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The Lycoming O-320 is a large family of naturally aspirated, 320 cu in (5.2 L) air-cooled, horizontally-opposed four-cylinder, direct-drive engines produced by Lycoming Engines. Introduced in 1953, it is commonly used on light aircraft such as the Cessna 172 and Piper Cherokee , and remains in production as of 2024.
Engines in this series also include the O-235 four-, O-580 six- and O-720 eight-cylinder engines, and the advanced turbocharged and fuel-injected 450 hp (340 kW) TIGO-541 variant of the venerable (carbureted) O-540. In the early 1980s, the general aviation market suddenly diminished and Lycoming's piston engine business was significantly impacted.
The 1968-built Cessna 172I introduced the Lycoming O-320-E2D engine of 150 hp (112 kW). The 1968 model year marked the beginning of the Lycoming -powered 172s, with the 172I introduced with a Lycoming O-320-E2D engine of 150 hp (112 kW), an increase of 5 hp (3.7 kW) over the Continental powerplant.
Time between overhauls (abbreviated as TBO or TBOH) is the manufacturer's recommended number of running hours or calendar time before an aircraft engine or other component requires overhaul. [ 1 ] On rotorcraft , many components have recommended or mandatory TBOs, including main rotor blades , tail rotor blades and gearboxes .
Lycoming O-360: The Lycoming IO-720 ... In 2009 a new IO-720-A1B cost US$113,621, with a rebuilt engine retailing for US$75,435 and a factory overhaul priced at US ...
The Lycoming O-235 is a family of four-cylinder, air-cooled, horizontally opposed, piston aircraft engines that produce 100 to 135 hp (75 to 101 kW), derived from the earlier O-233 engine. [ 1 ] [ 2 ]
Amazon to launch AI-overhauled Alexa with paid plans, CNBC reports. May 22, 2024 at 7:59 AM
Robinson R22 Beta II with Lycoming O-360-J2A engine. O-360-J2A 145 hp (108 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C1C except has O-320-B2C prop flange bushings, lightweight cylinders and lower power rating for helicopter use. [1] [2] This engine is used in the Robinson R22 helicopter.