After the rotor stopped, the hub reconfigured to enable the blades to fold back.
Credit: Bell
More accustomed to testing ejection seats and penetrating warheads, the storied High-Speed Test Track at Holloman AFB, New Mexico, has lately been used to demonstrate a stop-fold tiltrotor concept Bell is developing in pursuit of a contract to build a fast vertical-takeoff-and-landing X-plane. The...
Bell Demos Stop-Fold Tiltrotor Concept For DARPA High-Speed VTOL is available to both Aviation Week & Space Technology and AWIN subscribers.
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