Bell’s V-280 Tiltrotor Hits Test Milestones Bell’s V-280 Valor advanced tiltrotor has reach 250-kt. airspeed as it continues to make progress under the U.S. Army’s Joint Multi-Role Technology Demonstration, precursor to the Future Long-Rage Assault Aircraft program. The V-280 achieved 250 kt., en route to a target of at least 280 kt., at 80% proprotor speed, the most efficient rpm for cruise, says Bell. The aircraft has now logged almost 70 flight hours and 155 hr. of ...

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