In the 1960s, the United States began developing a supersonic transport (SST), the Boeing 2707. General Electric’s GE4 was intended to power the 300-seat airliner to a speed of Mach 2.7. Based on ...
The Pratt & Whitney J75 was developed between 1951 and 1954 to meet the needs of advanced supersonic fighters under development for the U.S. Air Force and Navy. Its configuration and control, fuel and ...
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