General Electric J47

General Electric J47

The General Electric J47 was a jet engine that was developed on the basis of the General Electric J35 by the US manufacturer General Electric . It had a twelve-stage axial compressor and a single-stage turbine. Eight individual combustion chambers were used. An afterburner could also be added.

The first flight tests took place in May 1948. In September of the same year, a North American F-86 equipped with the J47 set a new world speed record. In addition to the F-86 A, D and E and the Navy version FJ-2, was the engine also in the XF-91 , Convair B-36 , North American B-45 , Boeing B-47 and Martin XB-51 incorporated . Series production ran until 1956, even with several licensees, with a total of around 30,000 units being produced.

In the Boeing KC-97 , the engine remained in service until 1978.

A variant of the engine called the General Electric X-39 was used for experiments on the nuclear propulsion of aircraft.

Technical data (J47-GE-25)

• Compressor: twelve-stage, axial
• Turbine: single-stage axial
• Dimensions: length 3.66 m, diameter 0.933 m
• Mass: 1220 kg
• Thrust 25.8 kN
• Maximum speed: 7950 min ⁻¹
• Max. Operating altitude: 15,200 m

Web links

Commons : General Electric J47  - Collection of Pictures, Videos and Audio Files

• https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196747/general-electric-j47-turbojet/