NASA and Boeing have effectively cancelled the X-66 Transonic Truss-Braced Wing (TTBW) concept demonstrator aircraft. Officially described as a "pause," development of the thin-wing airplane is ...

If this can be achieved, especially at the transonic speed zone between Mach 0.8 to Mach 1.2, this can result in reduced drag, improved fuel efficiency with the same performance for less fuel ...

Boeing’s “vision system” concepts show how the Transonic Truss-Braced Wing could be applied to a family of single-aisle airliners. Graham leads Aviation Week's coverage of technology ...

The X-4 Bantam was developed by Northrop in the late 1940s for the National Advisory Committee for Aeronautics (NACA), the predecessor to NASA, to explore transonic flight. The swept-wing X-4 was ...