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The Rolls-Royce Turbomeca Adour is a two-shaft low bypass turbofan aircraft engine developed by ... Much more powerful version available in early 1980s, with higher ...
Sporting a 22:1 pressure ratio, which was a record for single-spool compressors at the time, the GE27 [3] was GE's unsuccessful submission to power the Bell Boeing V-22 Osprey tiltrotor aircraft. The GE27 also had a compressor air flow of 27–28 pounds per second (12–13 kg/s) and a turbine temperature of 2,400–2,500 °F (1,320–1,370 °C ...
In the late 1980s there was a need for a similar but more powerful engine for the next generation of the cruise missiles and drones. Microturbo addressed this by developing the "Quadri-axial" class of TRI 60 engines. They increased the air flow through the engine and added a fourth compressor stage (hence the name). [1]
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.
An F118 engine Type Turbofan: National origin: United States: Manufacturer General Electric: First run 1980s Major applications: Lockheed U-2 Northrop Grumman B-2 Spirit: Developed from: General Electric F110
The engine series are all four-cylinder four-stroke, horizontally-opposed, air-cooled, Volkswagen automotive conversion gasoline engines, with direct-drive. They employ magneto ignition systems and, depending on the model, produce 55 to 80 hp (41 to 60 kW) at 3600 rpm, with a compression ratio of 8.0:1. They use a geared electric starter.
United States military aircraft by decade of first flight 1900s • 1910s • 1920s • 1930s • 1940s • 1950s • 1960s • 1970s • 1980s • 1990s • 2000s • 2010s
A second prototype, the Model 33, N4EZ, built using a larger wing, a Continental O-200 engine, and many other detail changes, was shown at Oshkosh in July 1976 and plans were offered for sale. Approximately 2000 aircraft were under construction by 1980, with about 300 flying by late 1980.
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