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Hercules Aircraft Engine


Photograph of Hercules aircraft engine

Wikipedia Commons

The Bristol Hercules was an air-cooled radial aircraft engine with fourteen cylinders. Derived from the Perseus, it had a bore of 5.75 inches (146mm) and stroke of 6.5 inches (165mm) and used sleeve valves, which made for a relatively quiet engine.

Model
Horsepower
Wattage
Notes
XI
1500 hp
1118 kW

XVI
1670 hp
1245 kW

Aircraft using this engine included the Beaufighter and Wellington.

References
Gunston (2006)


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