The X-76 is not intended for mass production or combat service. Instead, it will serve as a testbed for new aerial ...

Proprotor blades stop and fold back and propulsion transitions from turboshaft to turbofan to accelerate the X-76 to speeds ...

DARPA has assigned the designation X-76 to the Speed and Runway Independent Technologies (SPRINT) project, a Bell ...

Bell Textron Inc., a Textron Inc. (NYSE: TXT) company, has been down-selected for Phase 2 of Defense Advanced Research Projects Agency (DARPA) Speed and Runway Independent Technologies (SPRINT) ...

Bell Textron Inc., a Textron Inc. company, successfully held the Critical Design Review (CDR) for the Defense Advanced ...

Bell’s DARPA SPRINT demonstrator has received the X-76 designation after passing Critical Design Review, with flight testing planned for early 2028.

The second of four designs has been revealed in the Speed and Runway Independent Technologies (SPRINT) X-plane competition being held by the Pentagon’s secretive technology development agency. The US ...

Planned to fly in 2028, the X-76 will explore technologies for fast-flying runway-independent aircraft with folding rotors, crewed and uncrewed.

The US Defense Advanced Research Projects Agency (DARPA) has selected a second competitor for Phase 1B of its Speed and Runway Independent Technologies (SPRINT) programme, the agency announced on 28 ...

Bell has completed windtunnel tests of the Stop/Fold rotor system it is developing for a future high-speed runway-independent aircraft under a US Department of Defense-backed project. Conducted at the ...