High-lift, VTOL demonstrator aircraft for (DARPA) SPeed and Runway INdependent Technologies (SPRINT) X-Plane Demonstration Project, aiming to have a cruise speed of 400-450 KTAS and requires an ability to hover. In development.
| Variant |
Launch/First flight |
Production end |
|
| Bell HSVTOL |
2021 / |
|
High-Speed Vertical Take-Off and Landing (HSVTOL) inital core concept of first of its kind vertical lift aircraft family. Blends the hover capability of a helicopter with the speed (400+ kts), range, and survivability of jet aircraft. Capable of high-speed transition maneuvers. |
| Aurora Flight Sciences SPRINT X-Plane |
2023 / |
2025 |
Scalable blended-wing-body concept for DARPA SPRINT project, with fan-in-wing vertical lift, based on Boeing X-48 and the Aurora Excalibur UAS. Not chosen. |
| Bell Textron SPRINT X-Plane |
2024 / |
|
Dual tilt-rotor concept design with Stop/Fold transition rotor system, main airframe evocative of Bell Boeing V-22 and engine collaboration with GE Aerospace. Development of HSVTOL technology. |
