Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
---|---|---|---|---|---|---|---|
Fratelli Bandiera | CNT, Monfalcone | 2.1928 | 7.8.1929 | 9.1930 | discarded 2.1948 | ||
Luciano Manara | CNT, Monfalcone | 2.1928 | 5.10.1929 | 6.1930 | discarded 2.1948 | ||
Ciro Menotti | OTO, Muggiano | 5.1928 | 29.12.1929 | 8.1930 | discarded 2.1948 | ||
Santorre Santarosa | OTO, Muggiano | 5.1928 | 22.10.1929 | 7.1930 | scuttled 20.1.1943 |
Displacement standard, t | 858 - 866 |
---|---|
Displacement normal, t | 925 / 1080 |
Length, m | 69.8 |
Breadth, m | 7.30 |
Draught, m | 5.26 |
No of shafts | 2 |
Machinery | Fratelli Bandiera, Luciano Manara: 2 Tosi diesels / 2 Savigliano electric motors Ciro Menotti, Santorre Santarosa: 2 Fiat diesels / 2 Savigliano electric motors |
Power, h. p. | 3000 / 1300 |
Max speed, kts | 17.5 / 9 |
Fuel, t | diesel oil |
Endurance, nm(kts) | 4750(8.5) / 60(4) |
Armament | 1 x 1 - 102/35 Schneider-Armstrong 1914-15, 2 x 1 - 13.2/76, 8 - 533 TT (4 bow, 4 stern, 12) |
Electronic equipment | hydrophone |
Complement | 53 |
Diving depth operational, m | 90 |
Increased Pisani with more powerful engines, two additional TTs and hardly higher endurance. Single-hulled. They had an insufficient stability, for its correction soon after completion submarines received external bulges which have lowered speed from 17.5/9 to 15/8kts. Then in a fore end on an extent about 5m aft from a stem the deck was lengthened for seaworthiness improvement.
In 1942 Luciano Manara (and, probably, others) has passed refit, in which course received smaller CT.
1930 - 1931, all: bulges were fitted, max speed was 15 / 8 kts.
1942, Ciro Menotti: - 1 x 1 - 102/35; + 1 x 1 - 100/47 OTO 1938
Santore Santarosa grounded near Tripoli 20.1.1943, torpedoed by British MTB260 and later scuttled.