Pratt & Whitney JT8D
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The Pratt & Whitney JT8D turbofan jet engine was introduced by Pratt & Whitney in February 1964 with the inaugural flight of the Boeing's 727. Today, the eight models that comprise the JT8D standard engine family cover the thrust range from 14,000 to 17,400 pounds-force (62 to 77 kN) and power 727, 737, and DC-9 aircraft. More than 11,800 JT8D engines have been produced, making it the most popular of all low-bypass turbofan engines.
A modern derivative, the -200 series, covers the 18,500 to 21,700 pound-force (82 to 97 kN) thrust range and powers the McDonnell Douglas MD-80. Since starting service in 1980, more than 2,900 -200 series engines have been produced.
The JT8D also powers some military 707s and JSTARS and AWACS surveillance aircraft, and has been adapted to a variety of other uses. An afterburning JT8D variant powers the Swedish Saab Viggen fighter aircraft.
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