Wikipedia

Lycoming O-360

For a similarly named and broadly similar aircraft engine by another manufacturer, seeContinental IO-360.

TheLycoming O-360is a family offour-cylinder,direct-drive,horizontally opposed,air-cooled,pistonaircraft engines.Engines in the O-360 series produce between 145 and 225 horsepower (109 to 168 kW), with the basic O-360 producing 180 horsepower.[1]

O-360
Lycoming IO-360-A1B6
Type Pistonaircraft engine
National origin United States
Manufacturer Lycoming Engines
First run 1952
1963 (injected version)
Major applications Cessna 172 R & S
Cessna 177 Cardinal
Mooney M20
Produced 1955–present
Developed into Lycoming IO-390
Lycoming O-540
Lycoming IO-720

The engine family has been installed in thousands of aircraft, including theCessna 172,Piper Cherokee/Archer,Grumman Tiger,and manyhome-builttypes. It has a factory ratedtime between overhaul(TBO) of 2000 hours[1]or twelve years.[2]O-360 family engines are also widely used inairboats,most notably in theHurricane Aircatsused by theUS Armyduring theVietnam 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]TheLycoming IO-390is an O-360 which has had its cylinder bore increased by3⁄16inch (4.76 mm), developing 210 hp (157 kW).[5][6]

Series

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The O-360 family of engines comprises 167 different models with 12 different prefixes. All have a 361-cubic-inch (5.92-liter) displacement and 5.125 and 4.375 in (130.2 and 111.1 mm)boreandstroke.[4][7][8][9]

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

Variants

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Main article:List of Lycoming O-360 variants

Applications

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Piper PA-44-180 Seminole features two Lycoming O-360 engines
O-360
LO-360
IO-360
LIO-360
An LIO-360 on the starboard wing of aPiper PA-34-200 Seneca I.
AIO-360
AEIO-360
HIO-360
LHIO-360

Specifications (O-360-A1A)

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Data fromType Certificate Data Sheet E-286[4]

General characteristics

Components

  • Fuel type:91/96avgasminimum grade[15]
  • Oil system:8 US qt (8 L) wet sump
  • Cooling system:air-cooled

Performance

  • Power output:180 hp (134 kW) at 2700 rpm
  • Compression ratio:8.5:1
  • Fuel consumption:7.8 US gal (30 L) to 9 US gal (34 L) per hour[16]

See also

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Related lists

References

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  1. ^abLycoming (2004)."360 Series"(PDF).Archived fromthe original(PDF)on November 26, 2010.RetrievedSeptember 16,2008.
  2. ^Lycoming Engines(July 8, 2013)."Recommended Time Between Overhaul Periods"(PDF).Archived fromthe original(PDF)on September 13, 2013.RetrievedJuly 8,2013.
  3. ^Enfield, Samuel; Burr, R.; Badgett, R.; et al., eds. (April 15, 1966).Airboats(PDF)(Technical report). San Francisco: Army Concept Team in Vietnam. p. 2. R-1590 0. Archived fromthe original(PDF)on August 3, 2020 – viaDTIC.
  4. ^abcFederal Aviation Administration(August 2009)."Type Certificate Data Sheet No. E-286 Revision 20"(PDF).RetrievedSeptember 9,2011.
  5. ^Lycoming Engines(n.d.)."Lycoming IO-390-X".RetrievedJanuary 7,2009.{{cite web}}:CS1 maint: year (link)
  6. ^Lycoming Engines(2004)."Specialty datasheet"(PDF).RetrievedDecember 20,2008.
  7. ^Federal Aviation Administration(January 10, 2018)."Type Certificate Data Sheet No. 1E10 Revision 28"(PDF).RetrievedJanuary 26,2019.
  8. ^Federal Aviation Administration(March 1986)."Type Certificate Data Sheet No. E26EA Revision 4".RetrievedJanuary 18,2009.
  9. ^Federal Aviation Administration(March 1986)."Type Certificate Data Sheet No. E16EA Revision 5".RetrievedJanuary 18,2009.
  10. ^Federal Aviation Administration(July 13, 2004)."Airplane Flying Handbook"(PDF).Archived fromthe original(PDF)on September 21, 2012.RetrievedSeptember 18,2012.
  11. ^Mooney Aircraft, Inc. (March 1967).Executive 21 Owners Manual.
  12. ^https://hartzellprop /SERVICE-DOCUMENTS/SB/HC-SB-61-227.pdf
  13. ^Hartzell Propeller Inc. (August 27, 2012).SERVICE BULLETIN HC-SB-61-227 (Rev 6) Page 19.
  14. ^abFederal Aviation Administration(February 2007)."Docket No. FAA-2006-25948; Directorate Identifier 2006-NE-32-AD; Amendment 39-14951; AD 2007-04-19".Archived fromthe originalon July 13, 2011.RetrievedMarch 9,2009.
  15. ^Lycoming (2010)."Lycoming Service Instruction 1070Q"(PDF).Archived fromthe original(PDF)on November 17, 2011.RetrievedNovember 3,2011.
  16. ^"O-360, HO-360, IO-360, AIO-360, HIO-360 & TIO-360 Operator's Manual".lycoming.RetrievedJuly 11,2018.
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