Natsushima-class minelayer (1933)

Natsushima in 1933.
Class overview
Name: Natsushima-class minelayer
Builders:
Operators: Imperial Japanese Navy
Preceded by: Tsubame-class
Succeeded by: Sokuten-class
Subclasses:
  • Natsushima-class
  • Sarushima-class
Built: 19311934
In commission: 19331944
Planned: 3
Completed: 3
Lost: 3
General characteristics Natsushima-class
Type: Netlayer/Minelayer
Displacement: 475.8 long tons (483 t) standard
Length: 73.00 m (239 ft 6 in) overall
Beam: 7.50 m (24 ft 7 in)
Draught: 1.95 m (6 ft 5 in)
Propulsion:
  • 2 × triple expansion stages reciprocating engines
  • 2 × Kampon mix-fired boilers
  • 2 shafts, 2,300 shp
Speed: 19.0 knots (21.9 mph; 35.2 km/h)
Range: 2,500 nmi (4,600 km) at 14 kn (16 mph; 26 km/h)
Complement: 74
Armament:
  • 2 × 76.2 mm (3.00 in) L/40 AA guns
  • 1 × 13 mm AA guns
  • 120 × Type 89 naval mines or 18 × depth charges or 1 × Type 14 510 m anti-submarine net
General characteristics Sarushima-class
Type: Netlayer/Minelayer
Displacement: 566 long tons (575 t) standard
Length: 73.00 m (239 ft 6 in) overall
Beam: 7.49 m (24 ft 7 in)
Draught: 2.02 m (6 ft 8 in)
Propulsion: 2 × MAN Mk.2 Model 9 diesels, 2 shafts, 2,100 bhp
Speed: 18.0 knots (20.7 mph; 33.3 km/h)
Range: 4,639 nmi (8,591 km) at 14.4 kn (16.6 mph; 26.7 km/h)
Complement: 64
Armament: same as Natsushima-class

The Natsushima-class minelayer (夏島型敷設艇, Natsushima-gata Fusetsutei) was a class of minelayers of the Imperial Japanese Navy (IJN), serving during and after the 1930s through World War II. Their design was based on the Tsubame-class, but with increased armament.

Ships in class

Natsushima-class

Project number H5. 3 vessels were planned under the Maru 1 Programme, however, 3rd ship Sarushima was used to diesel engine experiment ship.

Natsushima (夏島)

Nasami (那沙美)

Sarushima-class

Project number H5B. She was built as diesel engine experiment ship. Her results were made use of in the Sokuten-class.

Sarushima (猿島)

Photos

Bibliography

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