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General Electric J79 Turbojet

DAYTON, Ohio -- General Electric J79 engine on display in the Cold War Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo)

DAYTON, Ohio -- General Electric J79 engine on display in the Cold War Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo)

The development of the J79 turbojet began in 1952 as a more powerful follow-up to the General Electric J47 turbojet. The engine generated a maximum of 17,000 pounds of thrust (-15 version) with the afterburner operating.

The engine was used on the Convair B-58 Hustler, the first U.S. bomber capable of maintaining speeds in excess of Mach 2. The J79 also was used some fighters developed during the late 1950s. The two most famous examples are the McDonnell Douglas F-4 and Lockheed F-104, which were both capable of flying at Mach 2.

TECHNICAL NOTES:
Model:
J79-GE-15
Compressor: 17-stage axial
Turbine: three-stage axial
Maximum takeoff: 17,000 lbs. thrust (with afterburner)
Military power rating: 10,900 lbs.
Weight: 3,850 lbs.
Length: 17 ft. 5 in.
Diameter: 3 ft. 2 in.

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Related Fact Sheets
Convair B-58A Hustler
McDonnell Douglas F-4G Wild Weasel
Lockheed F-104C Starfighter
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