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General Electric J47

The Engine Specifications (J47-A)
After losing the J33 and J35 to rival Allison, GE decided to design a J35 replacement.  Using the same frame size as the J35, the J47 used a new compressor and turbine.  First flight tested in 1948, the J47 was also the first axial-flow engine in the United States to be approved for commercial use.

By the time production ended in 1956 36,500 had been built requiring production at Studebaker and Packard.

12-stage axial compressor
single-stage axial turbine
Mass flow: 92 lbs/sec
Pressure ratio: 5
Models Used by
J47-GE-3: 5,200 lb (23 kN) thrust
J47-GE-13: 6,000 lb (27 kN) thrust
J47-GE-17B: 7,500 lb (33 kN) afterburning thrust
J47-GE-25: 7,200 lb (32 kN) thrust
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Boeing B-47 Stratojet
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Boeing KC-97L Stratofreighter
Related Pages
More about General Electric

page updated 14 June 2004



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Kenneth W Shanaberger 2000 - 2010