Ha-3-class submarine

Japanese submarine Ha-3, in August 1911
Class overview
NameHa-3 class
BuildersVickers, Barrow-in-Furness, UK
Operators Imperial Japanese Navy
Preceded byHa-1 class
Succeeded byHa-7 class
In commission1911–1929
Completed3
Retired3
General characteristics
TypeSubmarine
Displacement
  • 291 long tons (296 t) surfaced
  • 326 long tons (331 t) submerged
Length43.3 m (142 ft 1 in)
Beam4.14 m (13 ft 7 in)
Draft3.43 m (11 ft 3 in)
Installed power
  • 600 hp (450 kW) (gasoline engines)
  • 300 hp (220 kW) (electric motors)
Propulsion
Speed
  • 12 knots (22 km/h; 14 mph) surfaced
  • 7 knots (13 km/h; 8.1 mph) submerged
Range
  • 660 nmi (1,220 km; 760 mi) at 12 knots (surfaced)
  • 60 nmi (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Test depth30.5 m (100 ft)
Complement26 officers and enlisted
Armament

The Ha-3-class submarine (波三型潜水艦, Ha-san-gata sensuikan) was an early class of submarines of the Imperial Japanese Navy.

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