The XB-1 supersonic demonstrator is a move by Boom Supersonics to become the first commercial aircraft to break the sound barrier since Concorde. In its 11th test flight, conducted on 10 January 2025, the aircraft achieved a sustained speed of Mach 0.95 – approximately 1,172 km/h. This milestone was reached at an altitude of 8,986 metres, a significantly lower altitude than his previous tests at the same speed.
Record-breaking performance under high pressure
according to boom supersonicThe latest test resulted in the aircraft achieving a record equivalent airspeed of 383 knots, indicating high dynamic air pressure. It was explained that while this intensity of air pressure would not occur during routine operations at high altitude, the test confirmed the strength and stability of the aircraft frame under extreme conditions.
The company revealed that the XB-1 is undergoing testing from March 2024, focusing on stability and airframe durability. Nick Sherka, Chief Flight Test Engineer at Boom Supersonic, explained in a statement The focus of subsequent test campaigns is on increasing speed and altitude until supersonic speed is achieved. The XB-1’s airframe was described as having robust performance, ensuring controllability even under transonic conditions.
Planned success in 2025
As reported by Live ScienceAccording to Boom Supersonic representatives, the company remains on track to exceed Mach 1 as early as 2025. This milestone will be an important step towards the development of the Boom Overture, a supersonic passenger aircraft planned for transatlantic operations in the 2030s.
The Boom Overture, designed to carry between 64 and 80 passengers, aims to significantly reduce journey times. A London-Newark trip, for example, can take up to 3 hours and 30 minutes. These advancements follow a structured approach to supersonic innovation, ensuring passenger safety while optimizing performance under real-world conditions.
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