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Why the SB-1 never had a real chance to replace the Black Hawk
The SB-1 Defiant was a highly advanced helicopter built around coaxial rotors, a rear pusher propeller, and a fast stable ...
The Sikorsky-Boeing SB>1 Defiant coaxial helicopter on 12 October reached 211 kt in straight and level flight and 232 kt in a descent with about two-thirds propeller torque and engine power, the ...
China appears to be embarking upon an ambitious, long-term plan to keep pace with U.S. advances in helicopter technology by emphasizing speed; stealth; and innovative, next-generation designs. The ...
The Sikorsky/Boeing SB-1 Defiant is back flying after a delay caused by “joint creep” identified in the propulsion system testbed gearbox. The Defiant team decided to fix the issue instead of ...
Sikorsky and Boeing have rolled out the SB-1 Defiant high-speed helicopter, built for the U.S. Army’s Joint Multi Role technology demonstration. The helicopter is expected to fly in early 2019 at ...
Sikorsky and Boeing have submitted their Defiant X proposal for the US Army Future Long-Range Assault Aircraft (FLRAA) requirement, the joint team announced on 7 September. An Artist's impression of ...
Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...
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