Giovanni Bausan was one of four s built for the (Royal Italian Navy) during the late 1920s. Due to her age, her usefulness was limited, and she saw no real service during the war. The submarine was decommissioned in 1942 and converted into an oil barge.
Design and description
Designed in parallel with the s, the Pisani class was larger accommodate more fuel and give them more range. 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 48 officers and enlisted men.Chesneau, p. 307
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 Pisani class had a range of at ; submerged, they had a range of at .Bagnasco, p. 141
The boats were armed with six torpedo tubes, four in the bow and two in the stern for which they carried a total of nine 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 machine guns.
Construction and career Giovanni Bausan was laid down by Cantiere Navale Triestino in their Trieste shipyard on 27 January 1926, launched on 24 March 1928, and completed on 15 September 1929.Fraccaroli, p. 127
Converted in 1942 into oil barge G.R.251 at Pola Naval Base for use in transportation of liquid fuels to Libya. Work continued when the collapse of Libyan front rendered her useless. Found at Brindisi during Italian armistice and sunk as target by the Allies off Barletta on June 9, 1944.• Ghiglino Marco, Le Bettoline ex sommergibili e i galleggianti Sportiello, Associazione Italian Documentazione Marittima e Navale Bolletino N.34, 2020 Notes
References
External links Giovanni Bausan Marina Militare website Regia Marina The Italian Navy in World War II