Radio Hangar explores The XB-70 Valkyrie, the Six-Engine Mach Three Bomber That Folded Its Wingtips in Flight and Now Sits Alone at Dayton After a Camera Killed Her Sister.
Radio Hangar explores The Homebuilt Judges, the Clipboards, and the Lindy Award - Walking the Kit and Plans-Built Rows at AirVenture Oshkosh Where a Decade in the Garage Gets Its Reckoning.
An angle of attack (AOA) indicator measures how close your wing is to stalling directly, and the experimental fleet made it affordable for certified aircraft.
NASA's X-57 Maxwell validated the core aerodynamics of distributed electric propulsion while revealing the systems integration challenges that will define the next decade of electric aircraft development.
The North American XB-70 Valkyrie was America's most technically advanced Cold War bomber - capable of Mach 3 at 70,000 feet but cancelled before entering service.
DARPA's X-65 reached a key assembly milestone in June 2026 as its fuselage was mated to wings that carry no ailerons, rudder, or elevators - only pressurized air.