The article discusses the evolution and significance of the Lycoming O-320 aircraft engine, which was introduced in the late 1950s. Classified as a four-cylinder, air-cooled, horizontally opposed, direct-drive piston engine, it offers between 150 and 160 horsepower. Noteworthy for its reliability and ease of maintenance, the O-320 has been a dependable choice for various aircraft, including the Piper PA-18 Super Cub and Cessna 172 Skyhawk.
Key features of the O-320 include a magnet ignition system that generates its own power to ignite the spark plug, and a direct drive design which enhances reliability by minimizing power losses. Its horizontally opposed cylinder configuration boosts cooling efficiency and aerodynamics. While not as revolutionary as some modern engines, the Lycoming O-320 has established a strong legacy in aviation.
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