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fighting ships of the world

BRAZILIAN NAVY (BRAZIL)

SUBMARINES

HUMAITÁ submarine (1929)

Humaitá 1930

Name No Yard No Builder Laid down Launched Comp Fate
Humaitá     OTO, Livorno, Italy 11/1925 11.6.1927 7/1929 stricken 11.1950

 

Displacement standard, t

 

Displacement normal, t

1450 / 1884

Length, m

86.7

Breadth, m

7.77

Draught, m

4.26

No of shafts

2

Machinery

2 Ansaldo diesels / 2 Savigliano electric motors

Power, h. p.

4000 / 1000

Max speed, kts

18.5 / 10

Fuel, t

diesel oil
Endurance, nm(kts) 12840(10)/ 120(4)

Armament

1 x 1 - 120/41 Ansaldo, 2 x 1 - 13.2/76, 6 - 533 TT (4 bow, 2 stern, 12), 16 mines

Complement

61

Diving depth operational, m 100

Project history: Submarine cruiser, ordered in 1925 on the means obtained from sale of battleship Deodoro to Mexico. Improved variant of Italian Balilla class. Twin-hulled. For endurance increase two 425hp Fiat auxiliary diesels-generators were installed for battery recharging. Submarine was arranged by folding bow diving planes. Besides torpedoes, Humaitá carried 16 Ansaldo mines, placing in two horizontal tubes at aft end. 120mm/41 gun originally took place in rotating turret in front of a fin, but soon after commission was rearranged to deck. Building of Humaitá has been ended in the late 1927, but submarine was remained on the shipyard on one and a half year because of a protraction of ultimate payment by Brazilian party.

Modernizations: None.

Naval service: No significant events.

Humaitá 1929

© Ivan Gogin, 2011-15