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FRATELLI BANDIERA medium submarines (1930)


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Luciano Manara 1943    

Ships


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


Technical data


Displacement standard, t858 - 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 equipmenthydrophone
Complement

53

Diving depth operational, m90


Standard scale images


<i>Fratelli Bandiera </i>1940
Fratelli Bandiera 1940
<i>Ciro Menotti</i> 1941
Ciro Menotti 1941


Graphics


<i>Luciano Manara </i>1943    
Luciano Manara 1943    


Project history

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.

Modernizations

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

Naval service

Santore Santarosa grounded near Tripoli 20.1.1943, torpedoed by British MTB260 and later scuttled.