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FIGHTING SHIPS OF THE WORLD
ITALY
SUBMARINES
BALILLA large submarines (1928 - 1929)


Photo



Domenico Millelire 1928

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Balilla     OTO, Muggiano 1.1925 20.2.1927 7.1928 hulk 4.1941
Domenico Millelire     OTO, Muggiano 1.1925 19.9.1927 8.1928 hulk 4.1941
Antonio Sciesa     OTO, Muggiano 10.1925 12.8.1928 4.1929 scuttled 12.11.1942
Enrico Toti     OTO, Muggiano 1.1925 14.4.1928 9.1928 laid up 4.1943


Technical data


Displacement standard, t1368
Displacement normal, t

1427 / 1874

Length, m

86.5

Breadth, m

7.80

Draught, m

4.70

No of shafts

2

Machinery

2 Fiat diesels + 1 auxiliary Fiat diesel / 2 Savigliano electric motors

Power, h. p.

4900 + 425 / 2200

Max speed, kts

16 / 7

Fuel, t

diesel oil 140

Endurance, nm(kts)13000(7) / 110(3)
Armament

1 x 1 - 120/27 OTO 1924, 2 x 1 - 13.2/76, 6 - 533 TT (4 bow, 2 stern, 16), 4 mines

Antonio Sciesa: 1 x 1 - 120/27 OTO 1924, 2 x 1 - 13.2/76, 6 - 533 TT (4 bow, 2 stern, 16)

Electronic equipmentpresumably hydrophone
Complement

77

Diving depth operational, m90


Graphics


<i>Domenico Millelire</i> 1928
Domenico Millelire 1928


Project history

Cruiser submarines for service in Red sea and Indian ocean. Design was developed by builder on the basis of ex-German submarine U120, received by Italy after First World War. Double-hulled. For endurance increase auxiliary 425hp diesel was entered into machinery structure for battery recharging and cruising speed. Originally the gun was placed on CT. In 1934 for raise of stability the gun was moved from CT to a deck. To lacks of this class it is possible to refer low stability and inability to reach a designed speed (17.5/8.9kts).

Modernizations

1934, all: - 1 x 1 - 120/27, 2 x 1 - 13.2/76; + 1 x 1 - 120/45 OTO 1931, 2 x 2 - 13.2/76

Naval service

Too large for service in Mediterranean sea Balilla and Domenico Millelire in April, 1941 were disarmed and used as oil hulks. Enrico Toti and Antonio Sciesa since 1942 served as transport submarines for supply of troops in Africa. Antonio Sciesa was damaged 6.9.1942 at Tobruk by American aircraft and scuttled by crew 12.11.1942. Enrico Toti was disarmed 1.4.1943.