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U42 submarine


Ships


Name No Yard No Builder Laid down Launched Comp Fate
U42     Fiat-San Giorgio, La Spezia-Muggiano, Italy 8.1913 8.8.1915 1915 // --- captured by Italy 1914, commissioned as Balilla


Technical data


Displacement standard, t

 

Displacement normal, t728 / 875
Length, m

65.0

Breadth, m

6.05

Draught, m

4.17

No of shafts

2

Machinery

2 FIAT diesels / 2 Savigliano electric motors

Power, h. p.

2600 / 900

Max speed, kts

14 / 9

Fuel, t

diesel oil

Endurance, nm(kts)3500(10) / 85(5)
Armament

2 x 1 - 76/30 Ansaldo 1913, 4 - 450 TT (2 bow, 2 stern)

Complement

38

Diving depth operational, m50


Project history

Ordered in Italy this Fiat-Laurenti type was ordered to obtain competitive knowledge especially on Fiat diesel technology. Due to the outbreak of the war the boat was not delivered, but taken over by the Italian Navy under the new name Balilla.