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Aircraft engines produced by the British company of Napier & Son.

v t e Napier aero engines
Piston engines	Cub Culverin Dagger Javelin Lion Rapier Sabre
Turboprop / Turboshaft	Coupled Naiad Eland Gazelle Naiad
Turbo-compound	Nomad
Gas-generator	Oryx
Rocket	Scorpion