Comandante Faà di Bruno, also referred to by its shortened name Faà di Bruno, was a built for the Royal Italian Navy (Regia Marina) in the 1930s. It was sunk in 1940 by British and Canadian destroyers escorting a convoy.
Design and description
The Marcello-class submarines were designed as improved versions of the preceding . They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of .
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 Marcello class had a range of at , submerged, they had a range of at .
The boats were armed with eight internal torpedo tubes, four each in the bow and stern. One reload were stowed for each tube, which gave them a total of sixteen torpedoes. They were also armed with two guns and four machine guns for combat on the surface.
Construction and career
It was sunk on 8 November 1940 by a combined effort from the destroyers of the Royal Canadian Navy, and of the Royal Navy after attacking Convoy HX 84 they were defending.