| O-360 | |
|---|---|
| Lycoming IO-360-A1B6 | |
| Type | Piston aero-engine |
| Manufacturer | Lycoming Engines |
| First run | c.1955 |
| Major applications | Piper Cherokee Cessna 172 |
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 145 and 225 horsepower (109 to 168 kW).[1]
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There are 167 different models within the O-360 family of engines, with 12 different prefixes. This includes:[2][3][4][5]
The O-360 series all have a displacement of 361 cubic inches (5.9 liters). Bore and stroke are 5.125 and 4.375 inches (130 and 111 mm) respectively.[2][3]
The O-360 has a factory rated TBO (Time Between Overhaul) of 2000 hours.[1] They have been installed in thousands of aircraft including Cessna 172s, Piper Cherokees/Archers, Grumman Tigers and many home-built aircraft.
By increasing the cylinder bore of the O-360 by 3⁄16 inches, the engine was developed into the 210 hp (157 kW) Lycoming IO-390.[6][7]
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.[2]
Data from Type Certificate Data Sheet E-286[2]
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