Image
X-43a hypersonic vehicle
The X-43a hypersonic scramjet test vehicle flew at Mach 9.8. It was 3 metres long and was accelerated by a Pegasus rocket to Mach 5 before release to be accelerated by its scramjet engine to Mach 9.8 (over 12 144 km/h).
Rights: NASA
Published:30 November 2011Size: 2.88 MB