Phase II was to fabricate two full-sized vehicles (designated the XV-24A) for flight testing by September 2018. In February 2013, Aurora Flight Sciences and its partners Honeywell and Rolls-Royce were awarded a cost-plus fixed-fee contract worth $89.4M over competitors Boeing, Karem Aircraft and Sikorsky.Ī 20% scale, 147 kg, demonstrator was flown on March 29, 2016. The DARPA VTOL X-Plane project’s goals were to achieve a top speed of at least 300 kt (555 km/h), increase hover efficiency to at least 75 percent, achieve a lift-to-drag ratio of at least 10, and ensure the solution could carry a useful load of at least 40% of the projected gross weight. Along with carbon composites many components were manufactured by a 3-D printer. The final vehicle was to weigh between 4,500-5,400 kg with a cruising speed of 555 km/h (80 km/h above the Osprey). The wings had 18 100 kW motors while the canard used 6 70 kW motors. The LightningStrike had tilting rear wings and forward canards that employed one Rolls-Royce AE1107C turboshaft 4,023 hp engine (used on the V-22 Osprey) to generate electric power via three Honeywell generators for 24 distributed ducted fans. The Aurora LightningStrike XV-24 was a DARPA (Defense Advanced Research Projects Agency) project to demonstrate high speed and Vertical Take-Off and Landing (VTOL) capabilities in a drone.
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