Tupi 1938
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Tupi (ex-Neghelli) | T1 | Tosi, Taranto, Italy | 1936 | 28.11.1936 | 10/1937 | stricken 8.1959 | |
| Timbira (ex-Gondor) | T2 | Tosi, Taranto, Italy | 11/1936 | 30.12.1936 | 10/1937 | stricken 8.1959 | |
| Tamoio (ex-Ascianghi) | T3 | Tosi, Taranto, Italy | 6/1936 | 14.2.1937 | 10/1937 | stricken 8.1959 |
|
Displacement standard, t |
615 |
|
Displacement normal, t |
674 / 853 |
|
Length, m |
60.2 |
|
Breadth, m |
6.45 |
|
Draught, m |
3.70 mean |
|
No of shafts |
2 |
|
Machinery |
2 Fiat diesels / 2 electric motors |
|
Power, h. p. |
1400 / 800 |
|
Max speed, kts |
14 / 7.5 |
|
Fuel, t |
diesel oil 47 |
| Endurance, nm(kts) | 2150(8.5) / 72(4) |
|
Armament |
1 x 1 - 100/47 OTO 1931-38, 2 x 2 - 13.2/76, 6 - 533 TT (4 bow, 2 stern, 12) |
| Electronic equipment | hydrophone |
|
Complement |
33 |
| Diving depth operational, m | 80 |
Project history: Laid down for Italian Navy as Neghelli, Gondar and Ascianghi, sold to Brazil 10.3.1937 being outfitted. Medium submarines of so-called "600t" type (4th series). Single-hulled, with bulges. Boats were accepted by Brazilian crews at La Spezia 10.10.1937, arrived Rio de Janeiro 14.3.1938. Hull numbers were T1-3.
Modernizations: None.
Naval service: Tupi was damaged 14.12.1938 by battery explosion. Timbira 8.10.1943 was wrongly attacked by aircraft, received air bomb hit to CT, lost some person, including commander.
Tupi 1937
Timbira 1952
© Ivan Gogin, 2011-15