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The Pratt & Whitney PW4000 is a family of dual-spool, axial-flow, high-bypass turbofan aircraft engines produced by Pratt & Whitney as the successor to the JT9D.It was first run in April 1984, was FAA certified in July 1986, and was introduced in June 1987.
During the flight testing of the A300B2, Airbus held a series of talks with Korean Air on the topic of developing a longer-range version of the A300, which would become the A300B4. In September 1974, Korean Air placed an order for four A300B4s with options for two further aircraft; this sale was viewed as significant as it was the first non ...
The CF6-50 series are high-bypass turbofan engines rated between 51,000 and 54,000 lb (227.41 to 240.79 kN, or '25 tons') of thrust. The CF6-50 was developed into the LM5000 industrial turboshaft engines. It was launched in 1969 to power the long range McDonnell Douglas DC-10-30, and was derived from the earlier CF6-6.
The Pratt & Whitney JT9D high-bypass turbofan engine was developed for the Boeing 747. The JT9D program was launched in September 1965 and the first engine was tested in December 1966. It received its FAA certification in May 1969 and entered service in January 1970 on the Boeing 747.
The PW4000 series is the successor to the JT9D, and powers some Airbus A310, Airbus A300, Boeing 747, Boeing 767, Boeing 777, Airbus A330 and MD-11 aircraft. The PW4000 is certified for 180-minute ETOPS when used in twinjets. The first family has a 94-inch (2.4 m) fan diameter and is designed to power the Boeing 767, Boeing 747, MD-11, and the ...
A turbofan or fanjet is a type of airbreathing jet ... General Electric CF6 which powers the Airbus A300 ... In the RB211 and Trent 3-spool engine series, the HP ...
Together with the German company MTU (Motoren-und-Turbinen-Union), the two companies produced parts for the CF6-50 engine powering the Airbus A300. At the same time, and since the mid-1960s, Snecma began conducting a series of thermodynamic, aerodynamic and acoustic studies to establish the main characteristics of the M56 engine.
The A300B11 was joined by another design, the A300B9, which was a larger derivative of the A300. The B9 was developed by Airbus from the early 1970s at a slow pace until the early 1980s. It was essentially a stretched A300 with the same wing, coupled with the most powerful turbofan engine available at the time. [7]