Lycoming O-480 Explained
The Lycoming GO-480 is a family of six-cylinder, horizontally opposed fixed-wing aircraft engines of 479.6 cubic inch (7.86 L) displacement, made by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-320.
Design and development
GO-480 series engines are installed on a number of different aircraft types. Their main competitive engines are the Continental IO-520 and IO-550 series.
Variants
All engines have an additional prefix preceding the 480 to indicate the specific configuration of the engine. Although the series is known as the "O-480", there are only geared engines in the series.[1] [2] There are also numerous engine suffixes, denoting different accessories such as different manufacturers' carburetors, or different magnetos.
- GO-480
Normally aspirated Opposed engine, equipped with a carburetor and Gearbox at the front end of the crankshaft to drive the propeller at a lower RPM than the engine.
- GSO-480
Supercharger driven by the engine, gearbox to drive propeller, and equipped with a carburetor. Designated the O-480-1 by the US military.[3]
- IGSO-480
Supercharger driven by the engine, gearbox to drive propeller, with fuel Injection. Designated the O-480-3 by the US military.[3]
- IGO-480
Gearbox to drive propeller, normally aspirated with fuel injection.[3] Applications
Notes and References
- http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/0af77afe525ae7868525670e00537965/$FILE/E-275.pdf FAA GO-480 Series Type Certificate.
- http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/f5a16a0263d426ff8525670e0053b056/$FILE/E-284.pdf FAA Lycoming GSO-480 Series Type Certificate.
- https://archive.today/20121220014221/http://home.comcast.net/~aeroengine/Lycoming2.html Page listing all variants of the Lycoming O-480 series.
