Lycoming O-360

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O-360
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Lycoming IO-360-A1B6

The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce between Template:Cvt, with the basic O-360 producing Template:Cvt.[1]

The engine family has been installed in thousands of aircraft, including the Cessna 172, Piper Cherokee/Archer, Grumman Tiger, and many home-built types. It has a factory rated time between overhaul (TBO) of 2000 hours[1] or twelve years.[2] O-360 family engines are also widely used in airboats, most notably in the Hurricane Aircats used by the US Army during the Vietnam War.[3]

The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2.[4] The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by Script error: No such module "convert"., developing Template:Cvt.[5][6]

Series

The O-360 family of engines comprises 167 different models with 12 different prefixes. All have a Template:Cvt displacement and Template:Cvt bore and stroke.[4][7][8][9]

  • O-360 carbureted series
  • HO-360 horizontally mounted series for helicopter installation
  • LO-360 same as O-360, but with left-hand rotating crankshaft, for use in pairs on twin-engined aircraft[10]
  • TO-360 turbocharged series
  • LTO-360 turbocharged left-hand rotation series
  • IO-360 fuel-injected series
  • LIO-360 same as IO-360, but with left-hand rotating crankshaft
  • AIO-360 inverted mount (dry sump aerobatic) fuel-injected series
  • AEIO-360 aerobatic fuel-injected series
  • HIO-360 horizontally mounted fuel-injected series for helicopters
  • LHIO-360 left-hand rotation, fuel-injected, horizontally mounted for helicopters
  • TIO-360 turbocharged and fuel-injected series

Variants

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Applications

File:Piper PA44-180 aircraft.jpg
Piper PA-44-180 Seminole features two Lycoming O-360 engines
O-360

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LO-360
IO-360

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LIO-360
File:LIO360engine.JPG
An LIO-360 on the starboard wing of a Piper PA-34-200 Seneca I.
AIO-360
AEIO-360
HIO-360
LHIO-360

Specifications (O-360-A1A)

Data from Type Certificate Data Sheet E-286[4]

General characteristics

Components

  • Fuel type: 91/96 avgas minimum grade[15]
  • Oil system: Script error: No such module "convert". wet sump
  • Cooling system: air-cooled

Performance

  • Power output: Template:Cvt at 2700 rpm
  • Compression ratio: 8.5:1
  • Fuel consumption: Script error: No such module "convert". to Script error: No such module "convert". per hour[16]

See also

Related lists

References

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External links

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Template:Lycoming aeroengines