| 词条 | Lycoming O-480 | ||||||||||
| 释义 |
{{More citations needed|date=September 2018}}
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. Design and developmentO-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. VariantsAll 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.
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]
Supercharger driven by the engine, gearbox to drive propeller, and equipped with a carburetor. Designated the O-480-1 by the US military.[3]
Supercharger driven by the engine, gearbox to drive propeller, with fuel Injection. Designated the O-480-3 by the US military.[3]
Gearbox to drive propeller, normally aspirated with fuel injection.[3] Applications
Specifications (GSO-480-A1A6){{pistonspecs||ref=FAA Type Certificate.[2] |type=Six-cylinder air-cooled geared supercharged horizontally opposed engine |bore=5.125 in (130 mm) |stroke=3.875 in (98 mm) |displacement=479.6 in³ (7.86 l) |length= |diameter= |width= |height= |weight=498 lb dry |valvetrain=Two overhead valves per cylinder |supercharger=11.27:1 ratio, providing 48" Hg (1.6 atm / 8.8 psi) manifold pressure at sea level at maximum power |turbocharger= |fuelsystem= |fueltype=100 octane rating gasoline |oilsystem= |coolingsystem=Air-cooled |power=340 hp at 3,400 rpm at sea level |compression=7.3:1 |specpower= |fuelcon= |specfuelcon= |oilcon= |power/weight= |reduction_gear=77:120 (.642:1) }} See also{{aircontent|see also= |related= |similar aircraft= |lists=
|similar engines=
}} References{{Commons category}}1. ^FAA GO-480 Series Type Certificate. Retrieved on 10 January 2009. {{Lycoming aeroengines}}2. ^1 FAA Lycoming GSO-480 Series Type Certificate. Retrieved on 10 January 2009. 3. ^1 2 3 4 [https://archive.is/20121220014221/http://home.comcast.net/~aeroengine/Lycoming2.html Page listing all variants of the Lycoming O-480 series.] Retrieved on 10 January 2009. 3 : Boxer engines|Lycoming aircraft engines|Aircraft piston engines 1950–1959 |
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