Turbo-compound engine
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A turbo-compound engine is a reciprocating engine that uses a turbine to recover energy from the exhaust gases and return it as mechanical power to the engine. Instead of using that energy to drive a
The Napier Nomad II engine. The power-recovery 3-stage turbine sits underneath and to the rear of a two-stroke diesel engine.
A Wright R-3350 Duplex-Cyclone Turbo-Compound radial engine. A power recovery turbine with silver blades is shown in slight center left.
Napier Nomad
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The Napier Nomad is a British diesel aircraft engine designed and built by Napier & Son in 1949. They combined a piston engine with a turbine to recover energy from the exhaust and thereby improve fue
Turbo-compound engine
…transmitted to the crankshaft to increase the total power delivered by the engine. Major aircraft examples include the Wright R-3350 Duplex-Cyclone and the Napier Nomad. As this recovery process does not increase fuel consumption, it has the effect of reducing the specific fuel consumption, the ratio of fuel use to…
Napier Nomad II
Napier Nomad 1
Front three-quarter view of a Nomad II