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User:Buster40004/Sandbox/Projects/Hiro Type 90

From Wikipedia, the free encyclopedia

The Hiro Type 90 was a twelve cylinder W-type engine with a bore of 135 mm. and a stroke of 160 mm. for a capacity of 27.5 litres. It appeared first in 1931 under the designation of Type 91, and had a rated power of 600 h.p. and a maximum power output of 750 h.p. The engine was installed in flying boats, sea reconnaissance aircraft with a crew of three, and in shipborne bombers.

Since in the course of further development sufficiently powered radial engines were produced, the production of liquid cooled in-line types gradually subsided in favor of the twin-row air-cooled radial.

Hiro Type 90
Type W-type liquid cooled aircraft engine
National origin Japan
Manufacturer Hiro Naval Arsenal
First run 1931

Specifications (Hiro Type 90)

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Data from Flight

General characteristics

Components

  • Cooling system: Liquid

Performance

  • Power output: 600 to 750hp

References

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FLIGHT July 16, 1942 page 72

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