Rolls-Royce is retiring its Boeing 747-200 "Flying Test Bed" (FTB), registered N787RR, after 20 years of service since 2005. The uniquely modified aircraft, capable of flying with five engines, was ...
Rotating detonation engines In 2020, we saw the first of an "impossible" new breed of rotating detonation engines (RDEs) fire up on a test bench. These machines leave the slow, controllable world of ...