Bell has completed wind-tunnel testing of its proposed X-plane for a DARPA project to demonstrate a high-speed ...

We got a glimpse at what a new cross between a helicopter and a jet aircraft might look like after Bell released a new image.

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 ...

high-speed VTOL configurations, and military aircraft development," said Larry Wirsing, vice president of aircraft development at Aurora Flight Sciences. "The DARPA SPRINT program is an exciting ...

Bell Textron advances DARPA's SPRINT X-plane program with successful wind tunnel tests, marking the completion of the ...

Produced by Matt Stuart. Video courtesy of DARPA and Aurora Flight Sciences. Follow TI: On Facebook More from Tech The VTOL X-Plane is scheduled to take its first flight in 2018 and will be unlike ...

The wind tunnel testing was carried out to validate the company's Stop/Fold Jet Transition capability. Bell has completed ...

DARPA just revealed an animation showing the conceptual design and functionality of its unmanned VTOL X-Plane, nicknamed "Lightningstrike." VTOL stands for "vertical takeoff and landing.