X-70 Fractal: NASA unveils new test plane built for Mach 0.75 flight at 45,000 feet

Generated image of NASA’s new X-70 Fractal experimental aircraft, a crewed, rapidly reconfigurable research platform for advanced aviation technologies.NASAKey TakeawaysThe aircraft is built to cruise at Mach 0.75, climb to 45,000 feet, and cover more than 1,726 miles on a single runThe X-70 can carry up to 2,000 pounds of experimental payloads.America’s aviation legacy was forged on experimental "X-planes". NASA just revealed the newest member of its iconic X-plane family. On Wednesday, the space agency showcased its newest experimental aircraft, the X-70 Fractal, during the UP.Summit at the Kennedy Space Center in Florida. Compared to static flight-test rigs or single-purpose demonstrators, the X-70 is built around a single, ambitious vision: adaptable speed. It is a crewed, modular flying laboratory designed to rapidly swap experiments and push aircraft maneuverability beyond anything NASA has flown before. The plane bridges decades of flight history with the future. If all goes as planned, NASA plans to launch the aircraft on its maiden flight within the next two years. Built for flexibility At first glance, the specs reveal a high-performance workhorse. Weighing in at a 10,000-pound takeoff weight, the aircraft will be able to cruise at Mach 0.75, climb to 45,000 feet, and cover more than 1,726 miles (1,500 nautical miles) on a single run. What really sets the Fractal apart is the technology housed within it. Or rather, what you can swap out. The X-70 can carry up to 2,000 pounds of experimental payloads spread across internal and external mounting locations. Paired with rapidly reconfigurable flight-control tech, engineers won’t have to redesign an entire plane every time they want to test a new aerodynamic concept. They can plug it into the X-70 and take off. “Its modular design and ability to rapidly swap internal and external payloads will keep our teams flying, learning, and moving quickly from one experiment to the next. We expect her first flight under the NASA banner within the next two years, and X-70 is just one part of this new beginning for aeronautics. This is why people come to NASA: to build, to learn, and most importantly, to fly,” said NASA Administrator Jared Isaacman. NASA’s X-70 Fractal provides a reconfigurable testbed for next-generation flight controls that could redefine aircraft agility. Notably, engineers can evaluate morphing wings that change shape in flight alongside targeted thrust vectoring to direct engine exhaust for tight maneuvering. Tests may also explore lift-fan systems for short-takeoff capability or active flow control, which steers the aircraft using precise air jets to replace mechanical flaps entirely. A new chapter for X-planes The X-70 enters a historic family. America’s aviation legacy was forged on experimental “X-planes“. The Bell X-1 shattered the sound barrier in 1947. The X-15 pushed the frontiers of hypersonic flight. More recently, the X-59 has taken on the challenge of quiet supersonic transit. Now, the X-70 Fractal takes its turn. “The X-70 Fractal gives NASA a crewed, high-performance platform to test advanced flight-control, maneuverability, and other cutting-edge technologies in real flight,” added Isaacman. He noted that the aircraft’s modular nature will keep teams learning and moving quickly between tests. Laurie Grindle, director of the Aeronautics Division within NASA’s Research and Technology Mission Directorate, stated that bringing on another X-plane will significantly accelerate aeronautics research. NASA expects the X-70 Fractal to make its inaugural flight under the agency’s banner within the next two years.Get the latest in engineering, tech, space & science - delivered daily to your inbox.Mrigakshi is a science journalist who enjoys writing about space exploration, biology, and technological innovations. Her work has been featured in well-known publications including Nature India, Supercluster, The Weather Channel and Astronomy magazine. If you have pitches in mind, please do not hesitate to email her.