Nakajima Sakae
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The Nakajima Sakae (栄, "Prosperity") was a two-row, 14-cylinder air-cooled radial engine used in Japanese aircraft during World War II. "Sakae" was the navy designation; the army called the first of the series the Ha-25 (ハ25) and later versions were designated Ha105, Ha115. Navy designations were Sakae 10, 20 and 30 series.
A total of 21,166 were made by Nakajima; 9,067 were manufactured by other firms.
[edit] Variants
- NK1C Sakae 12 : 940 hp (701 kW)
- NK1F Sakae 21 : 1,130 hp (843 kW)
- NK1F Sakae 31 : 1,130 hp (843 kW)
[edit] Specifications (Sakae 21)
General characteristics
- Type: 14-cylinder air-cooled two-row radial engine
- Bore: 130 mm (5.1 in)
- Stroke: 150 mm (5.9 in)
- Displacement: 27.9 L (1,703 in³)
- Length: 1,425 mm (56.1 in)
- Diameter: 1,115 mm (43.9 in)
- Dry weight:
<h3>Components
- Cooling system: Air-cooled
<h3>Performance
- Power output: 1,130 hp (843 kW)
- Specific power: 30.2 kW/L (0.66 hp/in³)
- Power-to-weight ratio:
