Bell's High-Speed Vertical Takeoff and Landing (HSVTOL) test article is at Holloman Air Force Base in New Mexico to test key features of its HSVTOL concept including prop-rotors that fold in-flight.

Vertical takeoff and landing aircraft are becoming increasingly important for the future of military aviation and strategic superiority. As one of the pioneers of vertical lift aircraft technology, ...

With the rotor stopped, the blades are stowed in the sled test at Holloman. Credit: Bell Bell has completed sled tests of the stop/fold rotor concept for a high-speed vertical-takeoff-and-landing ...

Bell has been selected as one of two companies for Phase 1B of DARPA's Speed and Runway Independent Technologies (SPRINT) X-Plane program to create a prototype High-Speed Vertical Takeoff and Landing ...

The Pentagon’s Defense Advanced Research Projects Agency (DARPA) selected Bell Textron to proceed with Phase 2 of its Speed and Runway Independent Technologies X-plane project, which involves a ...

Proprotor blades stop and fold back and propulsion transitions from turboshaft to turbofan to accelerate the X-76 to speeds of about 400 kt. Credit: Bell The stop-fold tiltrotor uncrewed aircraft ...

Bell showcased High-Speed Vertical Takeoff and Landing (HSVTOL) technology capabilities upon completion of testing efforts at Holloman Air Force Base. The team has utilized the Holloman’s High Speed ...

Bell is one step closer to introducing its military high-speed vertical take-off and landing (HSVTOL) aircraft. The company has recently announced that it has been selected for the next phase of the U ...

Bell Helicopters' SPRINT design. Although SPRINT is designed to lift a 5,000 lb payload, the design could be scaled up to carry heavier cargo or personnel. (Bell Helicopters) The US Defense Advanced ...

DARPA has assigned the designation X-76 to the Speed and Runway Independent Technologies (SPRINT) project, a Bell proof-of-concept technology demonstrator for a high-speed tiltrotor. The DARPA ...

Bell’s concept for an advanced tiltrotor-jet hybrid aircraft will move into the build stage of the US Defense Advanced Research Project Agency’s Speed and Runway Independent Technologies X-plane ...