The Lycoming O-540 is a family of air-cooled six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engines of displacement, manufactured by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-360.
Design and development
Producing between these 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 the power was eventually increased to . The AEIO-540 family has achieved considerable success in aircraft such as the Extra 300, CAP 232, and Zivko Edge 540.
Variants
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.
O-540 Standard, direct-drive, normally aspirated Opposed engine, equipped with a carburetor
IO-540 Normally aspirated engine with continuous fuel Injection
AEIO-540 Normally aspirated engine with fuel injection and inverted lubrication for Aerobatic use
TIO-540 Turbocharged and fuel-injected
TEO-540 Turbocharged with a FADEC control system using Lycoming's iE2 system, offering independent Electronic sensors and fuel injection controls for each cylinder, which manage detonation and exhaust gas temperature, make the engine compatible with a range of fuel compositions, producing up to .Lycoming TEO-540-EXP press releaseTecnam P2012 TEO-540-C1A produces 375HP @ 2,575 RPM per FAA Type Certificate Data Sheet No. A00076CE
LTIO-540 Left-hand (opposite-direction) rotation, turbocharged, fuel-injected; used as the right-hand engine on Piper PA-31-325 Navajo C/Rs and Piper PA-31-350 ChieftainsFAA Piper PA-31-300/325/350 Type Certificate. Retrieved: 1 September 2008. to prevent critical engine control issues, and used for the left side of the Aerostar 700P
IGO-540 Gearbox at the front end of the crankshaft to drive the propeller at fewer revolutions per minute than the engine, normally aspirated with fuel injection, dry sump engine built specifically for the Aero Commander 560F
TIGO-540 Turbo-charged, injected and geared
IGSO-540 Supercharger driven by the engine, gearbox to drive propeller, and fuel injection (up to )
VO-540 Vertically mounted engine for use in a helicopter, normally aspirated and equipped with a carburetor
IVO-540 Normally aspirated engine with fuel injection, mounted vertically for use in a helicopter
TVO-540 Turbocharged engine equipped with a carburetor, mounted vertically for use in a helicopter
TIVO-540 Turbocharged engine with fuel injection, mounted vertically for use in a helicopter
HIO-540 Helicopter engine mounted horizontally as in fixed-wing aircraft, normally aspirated with fuel injection; not used in any fixed-wing aircraft Retrieved: 1 September 2008.
TIO-541 Same as a TIO-540, except the "1" indicates an integral accessory drive
TIGO-541 Same as a TIGO-540, except the "I" indicates an integral accessory drive
Applications Single engine
Multi engine
Specifications (IO-540-K1A5)
See also
References
External links
Lycoming homepage