Hiro Type 91 (engine)
| Hiro Type 91 |
| Type |
W-12 water-cooled piston engine |
| National origin |
Japan |
| Manufacturer |
Hiro Naval Arsenal]] |
| Developed from |
12Eb |
This page is about an engine. For the Hiro Type 91 flying boat, see Hiro H4H
The Hiro Type 91, (full designation Hiro Type 91 520hp water-cooled W-12), was a 12-cylinder, water-cooled, W engine developed for aircraft use by the Imperial Japanese Navy in the mid 1930s. Power was in the 450 kW (600 hp) range. Its design was inspired by the Lorraine-Dietrich 12Eb.
Specifications (Type 91 500hp-1)
General characteristics
- Type: 12-cylinder water-cooled W-block (3 banks of 4 cylinders) aircraft piston engine
- Bore: 135 mm
- Stroke: 160 mm
- Displacement: 27.5 L
Components
- Cooling system: Liquid-cooled
Performance
- Power output:
- 620 PS for takeoff
- 520 hp for max continuous
Applications
References
Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. pp. 74.
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| Engines designed and produced by Hiro |
Type 14 · Type 61 · Type 91 · Type 94
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