Boom Supersonic’s XB-1 prototype jet breaks sound barrier for first time | Science, Climate & Tech News
A US company’s prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic’s XB-1 is the first civilian aircraft to achieve the feat since the British-French supersonic airliner, which was retired in 2003. The XB-1 broke the sound barrier for the first time over the Mojave Desert in California. Image: The XB-1 demonstrator aircraft. Pic: Boom Supersonic During the test flight, it reached an altitude of 35,000ft before accelerating to Mach 1.1 (844mph) – 10% faster than the speed of sound. The jet, which was flown by Boom Supersonic’s chief test pilot Tristan “Geppetto” Brandenburg, went on to reach Mach 1.1 two more times. A live stream showed the test flight as it happened. Image: The XB-1. Pic: Reuters Denver-based Boom Supersonic hopes the XB-1 will pave the way for the development of Overture, the company’s supersonic commercial airliner. The XB-1 is around 63ft-long, around one-third the size of Overture, which is intended to seat between 64 and 80 passengers and …