THE soon-to-be supersonic XB-1 plane has flown higher than it ever has before in its most recent flight test.
The super-fast jet, from Colorado-based Boom Technology, completed its eighth flight test this weekend.
The flight was piloted by Tristan “Geppetto” BrandenburgBoom BoomEngineers intend to fly the plane higher, and faster, until it eventually reaches supersonic speeds of Mach 1, which is the speed of sound[/caption] BoomIt hit speeds of Mach 0.82 – or 499 knots...