![]() ![]() In 1960, an internal competition was run on a baseline 150-seat aircraft for trans-Atlantic routes, and the swing-wing version won. Most of the designs featured a large delta wing, but in 1959 another design was offered as an offshoot of Boeing's efforts in the swing-wing TFX project (which led to the purchase of the General Dynamics F-111 instead of the Boeing offering). The committee proposed a variety of alternative designs, all under the name Model 733. ![]() In 1958, it established a permanent research committee, which grew to a $1 million effort by 1960. Rising costs and the lack of a clear market led to its cancellation in 1971 before two prototypes had been completed.ĭevelopment Early studies īoeing had worked on a number of small-scale supersonic transport (SST) studies since 1952. During development the required weight and size of this mechanism continued to grow, forcing the team to start over using a conventional delta wing. Outside the field, the entire SST concept was the subject of considerable negative press, centered on the issue of sonic booms and effects on the ozone layer.Ī key design feature of the 2707 was its use of a swing wing configuration. From the start, the airline industry noted that the economics of the design were questionable, concerns that were only partially addressed during development. The SST was the topic of considerable concern within and outside the aviation industry. It was intended to be much larger and faster than preceding SST designs such as Concorde. ![]() The design emerged as a large aircraft with seating for 250 to 300 passengers and cruise speeds of approximately Mach 3. After winning a competition for a government-funded contract to build an American supersonic airliner, Boeing began development at its facilities in Seattle, Washington. The Boeing 2707 was an American supersonic passenger airliner project during the 1960s. ![]()
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