The Bell X-5 was built to test the feasibility of changing the sweep angle of an aircraft’s wings in flight….
The Douglas X-3 Stiletto was the sleekest of the early experimental aircraft, but its research accomplishments were not those originally…
When most people think of the Bell X-1, they think of then-Capt. Chuck Yeager breaking the sound barrier on Oct….
by Stuart Ibberson, editor When people hear the term “X-Planes” they often think of cutting edge aircraft used to test…