Foca 1917
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Foca (ex-F19) | Fiat-San Giorgio, La Spezia, Italy | 1915 | 18/4/1917 | 1917 | discarded 1935 | |
| Golfinho (ex-F20) | Fiat-San Giorgio, La Spezia, Italy | 1915 | 1917 | 1917 | discarded 1934 | |
| Hidra (ex-F21) | Fiat-San Giorgio, La Spezia, Italy | 1915 | 9/8/1917 | 1917 | discarded 1935 |
|
Displacement standard, t |
|
|
Displacement normal, t |
262 / 382 |
|
Length, m |
45.6 |
|
Breadth, m |
4.20 |
|
Draught, m |
3.10 mean 3.20 max |
|
No of shafts |
2 |
|
Machinery |
Fiat diesels / electric motors |
|
Power, h. p. |
550 / 400 |
|
Max speed, kts |
14.2 / 8.2 |
|
Fuel, t |
diesel oil 14 |
| Endurance, nm(kts) | 3500(8.5) / 100(4) |
|
Armament |
2 - 450 TT (bow, 4) |
|
Complement |
21 |
| Diving depth operational, m | 40 |
Ship project history: Laurenti-Fiat type, enlarged Espadarte with better endurance. Sister-ships of Spanish submarines of A (Narciso Monturiol) class.
Modernizations: None.
Naval service: No significant events.
Golfinho 1917
© Ivan Gogin, 2011