Italian submarine Pier Capponi

History
Kingdom of Italy
NamePier Capponi
BuilderCantieri navali Tosi di Taranto, Taranto
Laid down27 August 1925
Launched19 June 1927
Completed1929
Commissioned19 January 1929
FateSunk by HMS Rorqual, 31 March 1941
General characteristics
TypeMameli-class submarine
Displacement
  • 823 t (810 long tons) (surfaced)
  • 1,009 t (993 long tons) (submerged)
Length64.6 m (212 ft)
Beam6.51 m (21 ft 4 in)
Draft4.3 m (14 ft 1 in)
Installed power
  • 1,550 bhp (1,160 kW) (diesels)
  • 550 hp (410 kW) (electric motors)
Propulsion
Speed
  • 15 knots (28 km/h; 17 mph) (surfaced)
  • 8 knots (15 km/h; 9.2 mph) (submerged)
Range
  • 4,360 nmi (8,070 km; 5,020 mi) at 8 knots (15 km/h; 9.2 mph) (surfaced)
  • 110 nmi (200 km; 130 mi) at 3 knots (5.6 km/h; 3.5 mph) (submerged)
Test depth90 m (300 ft)
Armament

Pier Capponi was one of four Mameli-class submarines built for the Regia Marina (Royal Italian Navy) during the 1920s.