Ax Planes News Today

The aerospace sector's vast contributions often remain underappreciated by the general public, especially the intricate development of aircraft systems designed for highly specialized research. A prime example is the X-31 Enhanced Fighter Maneuverability Demonstrator. 

The X-43A Hyper-X, an experimental vehicle developed by NASA, marked a significant milestone in aviation by demonstrating the viability of scramjet technology for achieving hypersonic speeds.

Alas, the first X-4 was grounded after a mere 10 flights. It was unreliable, so much so that NACA Muroc flight test unit head Walt Williams called the aircraft a lemon. 

The Douglas X-3 “Stiletto” looks fast. Sleek and streamlined, resembling a rocket as much as an airplane, the X-3 was designed to hit a maximum speed of 2,000 miles per hour – all for the purpose of researching sustained supersonic speeds. 

The second test in March 2004 proved successful and the X-43 aircraft accelerated from the rocket reaching Mach 6.83 (7,456km/h; 4,633 mph).

These secret aircraft cost nearly a billion dollars to produce and demonstrated seemingly never-before-seen combat capabilities.

X-planes have been the proving ground for innovative flight tech, from the first plane to break the sound barrier to high altitude, long endurance (HALE) tests.

DARPA just revealed the name of a new drone technology demonstrator designed to test active flow control (AFC) systems: the X-65.

The X-5 was likely the world’s first airplane that incorporated variable-sweep wing technology.