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DARPA je u saradnji sa USSOCOM objavila razvoj eksperimentalne letelice pod oznakom X-76 koja bi omogucila poletanje i sletanje kao i dosadasnji helikopteri a tokom leta koristila mlazne motore postizuci brzine preko 400 cvorova( 750 km/h). Cilj je omoguciti performanse za koje je trenutno potrebno koristiti avione a avioni zahtevaju piste.
Citat:The Mission: Breaking Aviation's Oldest Trade-Off
SPRINT began its second phase (Phase 2) in May 2025 following the downselect to Bell. With the successful completion of the CDR, the program will shift focus to manufacturing, integration, assembly, and ground testing of the X-76 demonstrator. The demonstrator will mature technologies necessary for a transformational combination of the following capabilities:
-Achieve cruise at speeds exceeding 400 knots
-Hover in austere environments
-Operate from unprepared surfaces
"For too long, the runway has been both an enabler and a tether, granting speed but creating a critical vulnerability," said Cmdr. Ian Higgins, U.S. Navy, serving as the DARPA SPRINT program manager. "With SPRINT, we're not just building an X-plane; we're building options. We're working to deliver the option of surprise, the option of rapid reinforcement, and the option of life-saving speed, anywhere on the globe, without needing any runway."
Phase 2 will be followed by a flight test program in Phase 3, which is planned for early 2028.
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