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Lycoming R-680

The Engine Specifications
The R-680 was Lycoming's first aircraft engine.  Introduced in 1929, the R-680 was very reliable and stayed in production until after World War II.  Over 26,000 were built.
Radial piston engine
Nine cylinders
Displacement: 681 cubic inches (11.15 liters)
Models Used by
R-680-9: 295 hp (220 kW)
R-680-13: 280 hp (209 kW)
R-680-17: 220 hp (164 kW)
Cessna AT-8 Bobcat
Curtiss-Wright AT-9 Fledgling
Stearman PT-13 Kaydet
Stinson Reliant
Related Pages
More about Lycoming

page updated 28 March 2003



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Kenneth W Shanaberger 2000 - 2010