DARPA Explores Fold-Away Rotor Concept With New X-76 Aircraft

Runways could soon matter far less for the US Army as the Defense Advanced Research Projects Agency (DARPA) pushes ahead with the X-76 experimental aircraft.

At the center of the design is the Stop/Fold rotor system, which uses wingtip-mounted propellers that deploy for vertical lift before folding their blades away once the aircraft transitions to forward flight.

The concept enables vertical takeoff, landing, and hovering.

Read the full story on NextGen Defense: DARPA Explores Fold-Away Rotor Concept With New X-76 Aircraft