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Photo Funday — the Napier Nomad II — diesel fuel in the jet age

18 September 2009

Photo Funday — a photo with an informative caption for the weekend

 

Napier Nomad II engine -- photo by Joe May

Napier Nomad II engine — photo by Joe May

 

Known as the most complex aircraft engine built, the Napier Nomad II is a diesel engine combined with a gas turbine engine. The turbine recovered power that otherwise would be lost from the diesel exhaust — if you will, a super turbocharger. Turboprops and turbojets advanced ahead of this design but few engines have matched the Napier’s low specific fuel consumption figures.

A note: this engine is located at the Smithsonian National Air & Space Museum Udvar-Hazy Complex.

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