Hikari
Type Piston aircraft engine
Manufacturer Nakajima Aircraft Company
Major applications Aichi D1A
Developed from Nakajima Kotobuki

The Nakajima Hikari (Japanese: 光 "Light") was a nine-cylinder, air-cooled, radial aircraft engine developed in Japan for Navy use during World War II by the Nakajima Aircraft Company. It was a development of the Nakajima Kotobuki and Wright Cyclone. In Army use it was known as the Ha20.

Variants

Hikari 1
820 hp (610 kW)
Hikari 1 kai
670–730 hp (500–540 kW)
Hikari 2
750–840 hp (560–630 kW)
Hikari 3
770 hp (570 kW)

Applications

Specifications

General characteristics

  • Type: 9-cylinder air-cooled radial aircraft piston engine
  • Bore: 160 mm (6.3 in)
  • Stroke: 180 mm (7.1 in)
  • Displacement: 32.57 L (1,988 cu in)
  • Diameter: 1.375 mm

Components

  • Cooling system: Air-cooled

Performance

  • Power output: 820 hp (610 kW)

See also

Related development

Related lists

References

  • Goodwin, Mike & Starkings, Peter (2017). Japanese Aero-Engines 1910-1945. Sandomierz, Poland: MMPBooks. ISBN 978-83-65281-32-6.
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