After take off, the X-plane tilts its rotor nacelles forward for horizontal flight and locks them off as the jet engines take over. At this point, the rotor blades become a liability creating ...

DARPA has selected the next design of its VTOL X-Plane, a crazy UAV with 24 ducted fans, a 4,000-hp engine, and the ability to hit speeds up to 460 mph. This post is appearing on Autoblog Military ...

The proposed Sirius Jet marks a major aviation world first. A vertical take-off and landing (VTOL) aircraft pitched at the business community, the Sirius Business Jet features a pioneering ...