Mandovi, Bengo, Quanza: 2 VTE, 2 Yarrow boilers |
|
Power, h. p. |
700 |
|
Max speed, kts |
13 |
|
Fuel, t |
coal 85 |
| Endurance, nm(kts) | 3200(9) |
|
Armament |
2 x 1 - 47/40 H(tr)47/43 |
|
Complement |
51 |
Project history: Small colonial gunboats, built at Lisbon. Ships of first series had cylindrical boilers, following had Yarrow boilers. Ships of first two series were repeatedly rearmed.
Modernizations: 1917-1920, Beira: + 1 x 1 - 87/21 K.87/24, 1 x 1 - 65/40 H(tr)65/40
1917-1920, Ibo, Mandovi: + 1 x 1 - 76/40 A(tr)76/40, 2 x 1 - 57/40 H(tr)57/43
1917-1920, Bengo: + 1 x 1 - 87/21 K.87/24, 2 x 1 - 47/40 H(tr)47/43
1917-1920, Quanza: - 2 x 1 - 47/40; + 2 x 1 - 76/40 A(tr)76/40
early 1930s, Ibo: - 1 x 1 - 76/40, 2 x 1 - 57/40; + 2 x 1 - 76/50 Mk 2.3.5
early 1930s, Mandovi: - 1 x 1 - 76/40, 2 x 1 - 57/40; + 2 x 1 - 47/40 H(tr)47/43
Naval service: Beira in 1936 was converted to survey vessel, after war also Mandovi (in 1945) and Ibo (in 1948) were so converted.
Beira 1930s
© Ivan Gogin, 2011-15