|Type||Certified Piston aircraft engine|
|National origin||United States|
|First run|| 1957 |
1963 (injected version)
|Major applications|| Cessna 182 |
Grob G 120
Tecnam P2012 Traveller
|Developed from||Lycoming O-360|
The Lycoming O-540 is a family of air-cooled six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engines of 541.5 cubic inch (8,874 cc) displacement, manufactured by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-360.
Producing between 230 and 350 horsepowerthese engines are installed in a large variety of aircraft. The main competitors are the Continental IO-520 and IO-550 series.
An AEIO version was developed for high-performance competition aerobatics aircraft. Starting at 260 hp (190 kW) the power was eventually increased to 300 hp (220 kW). The AEIO-540 family has achieved considerable success in aircraft such as the Extra 300, CAP 232, and Zivko Edge 540.
All engines have an additional prefix preceding the 540 to indicate the specific configuration of the engine.The numerous engine suffixes denote different accessories such as different manufacturers' carburetors, or different magnetos.
Data from FAA Lycoming IO-540 Series Type Certificate. Retrieved: 1 September 2008.
The Piper PA-28 Cherokee is a family of two-seat or four-seat light aircraft built by Piper Aircraft and designed for flight training, air taxi and personal use. The PA-28 family of aircraft comprises all-metal, unpressurized, single-engined, piston-powered airplanes with low-mounted wings and tricycle landing gear. They have a single door on the right side, which is entered by stepping on the wing.
The Piper PA-32 Cherokee Six is a series of single-engine, fixed landing gear, light aircraft manufactured in the United States by Piper Aircraft between 1965 and 2007.
The Piper PA-23, named Apache and later Aztec, is a four-to-six-seat twin-engined light aircraft aimed at the general aviation market. The United States Navy and military forces in other countries also used it in small numbers. Originally designed in the 1950s by the Stinson Aircraft Company, Piper Aircraft manufactured the Apache and a more powerful version, the Aztec, in the United States from the 1950s to the 1980s.
Lycoming Engines is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certified aerobatic and helicopter piston engines on the market.
The Piper PA-24 Comanche is an American four-seat or six-seat, low-wing, all-metal, light aircraft of semi-monocoque construction with tricycle retractable landing gear. Piper Aircraft designed and developed the Comanche, which first flew on May 24, 1956. Together with the PA-30 and PA-39 Twin Comanche, it made up the core of the Piper Aircraft lineup until 1972, when the production lines for both aircraft were wiped out in a flood.
The Beechcraft Baron is a light, twin-engined piston aircraft designed and produced by Beechcraft, introduced in 1961. A development of the Travel Air, it remains in production.
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, with the basic O-360 producing 180 horsepower.
The Piper PA-32R is a six-seat, high-performance, single engined, all-metal, fixed-wing aircraft produced by Piper Aircraft of Vero Beach, Florida. The design began life as the Piper Lance, a retractable-gear version of the Piper Cherokee Six. Later models became known by the designation Piper Saratoga. The primary difference between the Lance and early Saratoga is the development of a tapered wing on the Saratoga, replacing the "Hershey bar" wing on the Lance that was a carryover from the Cherokee Six. Later Saratoga models provided updated/improved avionics, engine and interior touches but retained the same airframe design.
The Lycoming O-320 is a large family of naturally aspirated, air-cooled, four-cylinder, direct-drive engines produced by Lycoming Engines. They are commonly used on light aircraft such as the Cessna 172 and Piper Cherokee. Different variants are rated for 150 or 160 horsepower. As implied by the engine's name, its cylinders are arranged in horizontally opposed configuration and a displacement of 320 cubic inches (5.24 L).
The Piper PA-31 Navajo is a family of cabin-class, twin-engined aircraft designed and built by Piper Aircraft for the general aviation market, most using Lycoming engines. It was also license-built in a number of Latin American countries. Targeted at small-scale cargo and feeder liner operations and the corporate market, the aircraft was a success. It continues to prove a popular choice, but due to greatly decreased demand across the general aviation sector in the 1980s, production of the PA-31 ceased in 1984.
The Bellanca Viking and Super Viking are a series of single-engine, four-seat, high performance, retractable gear aircraft manufactured in the USA during the 1960s and 1970s. The aircraft developed through modifications of classic designs by the aviation pioneer Giuseppe Bellanca. A total of 1,356 Vikings have been produced with most production between 1968 and 1975.
The Piper Aerostar is an American twin-engined propeller-driven executive or light transport aircraft, designed by Ted R. Smith. It was originally built by Ted Smith Aircraft Company, which after 1978 became part of the Piper Aircraft Corporation.
The Lycoming IO-720 engine is a large displacement, horizontally opposed, eight-cylinder aircraft engine featuring four cylinders per side, manufactured by Lycoming Engines.
The Lycoming IO-580 engine is a horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines.
The Lycoming GSO-580 is a family of eight-cylinder horizontally opposed, supercharged, carburetor-equipped aircraft engines for both airplanes and helicopters, manufactured by Lycoming Engines in the late 1950s and early 1960s.
The Lycoming IO-390 engine is a horizontally opposed, four-cylinder aircraft engine, manufactured by Lycoming Engines.
The Lycoming O-480 is a family of six-cylinder, horizontally opposed fixed-wing aircraft engines of 479.6 cubic inch displacement, made by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-320.
The Lycoming TIO-541 engine is a turbocharged, fuel-injected, horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines.
The Continental Tiara series are a family of air-cooled, horizontally opposed aircraft engines. Designed and built by Continental Motors/TCM, the Tiara series were commercially unsuccessful, costing the company millions of dollars.
The Franklin O-425 was an American air-cooled aircraft engine that first ran in the mid-1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced 425 cu in (7 L). The power output was between 240 hp (179 kW) and 285 hp (213 kW) depending on variant. The O-405-13 (6V6-300-D16FT) of 1955 was a vertically mounted, turbocharged and fan cooled version for helicopters.
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