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Posted 10/22/2013 Printable Fact Sheet
General Electric YJ93-G-3
DAYTON, Ohio -- General Electric YJ93-G-3 on display in the Research & Development Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo)
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Note: This engine is located in the Research & Development Gallery on a controlled-access portion of Wright-Patterson Air Force Base. Click here for requirements to visit this gallery.

General Electric designed the YJ93 engine to power a planned supersonic interceptor, the F-108, and a bomber, the North American XB-70, at speeds of 2,000 mph and at altitudes about 70,000 feet. The high-pressure variable-stator engine ran on special high-temperature JP-6 fuel and had a thrust-to-weight ratio above 5:1. The Air Force cancelled the F-108 program and only built two XB-70s. The engine was not used in any military or commercial aircraft other than the XB-70.

Click here to return to the Research & Development Gallery.

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