Why the SB-1 Defiant lost the Army helicopter contract
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MSNFound,Explained Official
Why the SB-1 Defiant lost the Army helicopter contract
The Sikorsky Boeing SB-1 Defiant combined coaxial rotors and a pusher propeller to achieve high speed and stability. Despite strong performance, range limitations, engine readiness issues, and competition from tiltrotor designs caused the Army to select a different aircraft, leaving the SB-1 without a production future.
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New video of the SB>1 Defiant from Lockheed Martin and Boeing! The aircraft recently surpassed 100 knots as it continues to expand its envelope during flight testing. More details: http://bit.ly/SB1Defiant100 | Vertical Plus
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The march of progress continues as the SB>1 DEFIANT takes advantage of some sunny FL weather, exceeding 100 Knots in the process! Learn More: https://lmt.co/38fp2Th | Sikorsky
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The Sikorsky-Boeing #SB1Defiant continues to demonstrate speed where it matters most. And as our Chief Test Pilot, Bill Fell said: “This thing’s got a lot more in it!” 🚁 💨 Learn More: https://lmt.co/32bd4IS | Sikorsky
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