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In 1929, Lycoming produced its first aviation engine, the nine-cylinder R-680 radial. [7] This was a fairly successful design, and was used widely in light aircraft, including Cord's Travel Air. In the 1930s, Lycoming made a number of attempts to develop successful high-power aircraft engines.
The Lycoming IO-720 engine is a large displacement, horizontally opposed, eight-cylinder aircraft engine featuring four cylinders per side, manufactured by Lycoming Engines. [1] There is no carbureted version of the engine, which would have been designated O-720 and therefore the base model is the IO-720. The IO-720 is the only flat-eight ...
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.
The Lycoming R-680 is a nine-cylinder air-cooled radial engine, the first aero engine produced by Lycoming. The engine was produced in two types, the E and B series; both are essentially the same. The B4E was available in a trainer version with a front exhaust collector "ring" for use without cylinder air baffles.
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. [4] The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by 3 ⁄ 16 inch (4.8 mm), developing 210 hp (160 kW).
The Lycoming IO-390 engine is a horizontally opposed, four-cylinder aircraft engine, manufactured by Lycoming Engines. [ 1 ] [ 2 ] There is no carburetted version of the engine, which would have been designated O-390 and therefore the base model is the IO-390.
The Lycoming O-290 is a dual-ignition, four-cylinder, air-cooled, horizontally opposed aircraft engine.It was first run in 1939, and entered production three years later. A common variant of the type is the O-290-G, a single-ignition model which was designed to drive a generator as part of a ground power unit.
The Lycoming (now Honeywell) LTS101 is a turboshaft engine family ranging from 650 to 850 shaft horsepower, used in a number of popular helicopters, [1] and, as the LTP101 turboprop, light aircraft. Both models carry the US military designation T702 .