The Lycoming O-480 is a family of six-
cylinder
A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base.
A cylinder may also be defined as an infin ...
,
horizontally opposed
A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, wh ...
fixed-wing aircraft
A fixed-wing aircraft is a heavier-than-air flying machine, such as an airplane, which is capable of flight using wings that generate lift caused by the aircraft's forward airspeed and the shape of the wings. Fixed-wing aircraft are distinc ...
engines of 479.6 cubic inch (7.86 L) displacement, made by
Lycoming Engines
Lycoming Engines is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certi ...
. The engine is a six-cylinder version of the four-cylinder
Lycoming O-320
The Lycoming O-320 is a large family of naturally aspirated, air-cooled, four-cylinder, direct-drive engines produced by Lycoming Engines. They are commonly used on light aircraft such as the Cessna 172 and Piper Cherokee. Different variants ...
.
Design and development
O-480 series engines are installed on a number of different aircraft types.
Their main competitive engines are the
Continental IO-520
The Continental O-520 is a six-cylinder, horizontally opposed aircraft engine produced by Teledyne Continental Motors. First run in 1963 as a development of the IO-346, it has been produced in versions incorporating fuel injection (IO-520), tu ...
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.
[FAA GO-480 Series Type Certificate.](_blank)
Retrieved on 10 January 2009.[FAA Lycoming GSO-480 Series Type Certificate.](_blank)
Retrieved on 10 January 2009. 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
A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...
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.
[Page listing all variants of the Lycoming O-480 series.](_blank)
Retrieved on 10 January 2009.
;IGSO-480
:Supercharger driven by the engine, gearbox to drive propeller, with
fuel Injection. Designated the O-480-3 by the US military.
;IGO-480
:Gearbox to drive propeller, normally aspirated with fuel injection.
Applications
*
Aero Commander 560, 560A, 560E and 680, 680E and the pressurized 720 Alti-Cruiser.
*
Aermacchi AM3CM (Bosbok)
*
Beechcraft Twin Bonanza
The Beechcraft Model 50 Twin Bonanza is a small twin-engined aircraft designed by Beechcraft as an executive transport for the business market. It was developed to fill a gap in Beechcraft's product line between the single-engined Model 35 Bon ...
*
Beechcraft Queen Air
The Beechcraft Queen Air is a twin-engined light aircraft produced by Beechcraft in several versions from 1960 to 1978. Based upon the Twin Bonanza, with which it shared key components such as wings, engines, and tail surfaces, but featuring a ...
*
Dornier Do 27
The Dornier Do 27 is a German single-engine STOL utility aircraft that was designed and manufactured by Dornier GmbH (later DASA Dornier and Fairchild-Dornier). It was notable for being the first mass-produced aircraft in Germany following the ...
*
Helio Courier
The Helio Courier is a cantilever high-wing light STOL utility aircraft designed in 1949.
Around 500 of these aircraft were manufactured in Pittsburg, Kansas, from 1954 until 1974 by the Helio Aircraft Company. The design featured four lead ...
*
Soko J-20 Kraguj
The Soko J-20 Kraguj (''Sparrowhawk'') is a light military, single-engine, low-wing single-seat aircraft with a metal airframe, capable of performing close air support, counterinsurgency (COIN), and reconnaissance missions, that was designed by ...
*
Temco 58
The Temco 58 was a low wing single engine, tandem seat propeller driven trainer designed for sale to overseas air forces. It did not reach production.
Design and development
Details of the Temco 58 were first released in January 1956. It was a d ...
*
Utva 66
The UTVA-66 is a STOL aircraft, which was produced in the former Yugoslavia. It was developed from the UTVA-60 and first flew 1966.
Description
The aircraft was built for landing on unprepared fields and its STOL
A short takeoff and landing (S ...
Specifications (GSO-480-A1A6)
See also
References
{{US military piston aeroengines
O-480
1950s aircraft piston engines
Boxer engines