Boeing 2707: America’s Answer to the Concorde that Never Flew

In the 1960s, the United States, fueled by the space race and a desire to maintain aerial supremacy, embarked on an ambitious journey to create the Boeing 2707, a supersonic passenger airliner. This project was born from a competitive spirit, as the Soviet Union had already developed the Tu-144, the world’s first supersonic airliner. Boeing was tasked with developing the 2707, a plane that promised to revolutionize air travel.

The Boeing 2707 was designed to be a feat of engineering, capable of reaching Mach 2.7 with a range of 4,000 miles. Four General Electric GE4/J5P turbojet engines with a combined thrust of staggering 63,200 pounds were to power it.

The Boeing 2707’s design was ambitious, featuring a radical swing-wing design for improved aerodynamics. This design offered competitive advantages over the Concorde in terms of speed and payload. The design emerged as a large aircraft capable of seating 250 to 300 passengers, making it larger than both the Concorde and the Tu-144.

Challenges and Setbacks

However, the technological leap required for the 2707 presented its own set of challenges. The need for a stronger material led to the choice of titanium over aluminum, significantly increasing the project’s cost.

The variable-sweep wing mechanism, a key feature of the design, became a hurdle as its weight and dimensions increased during development. This led to a shift to a traditional delta wing, a significant change in the aircraft’s design. Despite these efforts, the project faced escalating costs and an uncertain market, leading to its cancellation in 1971. This decision marked the end of the United States’ pursuit of a supersonic passenger airliner and was a significant setback for the American aerospace industry.

The Global Race for Supersonic Dominance

The story of the Boeing 2707 is set against the backdrop of a global race for supersonic dominance. The main rival was the Concorde, which the British and French governments jointly developed to travel at twice the speed of sound. The US government, not wanting to be left behind, committed significant resources to the development of its own supersonic transport (SST). This commitment was a response to the perceived threat of losing technological superiority in aviation.

The End of the Dream

The Boeing 2707 project came to an abrupt end in March 1971 when the US government withdrew its support. Although two prototypes were in development, they never took to the skies. The cancellation of the 2707 project was not just a loss for Boeing but also a turning point in the history of aviation, marking the end of an era of ambitious supersonic dreams.

However, this has not deterred America from pursuing its dream of a commercial supersonic transporter. Recently, a U.S. company named Boom Technology, Inc. has been developing the Overture, a supersonic jetliner designed to fly at Mach 1.7. While it is still in the design phase, both Delta and American Airlines have already placed orders for the aircraft. As of now, there is still no mock-up of the Boom Supersonic, just renderings.