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Future Vertical Lift: SB>1 Defiant Flight Delayed Until Early 2019

Sikorsky-Boeing graphic

While Bell’s rival V-280 uses tiltrotor technology, proven in widespread service on the V-22 Osprey since 2007, the Defiant uses Sikorsky’s revolutionary compound helicopter technology, which promises superior agility — but which has only actually flown in two experimental aircraft, the X2 and S-97 Raider, both of which are much smaller than Defiant.

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Read more here:: 1 Defiant Flight Delayed Until Early 2019″ rel=nofollow>Breaking Defense (Air)

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