Italian submarine Argonauta (1931)
Argonauta was the lead ship of her class of seven submarines built for the  (Royal Italian Navy) during the early 1930s.

Design and description
The Argonauta class was derived from the earlier s. They displaced  surfaced and  submerged. The submarines were  long, had a beam of  and a draft of . They had an operational diving depth of . Their crew numbered 44 officers and enlisted men.

For surface running, the boats were powered by two  diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a  electric motor. They could reach  on the surface and  underwater. On the surface, the Settembrini class had a range of  at ; submerged, they had a range of  at .

The boats were armed with six  torpedo tubes, four in the bow and two in the stern for which they carried a total of 12 torpedoes. They were also armed with a single  deck gun forward of the conning tower for combat on the surface. Their anti-aircraft armament consisted of two single  machine guns.

Construction and career
Argonauta was laid down by Cantieri Riuniti dell'Adriatico at their Monfalcone shipyard in 1929, launched on 19 January 1931 and completed the following year.

Notes

References

External links
 Sommergibili Marina Militare website

Argonauta-class submarines
World War II submarines of Italy
1931 ships
Ships built by Cantieri Riuniti dell'Adriatico