Nakajima Kotobuki
| Kotobuki | |
|---|---|
| Type | Piston aircraft engine |
| Manufacturer | Nakajima Aircraft Company |
| Major applications | Mitsubishi A5M |
The Nakajima Ha1 Kotobuki (寿, "Longevity") was an aero-engine developed by Nakajima. It was a radial piston developed under licence from the Bristol Jupiter.