DARPA has assigned the designation X-76 to the Speed and Runway Independent Technologies (SPRINT) project, a Bell ...
Proprotor blades stop and fold back and propulsion transitions from turboshaft to turbofan to accelerate the X-76 to speeds ...
Bell just completed the Critical Design Review for DARPA's SPRINT program, meaning it can build its next-gen X-76 VTOL aircraft.
Bell Textron has completed the Critical Design Review for DARPA’s SPRINT (Speed and Runway Independent Technologies) X-Plane program, and the aircraft has officially received the X-76 designation. The ...