Lycoming O-480

The Lycoming O-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.

O-480
Type Piston aero-engine
National origin United States
Manufacturer Lycoming Engines
First run 1953
Major applications Dornier Do 27
Helio Courier
Utva 66
Produced 1954–1986 out of production
Developed from Lycoming O-320

Design and development

O-480 series engines are installed on a number of different aircraft types.[1] 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.[2][3] 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.[1]
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.[1]
IGSO-480
Supercharger driven by the engine, gearbox to drive propeller, with fuel Injection. Designated the O-480-3 by the US military.[1]
IGO-480
Gearbox to drive propeller, normally aspirated with fuel injection.[1]

Applications

Specifications (GSO-480-A1A6)

Data from FAA Type Certificate.[3]

General characteristics

Components

Performance

See also

Comparable engines

Related lists

References
  1. Page listing all variants of the Lycoming O-480 series. Retrieved on 10 January 2009.
  2. FAA GO-480 Series Type Certificate. Retrieved on 10 January 2009.
  3. FAA Lycoming GSO-480 Series Type Certificate. Retrieved on 10 January 2009.
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