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Ha-5 Aircraft Engine

The Nakajima Ha-5 was an air-cooled 14-cylinder radial engine using the same cylinder design as the Kotobuki but in a double row. It became the basis for the Ha-41 and Ha-109. The Ha-5 was adopted by the Japanese Army as the Type 97.

Model
Horsepower
Wattage
KAI
850 hp (nominal)
950 hp (takeoff)
1080 hp (13,125 feet)
625 kW (nominal)
698 kW  (takeoff)
794 kW (4000m)

The Ha-5 was used in the Ki-21 "Sally", Ki-30 "Ann", and Ki-57 "Topsy".

References

Classic Aeroplane Museum (accessed 2009-4-11)
Francillon (1979)

Goodwin and Starkings (2017)
Gunston (2006)



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