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Mitsubishi Kinsei

From Wikipedia, the free encyclopedia

Kinsei
Type Piston aircraft engine
National origin Japan
Manufacturer Mitsubishi Heavy Industries
First run 1934
Major applications Aichi D3A
Yokosuka D4Y3-D4Y4
Kawasaki Ki-100
Number built 12,228
Developed from Pratt & Whitney R-1690 Hornet
Developed into Mitsubishi Zuisei, Mitsubishi Kasei, Ha-43(Ha-211)

The Mitsubishi Kinsei (金星, Venus) was a 14-cylinder, air-cooled, twin-row radial aircraft engine developed by Mitsubishi Heavy Industries in Japan in 1934 for the Imperial Japanese Navy. The Mitsubishi model designation for this engine was A8 while it was an experimental project; in service, it was known as the MK8 "Kinsei" by the Navy. In the middle of the war, the engine was adopted by Army, so it got designation Ha-112.[1] Its unified designation code was Ha-33.

Design

Cylinder and detail design was based on the single-row, 9-cylinder air-cooled Pratt and Whitney R-1690 Hornet, but underwent numerous modifications and improvements.[2]

Variants

3
910 hp (680 kW)
3 Kai
910 hp (680 kW)
Model 41
1,075 hp (802 kW)
Model 42
1,075 hp (802 kW)
Model 43
1,000–1,080 hp (750–810 kW)
Model 44
1,000–1,075 hp (746–802 kW)
Model 45
1,075 hp (802 kW)
Model 46
1,070 hp (800 kW)
Model 48
1,080 hp (810 kW)
Model 51
1,300 hp (970 kW)
Model 53
1,300 hp (970 kW)
Model 54
1,200–1,300 hp (890–970 kW)
Model 62
1,560 hp (1,160 kW)

Applications

Specifications (Kinsei-44)

Data from Jane's.[3]

General characteristics

  • Type: 14-cylinder air-cooled twin-row radial engine
  • Bore: 140 mm (5.5 in)
  • Stroke: 150 mm (5.9 in)
  • Displacement: 32.3 L (1,970 cu in)
  • Length: 1,646 mm (64.8 in)
  • Diameter: 1,218 mm (48.0 in)
  • Dry weight: 545 kg (1,202 lb)

Components

  • Valvetrain: Overhead valve, one inlet and one exhaust valve per cylinder, pushrod operated.
  • Supercharger: Centrifugal, single speed.
  • Oil system: Triple section pump, one pressure pump, two scavenge pumps.
  • Cooling system: Air-cooled
  • Reduction gear: Planetary gear, 0.7:1 ratio.

Performance

See also

Related development

Comparable engines

Related lists

References

Notes

  1. ^ Gunston 1989, p.104.
  2. ^ Peattie, p. 308
  3. ^ Jane's 1989, p.298.

Bibliography

  • Goodwin, Mike & Starkings, Peter (2017). Japanese Aero-Engines 1910-1945. Sandomierz, Poland: MMPBooks. ISBN 978-83-65281-32-6.
  • Matsuoka Hisamitsu, Nakanishi Masayoshi. The History of Mitsubishi Aero Engines 1915–1945. Miki Press, Japan, 2005. ISBN 4-89522-461-9
  • Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7
  • Peattie, Mark R., Sunburst: The Rise of Japanese Naval Air Power 1909-1941, Annapolis, Maryland: Naval Institute Press, 2001, ISBN 1-55750-432-6
This page was last edited on 1 March 2021, at 06:41
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